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Value of Fluid Fertilizers
Two-day forum shows many advantages of using fluids to increase crop yields.
FFF
Fluid Nitrogen-Sulfur Formulations In Cotton
Used to mitigate sulfur deficiencies and maximize cotton yields.
Dr. H. Frame
Efficient Management of Water, Nutrient Resources
Assessing potential for drip irrigation and fertigation
Dr. F. E. Below, Dr. T. Beyrer, J. Seebauer and Dr. R. Bender
Enhancing Continuous Corn Yields
Via ATS placement methods
Drs. D. Kaiser and J. Vetsch
Potassium Fertigation and Organic Acids
Improving soil and plant nutrition in highbush blueberry
Dr. David Bryla, Scott Orr, David Leon
Can Humic Substances Alter
Fertilize Reaction Pathways in Acid Soils?
J. Weeks and Dr. G. M. Hettiarachchi
Mitigating Sulfur Deficiencies and Maximizing Cotton Yields
Through fluid nitrogen-sulfur fertilizer formulations.
Dr. W. H. Frame
Micronutrient Uptake Sources, Compatibility
Serious questions need answering regarding feeding the world.
Dr. J. Smith
Weather and Climate
Risks and Effects on Agriculture
Dr. E. Snodgrass
Can We Control Weather?
Mother nature is the decider, like it or not.
Dr. D. Avery
Low Salt Fluid NPK Fertilizer
Drs. G. Mooso, T. Tindall and J. Stark
Increases wheat production in Idaho.
Genetic Gain Via Nitrogen Interaction in Soybeans
O. Ortez, F. Salvagiotti, J. Enrico and I. Ciampitti
Yield increases recorded in studies at U.S. and Argentina Sites.
Sidedressing Potassium and Nitrogen on Corn
Dr. R. D. Miller
Evaluations made on yield effects.
Soil Fertility, Irrigation Keys to Potato Production
Drs. T. A. Tindall and G. Mooso
Absolute essentials in producing high yields and quality tubers.
Micronutrients Key to Better Yields
L. Cooper and Dr. R. Abi-Ghanem
Sometimes the smallest things can unlock our greatest potential.
Potassium Fertigation In Highbush Blueberry
Drs. D. Bryla and S. Orr
Increases availability of K and other nutrients in the root zone.
Potassium on Rice
D. Dunn and Dr. G. Stevens
And its effects on yield, grain quality, lodging, and stalk strength
Impact of Nitrogen Timing On Corn Production
Dr. J.E. Sawyer, Dr. D.W. Barker, Mr. J.P. Lundvall
Report summarizing studies conducted in the past twelve years on the effect of N application timing on corn production.
26th Fluid Forum Recap
FFF
Broad range covered on how fluid fertilizers work to maximize crop yields
Blending MAP, APP Reduces Fluid Fertilizer Input Costs
J.J. Weeks Jr. and Dr. G.M. Hettiarachchi
While mitigating environmental impact in high pH soils.
Efficient Management of Water and Nutrients
F. Below, T. Beyrer, A. Mastrodomenico and J. Seebauer
In drip irrigation and fertigation.
Importance of Liming in Dry Land Palouse Cropping Systems
Gudrun Mahrt
Fluid lime (NuCal) shows benefits in Palouse studies.
25th Fluid Forum Provides Broad Range of Research
Two-day forum impressive in showing the many advantages of using fluid fertilizer to improve crop yields.
Genetics Important in Nutrient Removal
Drs. R. Helms, J. Grove, and Dr. L. Murphy
Modern high-yielding crops remove more nutrients per unit of yield.
Improving Cotton Production Efficiency
Dr. W. H. Frame
With differing nutrient placement.
Nitrogen Management For Soybeans a Must
Dr. A. L. Shober and R. Taylor
Economics and environment are two essentials.
Improving Cotton Production Efficiency
Dr. W.H. Frame
With differing nutrient placement
Genetics Important in Nutrient Removal
Drs. R. Helms, J. Grove, and L. Murphy
Modern high-yielding crops remove more nutrients per unit of yield.
Meeting Global Needs Via Genetics x Environment x Management
Drs. Jerry L. Harfield and Charles L. Walthall
Meeting future food needs will carry some specific challenges.
Implementing High-Yield Irrigated Corn
Russell French, Robert Bowling, Alyssa Abbott, and Mike Stewart
Requires research and adapting for profitable production.
UAN, AN Effective For Sugarcane in Brazil
Drs. Eros Francisco, Fabio Dias, Raffaella Rossetto, Yebin Zhao, and Luis Prochnow
Field studies show them more effective than urea.
Low Salt Fluids and Irrigated Potatoes
Drs. Terry Tindall and Galen Mooso
Maintaining adequate P availability is imperative.
Variable Rate Starter Fertilization
Jeffrey Vetsch and Dr. Daniel Kaiser
Does it affect corn yield and should it be based on soil attributes?
Subsurface Fertigation In Highly Productive Soils
Drs. Ross R. Bender and Fred E. Below
Increases nutrient use and grain yield of corn and soybeans
What About Fluid P Fertilizers In Moderately Calcareous Soils?
By Joy Pierzynski and Dr. Ganga Hettiarachchi
Do they excel?
Fluid Fertilizers As Soil and Water Amendments
Carl Bruice
Specialty fluid fertilizers are currently available.
4R Research: Science for Stewardship
Dr. Paul Fixen
Providing a common table in search of practical solutions.
No-till Corn Responds to Fluid Starters
Drs. Ricardo Melgar, Enrique Figueroa, Gabriel Kuriger and Diego Saba
Response is significant in five of six experiments in Argentina
Nitrogen Management For Soybeans a Must
Dr. A. L. Shober and R. Taylor
Economics and environment are two essentials
Benefits of the FFF
Dr. Julian Smith
A history is in order.
Nutrient Concentrations and Balance Important
Dr. James Schepers
Make sure ear-leaf N concentrations are adequate in corn leaf
tissues.
Right Fertility Components Critical in High-Yield Corn
Russell French, Robert Bowling, Alyssa Abbott, and Mike Stewart
Study includes fertilizers used and application methods.
Yields Improve in Irrigated Alfalfa Using NPK Fluids
Drs. Terry A. Tindall and Galen Mooso
Improvements in yields were impressive.
Micronutrients Promote Nutrient Use, Pest, and Disease Control
Dr. Julian Smith and Vatren Jurin
Phenotypic expression of modern genetic traits another plus.
Controlling Variables One Key To Closing Yield Gaps
Dr. Ignacio Antonio Ciampitti and Bailey McHenry
Reducing variability induced by weather and soil type cited.
Managing In-Field Spatial Variability
Drs. L. Longchamps and R. Khosla
Variable-rate seeding appears to be the logical way.
The FFF Archives In Your Pocket
Ken Cooper
The Fluid Fertilizer Foundation’s new search App delivers.
Nitrogen, Irrigation Timing Key To Higher Corn Yields
A.R. Asebedo, E.A. Adee and D.B. Mengel
Performance of remote sensors is essential in achieving high yields.
What About Late Season Application of Foliar N?
Drs. Brian Arnall, Brad Seaborn, Jeremiah Mullock, and Mr.
Brandon Burgess
Post flag leaf has been too variable to draw conclusions.
Calcium Offers Most Crop Per Drop
Dr. Bill Easterwood
Of key importance in promoting water-use efficiency
Fluid Forum Offers Broad Agenda
Insights provided on a wide range of research showing the
advantages of fluid fertilizers in improving yields.
Management of P Nutrition in Andisols, Oxisols Challenging
Drs. Daniela Montalvo, Fien Degryse, and Mike J McLaughlin
While fluids did not excel over granular here in plant growth, they did in calcareous soils.
Potassium Partitioning in Cotton
Taylor Coomer, Derrick Oosterhuis, and Leo Espinoza
Reducing variability induced by weather and soil type cited.
Using Fluid Fertilizer in Drip Irrigation
Drs. Terry A. Tindall and Galen Mooso
Timing of fertigation depends on crop.
A Look at Placing P and K at Multiple Depths
Dr. William Hunter Frame and Austin Brown
Data indicate 2×2 placement increased early growth in cotton.
Applying Liquid Nitrogen In Spring Wheat
Dr. Olga S. Walsh, Robin J. Christiaens, and Arjun Pandey
Results show highNRG-N has an advantage in terms of protein yield and NUE.
Physically Evaluating Wheat Straw Decomposition Via Different Fertilizer Treatments
Yuxin He, Drs. DeAnn Presley and John Tatarko
Study samples indicate longer fertilizer application periods can decompose more crop residue.
A Look At Potassium Deficiency in Cotton
Tyson Raper, Derrick Oosterhuis, Leo Espinoza and Taylor Coomer
Canopy reflective indices used to examine plant available K.
Managing Water And Nutrient Efficiencies
David Lankford and Frank Lichtner, Ph.D.
Using effective data collection and sound analysis techniques is critical.
Cotton Under Water-Limiting Conditions
Dr. Dan Krieg
Being profitable under water-limiting conditions in Texas is a challenge.
Water In The Great Plains
Dr. Raun Lohry and Dennis Zabel
There are no easy answers to protecting our surface and underground water resources.
Managing Drought, Salinity, and Crop Nutrition
By Carl Bruice
In California, there are no miracle cures. Leaching is only remedy when using saline irrigation water.
Low Salt NPK Fluids Improve Alfalfa Yields
Drs. Terry Tindall and Galen Mooso
Yields were impressive, with over a 3-ton (65% moisture ) improvement over GSP averages.
What About P Fluids In Strongly P-sorbing Soils?
Ms. Daniela Montalvo, Dr. Fien Degryse, and Dr. Mike J. McLaughlin
Tests are showing that P nutrition is still a challenge in acidic high P-fixing soils.
Why Fluids?
Dale Leikam
The benefits have everything to do with improved crop yields, crop quality, environmental stewardship, and profitability — that’s why.
23rd Annual Fluid Forum Gathers At New Location
N/A
Capacity crowd assembles at Talking Stick Resort to hear leading researchers.
N Use Efficiency Improved On Dryland Corn
Dr. Pawel Wiatrak
Clemson algorithm successfully used in Southeastern Coastal Plains.
Can Soil Chemical Changes Influence Plant Growth?
Ms. Joy Pierzynski, Dr. Ganga Hettiarachchi, & Mr. Raju Khatiwada
What about mobility and lability of various P fertilizers on high P-fi xing soils?
Increasing Corn Yields Via Stover Removal Using Fluids
Drs. Laura F. Gentry and Fred E. Below
Study shows that using proven technologies increased yields.
Increasing Yields Using Urea With Urease Inhibitors
Drs. Derrick Oosterhuis and Eduardo Kawakami
Improves efficiency of foliar fertilization in field and growth room tests.
Increasing Efficiency of Sub-Surface Drip UAN Application
Drs. Galen Mooso and Terry Tindall
NutriSphere-N showing promise in studies on the production of processing tomatoes.
Enhancing Continuous Corn Production
J. Vetsch, and Drs. D. Kaiser, and G. Randall
Fluid starter combinations used under high-residue conditions.
4Rs On Fertile Ground
Lara Moody
A new way of stewardship for improving management of plant nutrition.
Can We Control Weather?
Dr. Dennis Avery
Mother nature is the decider, like it or not.
Nitrogen Source Effects on Soil Nitrous Oxide Emissions
Drs. Ardell Halvorson, Stephen Del Grosso, and Claudia Jantalia
N selection can be a mitigation practice for reducing N2O emissions in irrigated corn.
High-yield Maize and Small Global Warming Intensity
Patricio Grassini and Kenneth G. Cassman
Maximizing productivity per unit of arable land while reducing negative environmental impact is goal.
Optimizing Cotton Productivity and Nitrogen Use Efficiency
Dr. Frank Yin
Current fluid nitrogen recommendations should possibly be modified.
Fluid Fertilizers Improve Fertilizer Use Efficiency
Dr. Terry Tindall
Product shines in drip irrigation, banded starter, and in-season research studies.
Chemigation Uniformity Critical Through Microirrigation System
Dr. Larry Schwankl
If done properly, injected chemical application will be as uniform as the water application.
Proximal Sensing Provides Precision N Management
Drs. Longchamps, R. Khosla, and D. G. Westfall
Studies indicate fluorescence sensing provides good indication of corn nitrogen deficiency.
Industry At Work
FFF member and U of Idaho team up in conducting research on various crops
Academic/Industry Combo Improving Crop Practices.
Specific Gravity and pH Variability Affect UAN Blending
Michael Orr and Dr. Dale Leikam
Prudence needed to produce viable end product.
Challenge Ahead: Water Scarcity
By Dr. Bill Easterwood
The years ahead will indeed be challenging if the world population increases at its current rate.
Looking At Improving Corn /Soybean Yields With Fluids
Drs. Nathan D. Mueller and Dorivar A. Ruiz Diaz
2012 results were evaluated using combinations of fluid starters and foliar fertilizers.
Part 2: Zinc Fertilizer Strategy For Improving Yield
Dr. Ismail Cakmak
Zinc deficiency represents a common micronutrient deficiency problem in human populations.
Starter/Foliar Fertilizers Improve Corn/Soybean Yields
Drs. Dorivar Ruiz Diaz and Nathan Mueller
Experiments conducted in four Kansas locations in 2010 and 2011.
Value of Fluid Fertilizer in Bio-energy Production
Drs. John Kovar and Douglas Karlen
In controlled-environment tests, overall agronomic efficiency of P fluid fertilizers was improved by biochar applications.
Why UAN Solution?
Dr. Dale F. Leikam
Adaptability and Flexibility!
Chronology of a Dream
Dr. Raun Lohry
How one man worked to put the fluid concept on the world market.
Careful When Blending Fluid Fertilizers
Drs. Tom Fairweather and Dale Leikam
Compatibility can be a problem for many blends.
FFF Celebration Draws Capacity Crowd
30th anniversary of research arm of fluid fertilizer industry celebrated.
Can Protein Levels Be Economically Increased?
Dr. D. Brian Arnall, Mr. Jeremiah Mullock, and Dr. Brad Seabourn
Initial trials evaluated on winter wheat at two stages.
Celebrating 30 Years: Fluid Fertilizers Go Back a Long way
But it took innovation and drive to convince doubters of its advantages over granular.
Don’t Overlook Sulfur in Crop Management
Drs. Cynthia Grant and John Kovar
It is a critical nutrient for crops as part of an overall management system.
Continuous Corn Yields Enhanced via NPS Combinations
Jeff Vetsch
Starter fluid combinations in conservation-till boost early plant growth and yields.
FFF Member Explores Ways To Improve Potato Yields
Industry at work
Setting is the challenging high mountains of Peru and overcoming ingrained traditional practices.
Understanding Influence of P Placement Under Field Conditions
Drs. G. Hettiarachchi, D. Mengel and Mr. Khatiwada
P management in reduced-till has been a concern for farmers
Looking Back: How it all Began
In August of 1981, formed was the embryo of an idea that ultimately would put a dealer organization into supporting field research.
Fluids Compared to Granular in Sod Field Tests
Dr. Elizabeth Guertal
Fluid N sources shown to offer alternative source for sod growers.
Establishing Realistic Nutrient Removal Values for Major Crops
Dr. John Jifon
Study includes major vegetable and fruit crops grown on calcareous soils in Texas.
Moving Toward A Global Approach To Nitrogen Management In Maize
Drs. Daniel Walters, Tri Setiyono, Haishun Yang,
Kenneth Cassman, and Achim Dobermann
Maize-N model computer simulation program recommends nitrogen rates for maize crops.
Needed: A Research-driven Understanding of Every Aspect of Producing Grain
Dr. Timothy Maloney
A long-winded, kitchen sink approach to enhance grain yields and profits.
Science Is On The Side of Inorganic vs. Organic Fertilizers
Dr. Terry Tindall
Striking examples of desperately needed yield increases in Africa and Asia offer solid proof, not pipedreams.
Part I, Zinc: A Key Nutrient in Crop Production
Dr. Ismail Cakmak
Zinc deficiency represents a common micronutrient defi ciency problem in human populations.
Do Fertilizer Additives Help In Increasing Root Mass and Yields?
Dr. R. W. Heiniger
Studies are mixed indicating more work needs to be done in this area.
More Research Needed On Remote Sensing For Nitrogen Management
Drs. T. Shaver, R. Khosla, and D. Westfall
Current algorithm development methodology has proven sound and should be researched further for accuracy.
Answering the Question: Does Fertilizer Applied Give Yield Increase?
Dr. Tom Jensen
Omission plot design employed to show farmer whether or not there is a yield increase response.
Achieving 300 Bu/A Corn Sustainability
Drs. Laura F. Gentry and Fred E. Below
Involves agricultural intensifi cation that pursues higher yields, biofuel production potential, and preservation of our soil and water resources.
FFF Review: Tracking a Rich Legacy Using Fluid Technology for Next Generation of High Crop Yields
Dean Fairchild
The innovation that brought us fl uid fertilizers was given birth in the early ‘50s.
A Look At Increasing Late N Availability In Soybeans
Dr. Ricardo Melgar
Better synchronization with N demand sought via better timing of N availability to crop.
Determination of Urea in Fluid Fertilizers Containing Water-Soluble Urea-Formaldehyde Reaction Products
Dr. Michael Hojjatie, Dean Abrams
A liquid chromatographic method has proved successful for over a decade in determining amount of urea in a class of fluid fertilizers.
Greater Phosphorus Efficiency Results From Improved Mobility and Prolonged Availability
Tom Gerecke, Dr. Husein Ajwa, Dr. Charles Krauter, and Jerome Pier
Two California studies demonstrate the complexation of phosphorus (P) with organic acids results in prolonged availability, plus more movement away from point of application.
A Look at the Economic Benefits of Enhanced Efficiency Nitrogen Fertilizers
Drs. C. Grant, A. Moulin, and N. Tremblay
In addition to highest possible crop return per dollar, study also considered evaluation of environmental benefits.
The Concept of Fluid FertilizersMay Well Date Back to 1808
An Englishman by the name of Humphry Davy successfully used dilute ammonium acetate in a field of wheat.
Are Farmers Reaching Yield Potential In Corn?
Dr. D. Walters, K. Cassman, A. Dobermann, J. Specht, H. Yang, A. Wingeyer
Research is demonstrating otherwise, showing a large gap remains between average corn yields currently achieved by farmers and the yield potential ceiling.
A Further Look into Fertilizer Recommendation Adequacy Regarding Phosphorus and Potassium
Drs. Dale Leikam, Gyles Randall, and Antonio Mallarino
Farmer-specific goals should be incorporated into the decision-making process.
Are Current Fertilizer Recommendations Adequate?
Dr. Gyles Randall
Corn being a primary responder, yield goals in the next 20 years are targeted at 250 to 300 bu/A by some in the seed industry.
Whats New in Ag Chemical and Crop Nutrient Interactions
Dr. Don Huber
The shift to less tillage, herbicide resistant crops, and extensive glyophosate application has significantly changed nutrient availability and plant efficiency for a number of plant nutrients.
Diffusion of Fluid and Granular Phosphorus and Zinc Inhibited in Dry Soil
Dr. Therese McBeath, Prof. Mike McLaughlin, Dr. Jason Kirby, Prof. David Chittleborough, and Dr. Roger Armstrong
Studies conducted in six soils from the cereal growing regions of Southern Australia and Kansas.
Optimizing Nutrient Management for Sustainable Bio-energy Feedstock Production
Drs. John Kovar and Douglas Karlen
Studies conducted using NPKS fluid fertilizers to enhance corn grain and biomass productivity.
Doubling Global Food Production: Are We Up to It?
Dr. Harold Reetz
Needed: Some New Champions for High-Yield Production to Help Raise the Bar for the Next Decade.
Starters Show The Way in Minnesota Studies
Drs. Gyles Randall and Jeff Vetsch
Yields 10 to 15 bu/A higher than in no-starter control plots.
N Management, Plus Optical Sensors, Helps to Refine N Rates
Drs. G. Lafond, C. Holzapfel, and W. May
Matches crop with soil and crop conditions to enhance yields.
Starter Placement and Rate Effects Studied on Winter Wheat Production
Drs. Wade Thomason, Mark Alley, and Bob Pitman
Returns mixed at two Virginia sites in 2007 and 2008 studies.
Starter Fertilizers Show Significant Corn Yield Increases Compared to No-Starter Checks
Dr. R. W. Heiniger
No consistent yield advantage was noted using additives, spanning the ten site-years of our ’07-’08 studies.
What is the right Nutrient Mix in Tough Economic Times?
Dr. Randy Brown
More and more, farmers are looking for help in determining correct nutrient management strategy.
Fluid Fertilizer Industry Showing Significant Gains in Argentina
Dr. Ricardo Melgar
UAN and N-S solutions widely adopted by top corn and wheat growers.
Copper Diffusion Superior with Fluids in Acidic and Alkaline Soils
Drs. G. Hettiarachchi, M. J. McLaughlin, K. Scheckel, D. Chittleborough, M. Newville
Preliminary data suggest difference in diffusion between fluid and dry may not be as great for molybdenum.
A Look at Effects of In-Furrow Applications of Potassium on Corn
Dr. Antonio Mallarino, Mr. Nicolas Bergmann, and Dr. Daniel Kaiser
Iowa on-farm fluid trials show mixed results regarding nutrient uptake, early growth, and actual grain yield after applying starter K.
Take UAN Corrosion Seriously
Phil Bureman and Dr. Craig Myers
If a tank leaks, you may be liable for water contamination in ground and surface water.
Fluid Fertilizers: 50 Years Ago In Britain
Derek A. Palgrave
How tenacious inventiveness brought fluids to British agriculture over a period of three decades.
Fluids Uniquely Suited For Forage Grasses
Dr. D. Leikam
Superiority of fluids demonstrated in Texas, Kansas, and Georgia studies.
Fluids Compared With Dry In Dryland Winter Wheat Trials
Dr. Richard Koenig and Mr. Aaron Esser
Results indicate a good potential for dryland wheat to respond to fluid P in the low-rainfall crop-fallow areas of eastern Washington.
Are Critical Values For Nutrient Management In Almond And Pistachio Orchards Invalid?
Dr. Patrick Brown
Or has there been a systematic misuse of sampling methodology and an industry- (and university-) wide misinterpretation of results?
GPS-Enabled Systems Monitor Spatial Variability And Yield Potential
Matt Wiebers, Dr. Matias Ruffo, and Dean Fairchild
Application rate controllers, used in conjunction with a yield monitor, are an effective way to generate local on-farm results.
GPS-guided Systems Open New Management Options For Corn Producers
Dr. Tony J. Vyn and Terry West
Benefits include timeliness of field operations, less operator fatigue, reduction in input expenses (e.g., less overlap in seed and fertilizer applications), and the opportunity to achieve optimum positions of corn rows relative to nutrient bands.
Timely Foliar Applications Rectify Nutrient Deficiencies
Dr. Derrick Oosterhuis
Applications should be made either early morning or late afternoon for maximum efficiency.
Polymer Additives Improve Starter Fertilizer Efficiency
INDUSTRY AT WORK
Help circumvent tightening supplies and continuing hikes in fertilizer prices.
Cantaloupe, Honeydew Fruit Respond Differently To Chelated Calcium
Drs. Gene E. Lester and Michael A. Grunsak
Two-year study assesses benefits of pre-harvest plant applications during fruit growth and maturation.
Study Shows Merits Of In-crop N Applications
Dr. G. P. Lafond, C. B. Holzapfel, and W.E. May
Supports the merits of in-crop N applications for all crops measured.
Starter Fertilizers Optimize Corn/Wheat Responses To N and P
Drs. Mark Alley and Wade Thomason
Starter Fertilizers Optimize Corn/Wheat Responses To N and P
Is Zinc Fertilizer Water Solubility Important For Long-term Zinc Efficiency?
David Seymore and Dr. Dale Leikam
Knowing total zinc content of a fertilizer is not enough on which to evaluate the value of a specific fertilizer.
Complexities Involved In Better Estimating Corn Grain Yields
Mr. T. Shaver, and Drs. R. Khosla, and D. Westfall
Studies build on attempts to achieve more accurate methods, using normalized difference vegetation indices (NDVI) and crop/soil variables.
Novel Chelating Agents Increase Micronutrient Solubility
Drs. Mike McLaughlin and Sam Stacey
Potential is there not only to increase solubility of micronutrients in fluid fertilizers but also retain them in forms that are readily available to plant roots.
What About Mn On Glyphosate-resistant Soybeans And Conventional Soybeans?
Dr. Barney Gordon
Studies run to develop liquid fertilization strategies to prevent or correct possible yield deficiencies.
Let’s Be Careful When Defining Salt Index
Dr. John G. Clapp
Original data and definition of salt-index predate many current fertilizers.
Zinc in Fluids
BASICS SHORT COURSE
Fluid fertilizers are an ideal means of providing needed zinc (Zn) for crops.
Managing To Reduce Greenhouse Gas Emissions
Drs. D. Walters, K. Cassman, A. Dobermann, M. Adviento-Borbe, A. Liska, J. Specht and H. Yang
Managing at high yield levels creates large sinks for carbon and mineral N, providing prerequisite for reducing global warming potential.
Fluids Key To Nutrient Efficiencies In Irrigation Management
Dr. Thomas A. Ruehr
Lend themselves to application through micro-sprinkler and drip irrigation systems.
A Closer Look At P And Water Management On Productivity Of Apple And Sweet Cherry
Drs. G. H. Neilsen, F. Kappel, P. Toivonen, and D. Neilsen
Five-year study shows benefi ts of P fertigation on apple; research on sweet cherry in early stages.
NPK Inputs At Optimum Growth Stage Critical For Maximizing Yields In Irrigated Chilies
Dr. J. C. Silvertooth, R. Soto-Ortiz, Dr. A. Galadima
Two-year fi eld studies conducted in Arizona and New Mexico to collect data for future management and scheduling.
Band Placement Critical To Potato Yield
Dr. Bryan G. Hopkins and Stewart C. Stephens
Field trials in southeastern Idaho calcareous soils show significant increases in tuber yield for deep-placed treatments.
Foliar K Makes Difference On Muskmelon Fruit Quality
Drs. J. L. Jifon and G. E. Lester
Even though soil K concentrations were high, supplemental foliar K treatments improved fruit quality in Texas studies.
Phosphorus Applications Benefit Cotton Yields
Dr. D. R. Krieg, D. P. Allen and J. S. Reiter
Magnitude of benefit dependent on water supply being the primary driver of yield increases.
Limiting N Loss In No-till Corn And Grain Sorghum Production
Dr. Barney Gordon
Slow-release polymer-coated urea product are beginning to become available for agricultural use.
Efficiency: Key To Boosting Bottom Line!
FFF Review
If there was ever a time to pay attention to efficient means of nutrient application, it is now.
In Search Of The Right Starter Combinations To Optimize Corn Yields
Dr. Ron Heiniger
North Carolina studies look at best blend of nutrients, best rate, and the impact of additives.
Environmental Implications Of Biomass Removal
Dr. J.L. Hatfield
Removal of corn residue would lead to decreases in vitally needed soil organic matter and increases in soil erosion.
Still Important: Starters On High P Soils
Ron Mulford
Maryland studies show P improves corn yields even when soil P levels are high.
Maximizing Forage/Beef Yields In Wheat/Stocker Production Systems
Dr. John Sij , Phyllis Dyer, and Mark Belew
Studies in Texas plains examine optimal N fertility levels in both no-till and conventional-till production systems.
NPKS Starters Improve Profitability On High-Testing Soils
Dr. Gyles Randall and Jeff Vetsch
Studies conducted at Southern Research and Outreach Center in Waseca, Minnesota.
A Look At The Rise Of Fluid Fertilizers In Australia
Matt Evans
R&D is paving the way by introducing and attracting more and more producers to the benefits of fluids over granular.
What’s Right Amount of N? Using Sensors May Provide Better Answer
Dr. Newell R. Kitchen
For variable-rate applications, in-fi eld on-the-go sensors may be just the ticket for applying the correct amount of N.
Automatic Guidance Systems Add Efficiency To Fertilizer Management
Dr. Tony J. Vyn and Terry D. West
Most precise GPS guidance available is the RTK system.
Split N and P Fertigation Beneficial For Pear Production
Drs. Xinhua Yin, Clark Seavert, and Jinhe Bai
Banding N and P also increases fruit yield and size in Oregon studies.
Good Risk Management Requires Planning
Dr. Willis E. Anthony
We usually and wisely look into the future by exploring the past.
Stopping N Losses More Urgent Than Ever With Current Nitrogen Prices
INDUSTRY AT WORK
More and more growers are looking to urease inhibitors to curb N losses.
What About Glyphosate-Induced Manganese Deficiency?
Dr. Don M. Huber
Take heart. There are strategies to get around the far-reaching non-target effects that this most extensively used herbicide in the history of agriculture can have on susceptible plants.
Fluid Fertilizer Technology Proving Adaptable To Rice Cultural Practices
Drs. Timothy Walker, Steven Martin, Jason Bond, Nathan Buehring
Mississippi studies show yields greatest when fluids are band applied.
Fluids Excel In Supplying Mn And Zn In Calcareous Soils
Drs. G. Hettiarachchi, M. McLaugh lin, K. Schecke l, D. Chitt leborough , M. Newville, E. Lombi
Australian microscopic and spectroscopic studies show superiority of fluids over granular.
Slow-release Fluid N Bumps Potato Yields Versus Other N Sources
INDUSTRY AT WORK
Trials at Cornell Cooperative Extension and University of Wisconsin compare fluid N with ammonium nitrate, urea, and ammonium sulfate.
As Biofuels Enter The Food Chain What Is Next For Agriculture?
Dr. Paul E. Fixen
Across-the-table effect will likely be felt on both fertilizer product use and on the knowledge-based services associated with using those products effectively.
Timing of N and P Crucial In Achieving High Corn Yields
Dr. M. Alley, M. Martz, and Dr. W. Thomason
Inadequate N availability during first six weeks after planting can result in reduced yield potentials.
How To Enhance Soil Organic Carbon Sequestration
Dr. Ardell Halvorson and Curtis Reule
Texas studies show optimizing crop yields and reducing soil erosion via proper management practices are paying dividends not only environmentally but in crop yields as well.
Fluids Prosper In German Agriculture
Dr. Martin Kuecke
Impressive experimental results are reported for potatoes, vegetables, cereals, and maize.
Study Suggests No Consistent Yield Benefit To Split N Fertilization
Drs. Ramona Mohr and Dale Tomasiewicz
Tuber yield highest for the 4x split N treatments in one of four site-years in Manitoba.
Strategies For Split Nitrogen Applications
Drs. Gyles Randall and Michael Schmitt
Overview is offered on over 60-site years of field data on corn grown in medium and fine-textured soils.
Foliar Boron Bumps Soybean Yields
Dr. James R. Woodruff
Wisconsin, Illinois, Ohio and Missouri field studies show that boron applied at 0.25 lb/A increased yields by 3 percent, overall.
Foliar K Applications Safe With Glyphosate
Drs. K. Nelson, P. Motavalli, G. Stevens, A. Kendig, M. Nath an, D. Dunn
Expect minimal soybean injury and reduction in weed control, depending on product selection and application rate.
Does Glyphosate Gene Affect Manganese Uptake in Soybeans?
Dr. W. B. Gordon
Kansas study suggests superior yield response when manganese is added to glyphosateresistant soybeans.
Post-emergent Nitrogen Applications Have Potential for Increasing N-Use Efficiency in Spring Grains
Dr. G. Lafond, S. Brandt , W. May, C. Holzapf el and Dr. A. Johnston
Provisos are that some starter N is applied at time of seeding, but the amount of starter N is dependent on how much risk the grower is willing to assume by going with more N after crop emergence.
More Profits With Chloride
Dr. Larry Murphy, Dr. Barney Gordon, and Bryan Evans
University research has demonstrated the benefits of chloride fertilization for crop yields and profitability.
What Is Optimum Placement of NPKS Starters for Corn on High-Testing Soils?
Dr. Gyles Randall and Jeff Vetsch
Minnesota researchers seek answers as they conduct corn studies at research center in Waseca, Minnesota.
A Look At Seed-safe Applications Of Fluids
Dr. George Rehm, Dr. John Lamb, and Mark Bredehoeft
Multi-Year study looks at how well fluid fertilizers fit in with concept of placing fertilizer close to seed at planting.
Importance Of Soil Organic Matter Buildup
Paul Wayland
Basics Short Course Proper use of crop residue and manure applications is a key management practice of production systems found on the High Plains of Texas, Oklahoma, Colorado, and Kansas.
Foliar Boron Bumps Cotton Yields
Dr. James R. Woodruff
Southeastern study shows that at leaf boron levels below 40 ppm at first flower, foliar boron applications improved cotton yields.
Micronutrient Availability Improved With Fluids
DR. B. HOLLOWAY, D. BRACE, DR. I. RICHTER, DR. M. MCLAUGHLIN, G. HETTIARACHCHI, DR. R. ARMSTRONG
Australian trials show 11 to 17 percent increase in grain yields when using fluids.
Fall Surface-Applied Fluid P Movement Into Soil Limits Potential Loss to Erosion
DR. JOHN KOVAR
Two years of measurements show that fall-applied fluid P moves into the soil, limiting losses and maintaining relatively higher levels of bioavailable P in top six inches of soil.
Fluid P Performance Improved With Polymers
DRS. BARNEY GORDON AND TERRY TINDALL
Studies have shown new polymer technology combined with fluid P has significant effects on P-use efficiency and crop yields.
Apple Orchards Respond To Boron Fertigation
Drs. G. Neilsen, D. Neilsen, E. Hogue, Mr. L. Herbert
Canadian studies show increase in leaf and fruit boron concentrations.
What About Foliar P On Corn and Winter Wheat?
Drs. K. Girma, B. Raun, H. Zhang, J. Mosali
Oklahoma studies show peak yields when P is foliar applied.
Fluids Excel Over Granular On Australian Calcareous Soils
Dr. R. Holloway, B. Frischke, A. Frischke, D. Brace, Dr. E. Lombi, Prof. M. McLaughlin, Dr. R. Armstrong
Overall, 70 of 103 wheat experiments showed positive yield increases when fluids were applied.
High Fertilizer Prices: Don’t Expect Them To Go Away Soon
FFF Review
Advantage fluids: read on as to why.
Returns Mixed On Wheat Pasture Response To N and Maintenance P in Wheat/Stocker Systems
J. Sij, W. Pinchak, J. Ott, B. Min, D. Malinowski, D. Robinson
Even though yields were increased nearly 6 bu/A, a rough analysis shows returns were only marginally profitable.
Late-season Applied N Can Increase Alfalfa Yields
Drs. W. Raun, G. Johnson, S. Phillips, W. Thomason, Mr. J. Dennis, Mr. D. Cossey
Increased yields due to applied N found in last or second to last harvest.
When Banding Near the Seed, Be Careful!
Drs. George Rehm, John Lamb, Mark Bredehoeft
Best if there is a small amount of soil between the seed and fertilizer.
Starters Bump Corn Yields 17 bu/A Versus No-Starter Controls
Dr. Gyles Randall and Jeff Vetsch
Minnesota 2004 study showed that yields tended to be greater when sulfur was included in the starter in a wet, cool year.
Thiosulfates: A Reliable Source For Sulfur in Agriculture
INDUSTRY AT WORK
Thio-Sul (ATS) is one in a line of proven products marketed by Tessenderlo Kerley.
Applying Some Starter N at Seeding Critical in Spring Wheat and Canola
Drs. G. Lafond, S. Brandt, W. May, C. Grant, A. Johnston
Canadian researchers speculate that 50 percent of total N required should be applied at seeding to minimize risks with postemergent N applications.
Fluids Shine in Rice Trials
Dr. Fred Turner, Mike Jund, and Mark Hebert
Texas studies show both the agronomic (yield) and economic advantages of fluid fertilizers.
Variable Rate P Application Increases Rice and Soybean Yields
Drs. T. Walker, M. Cox, W. Kingery, S. Martin, L. Oldham, J. Street
More precise application of P helps maximize yield and stabilize production
Banded P Increases Sugarbeet Yields
Drs. Jason Ellsworth and Bryan Hopkins
Idaho studies show deep-banded APP produced the most significant increases in sugarbeet production.
Optimizing N Management Without Ammonium Nitrate
DRS. ALAN BLAYLOCK AND LARRY MURPHY
Nitrogen-use efficiency coming more into focus with the gradual phasing out of ammonium nitrate.
Soil Organic Carbon Levels Increase in Texas Trials
Dr. Ardell Halvorson, Dr. Arvin Mosier, and Curtis Reule
Ongoing study so far shows that maximizing soil productivity in a reduced-till, irrigated contiuous corn production system benefits soil organic carbon sequestration.
Determining The Yield Potential of APP In Varying Australian Soil Environments
T. McBeath and Drs. E. Lombi, M. McLaughlin, R. Holloway, R. Smernik, E. Bunemann
Researchers design a series of experiments to investigate the hydrolysis and sorption of pyrophosphate.
Search To Improve P Nutrition In Wheat
Drs. C. Grant, G. Clayton, M. Monreal, N Lupwayi, K Turkington, D. McLaren
Use of mycorrhizal inoculant to encourage early-season uptake also employed in 2004 Manitoba and Alberta studies.
K and Calcium Boost Melon Quality
Drs. Gene Lester and John Jifon
Studies show foliar applications of potassium and calcium can improve melon quality and shelf life.
Is K the Cinderella Nutrient for Reduced-Till Systems?
Drs. Douglas Karlen and John Kovar
All methods of providing additional K increased whole plant and corn ear-leaf K concentrations as well as grain yield.
Basics Short Course
The nitrogen (N) chemistry of bands is affected by materials applied, rates of application, and by soil conditions such as pH, organic matter content, biological activity, exchange capacity, compaction, temperature and moisture content.
Variable-rate N Management: One Option For Better Profits
Drs. James Schepers and John Shanahan
Also increases N-use efficiency and minimizes potential environmental consequences.
Value of Fluid Flexibility In Intensive Wheat Management
Phil Needham
Nitrogen is a key component to yield and accurate timing of the appropriate form of the nutrient can reap huge rewards.
UAN Demonstrates Its Effectiveness In Western Australia
Industry at Work
Advantages of fluids catching on in Western Australia where their use is expanding.
Unlocking The Secrets of Carbon/Nitrogen Cycling
Drs. A Dobermann, D. Walters, F. Legoretta, T. Arkebauer, K. Cassman, R. Drijber, J. Lindquist, J. Specht, and H. Yang
Corn yields and N-use efficiency highest in intensive corn/soybean systems.
Starter Applications of APP Show Positive Response in Sugarbeet Trials
Drs. Bryan Hopkins and Jason Ellsworth
Surface banding APP (10-34-0) did not show increased sugar percent or yield; at one site it significantly reduced sugar yield.
Fluids Reduce Costs Versus Dry In Drill-Seeded Rice Production
Drs. Fred Turner and Mike Jund
Banding of fluid fertilizer and early flood improved mid-season N content of plants receiving all fertilizer at planting.
APP Fluid Surpasses Granular In Australian Grain Trials
Dr. R. Holloway, B. Frischke, D. Brace, Dr. M.
McLaughlin, and Dr. E. Lombi
Mean grain yield was 5 percent higher on residual fluid APP plots than on granular TSP plots.
Dealer Provides “Recipe For High-Yielding Soybeans”
INDUSTRY AT WORK
Shows customers how to become top producers by following proven six-step program.
What About Foliar K On Soybeans?
Dr. P. Motavalli, Dr. K. Nelson, Dr. G. Stevens, and S. Phurahong
Despite a relatively inconsistent soybean response to foliar K, studies show an opportunity may exist to provide growers with a cost-effective method of applying foliar K.
Proper Nutrient/Water Input—Key To High-yielding Cotton
Dr. Daniel Krieg
Management of nutrient supplies, especially nitrogen and phosphorus, ensures deficiencies will not occur during early stages of fruit development.
Let’s Incorporate Nutrient Management Planning Into Our Service-based Structure
Dr. Paul Tracy
Our goal should be to do so through mechanisms that make it a profitable and sustainable endeavor for the landowner, crop producer and fertilizer industry.
Is Fertilizing For Grain Quality Different From Fertilizing For Yield?
Dr. Fred Below, Juliann Seebauer, and Martin Uribelarrea
Illinois studies show that N rate needed to maximize grain protein is higher than that needed to optimize grain yield.
Strip Till: An Attractive Alternative to No-Till?
Dr. W. B. Gordon and R. E. Lamond
In Kansas corn studies, strip-till plots yielded 16 bu/A mor ethan no-till plots.
Keep Close Watch on NPKs Fertilization of Alfalfa
Dr. Richard Koenig
Some form of soil and tissue testing must be used to identify deficiencies and monitor nutrient status.
N-Use Efficiency Improves In Ecological Intensification Project
Drs. T Arkebauer, A. Dobermann, K. Cassman, R. Drijber, J. Lindquist, J. Specht, D. Walters, and H. Yang
Management systems designed to preserve the integrity of the environment are proving profitable in yields and more efficient use of inputs.
Managing Nitrogen With Five-dollar Gas
Dr. Gyles Randall
Escalating natural gas prices with little possibility of low-cost nitrogen returning, strongly encourages growers to fine-tune management practices or jeopardize profits.
Can Agriculture and Environmentalists Align Interests?
Dr. Kenneth G. Cassman
Yes, says author. How? By ensuring global food security, protecting biodiversity, improving water quality, and reducing reliance on imported oil.
Will Continuous Supply of NH4+-N Increase Irrigated Crop Production?
Dr. D. R. Krieg
Results of studies in the Texas South Plains showed positive responses with cotton but not sorghum.
Strip Till: A Viable Option?
Ms. L. Ferdinand, Drs. R. Lamond, B.Gordon, K. Jannsen, and Mr. C. Godsey
Kansas research shows strip-till produced better early-season growth and higher corn grain yields in 2003 trials.
Trials Prove K Fertilization of Apples can be Beneficial
Drs. Gerry Neilsen and Denise Neilsen
Studies conducted in semi-arid region of British Columbia on potassium- and magnesium-deficient, coarse-textured soils.
Phosphorus Fertilizer Bumps Forage and Beef Production
Drs. D. Robinson, J. Sij, W. Pinchak, R. Gill, D. Malinowski, T. Baughman and Mr. S. Bevers
Forage and Beef production increased sufficiently to exceed the cost of added P.
Don’t Overlook Effect of Variables on P Use in Corn-Soybean Rotations
Dr Gyles Randall and Jeffrey Vetsch
Tillage systems, P placement, P levels in soils, and applied P rate can affect yields and economic return Minnesota studies show.
Surface Banding Effective for Corn Starter
FFF Review
Mounting evidence shows surface dribbling starter plus N and P closer to plantroots than broadcasting.
Fluids Beat Granular in Soil Trials
Drs. M. McLaughlin, E. Lombi, B. Holloway, R. Armstrong, Ms. C. Johnston, Ms. D. Brace
Granular fertilizers found to be inferior to fluids in calcareous soils.
Controlled Release Nitrogen Shows Promise on Onions
Industry At Work
Product is reportedly showing consistently higher returns on investment with onion growers in the Pacific Northwest.
Optimal Nutrient Levels Required For High-yielding Potatoes
Drs. Jeff Stark and Bryan Hopkins
Achieving optimal goals requires an efficient nutrient management program, using the most effective nutrient sources, application timings,and methods of placement.
Evaluating Soil Fertility Production Practices for No-Till Cotton Fertilization
Dr. D D. Howard
Researcher explores effects of starter, nitrogen, phosphorus, and potassium on cotton yields in different placement scenarios.
Fluids Whip Granular In Nitrate-N Runoff Comparisons
Drs. Gary Gascho, Donald Wauchope, Jessica Davis, and James Hook
Georgia study suggests that fluid fertilizers have less tendency of runoff when a heavy rainfall occurs.
Banding Means Higher Yields and Better Return On Investment
FFF REVIEW
Surface band provides better soil contact, higher nutrient concentrations in bands, diminished nutrient fixation, and greater availability for plant uptake.
Calcium Nitrate Pays Off on Citrus
Industry At Work
Research indicates increased productivity and profitability, root health, and tree longevity.
Alternatives To Fall N Applications Via Fluids
Dr. Gyles Randall and Jeffrey Vetsch
Study looks at different application timing under two distinctly different corn tillage systems.
K In NP Starters Helps Bump Corn Yields
Dr. Barney Gordon
Three-year study shows that adding potassium can supply extra punch to push yields higher, even though soils already test high in P and K.
Sulfur Applications Boost Alfalfa Yields
Dr. Richard Koenig, kevin Heaton, and James Barnhill
In sites marginal or deficient in sulfur, tests indicate that consistent responses to sulfur fertilization can be achieved.
Mega-Yields With Twin-Row Planting
Gene and Dean Carstens
Authors foresee exceeding 300 bu/A corn and 85 bu/A soybean yields at a profitable level and with no adverse environmental impact.
Sensor-Based N Management Strategy
Industry at Work
New optical sensing variable rate application system improves nitrogen use efficiency and increases producer returns.
Using Starters to Reduce Broadcast Applications of P in Sugar Beets
Drs. Albert L. Sims and Larry J. Smith
Studies show P starters produced yields equal to or exceeding those produced by larger rates of P applied through broadcasting.
Improving Nutrient Management Via Evolving Strategies and New Technologies
Drs. J.S. Schepers, S. Payton, D.D. Francis, and J. Shanahan
Nebraska studies focus especially on nitrogen and its impact on the environment.
Which Will It Be?
Dr. Terry A. Tindall
Drought and the talk of drought means we in agriculture must work to increase water-use efficiency through a better understanding of crop water use.
Studies Show Urease Inhibitor Boosts Yields
INDUSTRY AT WORK
University and agribusiness studies affirm the beneficial effects inhibitors have in raising crop yields.
Searching For More Effective Corn Starters In Conservation-Tillage
Dr. John Kovar
A combination of laboratory/greenhouse and field experiments offers useful information to dealers, producers, and agronomists.
Foliar Fertilization Improves Nutrient Use Efficiency
Robert C. Dixon
Studies are showing foliar fertilization is more efficient and reduces potential environmental impact.
Calcium Boosts Peanut Yields
Naveen Puppala, Dr. R. D. Baker and Dr. Ronald B. Sorensen
New Mexico studies in irrigated fields document not only significant yield increases but monetary returns as well.
Searching for a Right Balance in Plant Population and Nitrogen Fertility
Drs. J. M. Blumenthal and D. J. Lyon
Nebraska studies on dryland corn show interesting correlations between yields and management of plant populations and nitrogen fertility.
What About Starter Placement in High Phosphorus Soils
F. Ronald Mulford
Maryland researcher takes a look at alternative methods of placing starters in soils testing excessively high (above 205lbs/A of P2O5).
Balanced P and K Applications Crucial to Optimum Alfalfa Yields
W.K. Berg, Drs. B.C. Joern, K.D. Johnson, S.M. Brouder, and J.J. Volenec
Tests conducted at Purdue show the grave consequences of adding P without K.
Fluids Outdual Granular In Australian Wheat Trials
Dr. R.E. Holloway, Dr. I. Bertrand, Mrs. A.J. Frischke, Mrs. D.M. Brace, and Dr. M.J. McLaughlin
Fluid sources of P, N, and Zn performed markedly better than granular fertilizers in terms of promoting dry matter, P uptake, and grain yield.
Do Starters Work Better in Reduced-Till Systems?
Dr. Larry G. Bundy
Research suggests that beneficial responses to starter may be more frequent, and the size of the response greater in high residue systems, specially in no-till.
What About N in NPK Starters?
Dr. R.e. Lamond, Dr. W.B. Gordon, B.J. Niehues and C.J. Olsen
Be careful, Kansas researchers warn, about how high you raise those N rates.
How Far Have We Progressed With Precision Agriculture?
Dr. Paul E. Fixen
We’re not as far down a road bumpier than we expected, author claims. However, enironmental pressures will speed its acceptance in making it a
permanent fixture.
Starters Bump Grain Sorghum Yields
Drs. W.B. Gordon and D.A. Whitney
Kansas experiments were conducted on both minimum-till and no-till systems, using 2 x 2 and dribble methods of placement.
Are You Approaching Yield Thresholds?
Dr. Achim Dobermann, et al.
Nebraska researchers suggest the answer is “no.” Increased plant populations and nutrients can bring higher corn yields, plus the added benefit of increased carbon sequestration.
One Good Way To Add Punch To Starters: Include Sulfur
Dr. John G. Clapp
Industry agronomist says potential yield increases from adding sulfur to starters should be even more positive in the future due to a decline in atmospheric sulfur.
Fine-tuning Soil/Plant Needs Critical In Potato Production
Drs. Terry A. Tindall and Dale Westermann
Western scientists probe into factors affecting potato crop needs for potassium.
Micronutrient Response Enhanced By Fluid Starters
Dr. Alan Blaylock
Mixed solutions create intimate contact between nutrient compounds in the various carriers combined.
Liquid N Shines in Turf Applications
Dr. C. F. Mancino, Ms. Dianne Petrunak, and Mr. Douglas Wilkinson
Shows less N loss compared to granulars in 1999 Penn State University putting green trials.
Sidedressing Nitrogen in Corn Makes Sense
It is not only friendly to the environment but also improves return on investment and crop yields.
P and K Reserves Growing Thinner
Drs. P.E. Fixen and T.S. Murrell
Do we know enough about optimum soil test levels and nutrient needs at high yield levels is the question being asked.
Fluid Starters Bump Cotton Yields
Drs. C.W. Bednarz, G.H. Harris, and W.D. Shurley
Net economic returns were also higher than untreated check in 23 of 30 comparisons.
Calcium’s Role In Plant Nutrition
Dr. G. W. Easterwood
Research shows soluble calcium fertilizer plays vital role in production of high-quality crops.
P Starters Bump Yields In Corn/Soybean Rotations
DR. GYLES RANDALL AND JEFFREY VETSCH
Researchers stress that optimum placement of phosphorus (P) is essential in reduced-till systems, especially in soils testing low in P.
Alfalfa Responds To High P Rates, P Banding
R.W. Mullen, and Drs. G.V. Johnson, J.F. Stritzke, J.L. Caddel, S.B. Phillips, W.R. Raun
Oklahoma State University trials show that additional profit may be realized because implement and labor costs are decreased due to fewer applications.
Ortho Vs. Poly
Dr. Raun Lohry
Author takes a look at the history and behavior of ortho and polyphosphates.
Corn Responds To Sulfur Fertilization On Eroded Soils
Dr. Howard J. Woodard and Anthony Bly
Studies conducted in 2000 on no-till, rolling South Dakota landscape show yield variances on different slope positions.
Two By Two Starter Superior In Grain Sorghum Trials
Drs. W. B. Gordon and D. A. Whitney
Surface dribble applications greatly improved yields over no-starter check but were not as effective as two by two placement in Kansas minimum-/no-till experiments.
Can Boron Correct Transient Nutrient Deficiencies?
Dr. Patrick Brown
Recent California experiments using foliar applications seem to indicate so. More research is needed.
Are Currently Recommended Fertilizer Management Programs Sufficient?
Drs. Tim Arkebauer, Ken Cassman, Achim Dobermann, Rhae Drijber,
John Lindquist, Lenis Nelson, William Powers, Ken Russell, James Specht and Daniel Walters
Probably not, Nebraska researchers’ observations suggest if maximum attainable yields are goal.
What about Foliar NPK On Citrus?
Drs. L.G. Albrigo and J.P. Syversten
Florida researchers are finding that these sprays at bloom and post-bloom enhance fruit set and yields.
The Role Of Roots In Maximum Soil Productivity
Dr. J. L. Kovar
A significant amount of production capital and labor are expended in an effort to provide an environment conducive to plant root growth. Don’t ignore your investment, researcher advises.
When Banding, Fluids Are The Way To Go
Dr. Raun Lohry
Formulated to meet crop needs for macro-and micronutrients, with every drop having the same analysis, fluid fertilizers offer distinct advantages.
Calculating Salt Index
Dr. John J. Mortvedt
Salt content is one of the most critical characteristics of fertilizers that should be considered when fertilizers are applied, especially with seed-row or “in furrow”placement.
Does Variable Distribution Affect Liquid P-Use Efficiency?
Drs. B. Eghball and D.H. Sander
Florida scientist offers tips on how to use starters, plus describes the many benefits that accrue from their use. He focuses on corn.
Reducing Soil Compaction In Reduced-Till Fields
FFF Review
Compaction is our biggest enemy in reaching yield goals. Densely compacted soils have little space for roots, soil organisms, water or air.
Managing Manure As Value-added Service
Craig Jorgessen
Livestock producers will need to acquire planning expertise to assure application rates comply with governmental regulations.
NPK Starters Best N-Only Starters
Drs. R. E. Lamond and W. B. Gordon
Kansas researchers report combo produced superior corn yields even though soil P and K levels were high.
Corn/Soybeans Respond to Starter
Dr. James R. Woodruff
Studies show that starters produce optimum responses in coastal plain soils with low Kkholding capacity.
Should K Be Used On High K-Testing Soils?
Drs. W.E. Riedell, D. L. Beck, and T.E. Schumacher
In an irrigated no-till system, South Dakota researchers found K did not interact with N and P to affect corn yield.
Magnesium Builds Potato Profits and Quality
Dr. Ray Hoyum
Nine-year study in irrigated field shows yield bump and net dollar increase per acre.
What About Foliar Fertilization Of Soybeans?
Drs. Antonio P. Mallarino and Mazhar UI-Haq
Though a practice not widely used by growers, renewed interest by researchers has producted some positive yield responses in Iowa studies.
What About P Placement and Rate on Furrow Irrigated, Ridge-Tilled Grain Sorghum?
Drs. W.B. Gordon and D.A. Whitney
Three-year Kansas study shows broadcasting not as effective as banding, plus higher P rates improved yields.
Where Does Organic Phosphorus Fit In Your Fertility Program?
FFF Review
Phosphorus is a key ingredient in the DNA molecule. Strange as it may seem, up to 50 percent of the soil’s organic phosphorus could be in the form of DNA.
Fluid Fertilizers In Direct Seeding Systems
Dr. Jeff J. Schoenau
Ease of handling and simplocity in single-pass systems provide rapidly growing market for fluids in Western Canada.
No-Tillage and N Fertilization Enhance Soil Carbon Sequestration
Dr. Halvorson, C.A. Reule, Dr. L.S. Murphy
Studies show that returning N treated residue to soil works better in no-till than in conventional-till systems.
Cotton Yields Respond To Phosphorus Fertigation
J.S. Reiter and Dr. D. R. Krieg
Texas research shows fertigation is a viable option to save cotton growers both time and money on fertilizer inputs.
NBPT Reduces Seedling Damage In UAN Trials
Drs. C. A. Grant, D. A. Derksen, D. McLaren
Canadian no-till canola studies find NBPT helps maintain stand density when increasing rates of side-banded UAN in certain soils.
Use Local Databases To Help Sell Fertilizer
L.J. Murrell
Effects of compaction and how starter fertilizers can compensate is but one example of where dealers can help growers via databases.
What About ‘One-Pass’ Fertilization/Seeding?
Drs. Adrian M. Johnston and Cynthia Grant
Canadian studies with liquids show minimal effect on wheat germination and maintenance of yields. Not so with barley and canola.
Fluid Starters Bump Yields in High P And High K Soils
Dr. W.B. Gordon
Kansas field experiments on corn and soybeans compare two K sources and two placement methods at varying application rates.
Late-planted Soybeans Respond to Nitrogen Starter
Michael E. Starling, Dr.C.Wesley Wood, Dr. David B.Weaver
Cultivars are compared with varying responses to applied starters at low-N sites. Future studies will focus more on optimum N rates.
Putting MSP To Work
FFF Review
It involves implementing the ABCs–the basic fundamentals–of a soil improvement program that will maximize your soil’s productivity and increase yields.
Potassium Fertigation Improves Soil K Distribution, Builds Pistachio Yield and Quality
Drs. D.Q. Zeng, P. H Brown, B.A. Holtz
Available soil potassium rapidly depletes in postachio orchards where it is not applied, adversely affecting pistachio yield and quality.
All About Starters
Dr. D.L. Wright
Florida scientist offers tips on how to use starters, plus describes the many benefits that accrue from their use. He focuses on corn.
Fertility/tillage Management System Takes Planning
FFF Review
Designing a fertility/tillage management system requires an understanding of the resources available.
Chloride Fertilization Bumps Wheat Yields, Profits
Dr. R.E. Lamond, David D. Roberson, Kirby Rector
Kansas researchers report yield increases as high as 23 bu/A in three-year trails and double-digit dollars returns over 16 varieties.
P Fertility And Placement Enhance Wheat Forage Yields
Drs. Travis Miller and Brent Bean
Texas scientists emphasize the importance of adequate P in a wheat/beef grazing system.
Don’t Bale or Burn. Build!
FFF Review
Residue you burn will be lost as the valuable building block for enriching soil organic matter, which can double your productivity.
Simulated Rain Experiments Measure Runoff of N and P
Drs. G.J. Gascho, R.D. Wauchope, J.G. Davis, C.C. Truman, C.C. Dowler, J.E. Hook, A.W. Johnson, and Mr. H.R. Sumner
Tests by Georgia scientists indicate UAN may not be as susceptible to runoff losses as granular fertilizers.
What About Manure?
Drs. B.C. Darst and P.E. Fixen
Plenty of controversy swirls about risks, availability, current use, and potential use of manure with commercial fertilizers.
Nutrient Placement Affects Yield In Grain Sorghum
Dr. Dan Sweeney
Kansas scientist compares sorghum responses to broadcast, dribble, and knifing of NPK suspension fertilizers in two-year placement study.
P Boosts Wheat Forage Yields In West Texas
Drs. Travis D. Miller and Brent Bean
Researchers use irrigated vs. dryland conditions, as well as surface-applied P vs. deep-banded P in multi-site comparison trials.
Residues: A Problem or an Opportunity
FFF Review
Recent studies show why residues are the key to maximizing soil productivity (MSP).
Applied N At R3 Stage Bumps Soybean Yields
T.L.Wesley, Drs. R.E. Lamond,V.L. Martin, S.R. Duncan
Nitrogen applications at R3 growth stage produce 11.8 percent average yield increase in two-year Kansas study.
It Takes More Than Just NPK
Dr. Byron Vaughan
Soil moisture, drainage, compaction, pH, and micronutrients are all factors that, if ignored, can limit the potential of NPK.
Cotton Starters Showing Potential In Coastal Plain
Drs. C. W. Bednarz and G. J. Gascho
Georgia scientists study effects of using fluid starters in combination with broiler litter often used on southeastern croplands.
Water Use Efficiency Key to MSP
FFF Review
Requires rebuilding soil to spongy structure over a period of years.
Iron For Improved Corn Yield?
G.W. Hergert, Dr. P.T. Nordquist, J.L. Petersen, B.A. Skates
You bet. Nebraska researchers are showing that under proper ph conditions and hybrid selection, corn yield responds positively to iron applications.
A Look At Starters, Row Cleaners And N Placement In No-Till
Dr. Gyles Randall and Jeffrey Vetsch
Minnesota researchers use study to determine effects of its components on no-till continuous corn and corn after soybeans.
Row Width/Plant Population Affect Corn Response
Drs. P.M. Porter, D.R. Hicks, W.E. Lueschen, J,H, Ford, D.D. Warnes, and T.R. Hoverstad
Hybrid choice also influenced grain yield in three-year studies conducted by University of Minnesota scientists.
Root Zone Banding Speeds Up MSP
FFF Review
Improved soil tilth improves water-holding capacity and creates a more favorable environment for growing plants.
What About P Loss?
Drs. W.M. Stewart, K.A. Janssen, and K. Polizotto
Researchers have and are developing strategies for keeping phosphorus in place. Management is the key.
Foliar Potassium Bumps Cotton Yields
Dr. Bill Weir
California researcher reports consistent yield increases to foliar-applied potassium over a period of years in the San Joaquin Valley.
Soil Variability In Landscapes Affects N Management
Drs. R.A. Ortega, D.G Westfall, and G.A. Peterson; W.J. Gangloff
Colorado researchers find topographical variability affects grain yield, soil properties, and N fertilizer response of dryland corn in VRT studies.
Maximizing Soil Productivity
FFF Review
Improving soil quality points way to higher yields, higher profits, and a cleaner environment
Surface Banding Superior To Broadcasting on Reduced-Till
Dr. Raun Lohry
Field studies demonstrate yield benefits in corn, wheat and bromegrass.
Potassium Boosts Almond Yields Via Irrigation
Drs. R.D. Meyer, J.P. Edstrom, L.J. Schwankl
Yield differences over control are significant in micro-sprinkler system but not in single- or double line drip systems.
One Answer To Global Warming: High-yield Agriculture
Bill Lohry
Increased crop yields could sequester more CO2 to help mitigate emissions of fossil fuels while also supplying a hungry world with more food.
Key To “Stashing” Carbon: Residue Management
FFF Review
Research and on-farm experience show that improvement of soil environment via high-yield farming greatly enhances stashing.
Point Injection of N Shines in Sugarbeet Trials
Drs. L.W.Van Tassell, Alan D. Blaylock, Bozheng Yang
Wyoming researchers provide economic analysis comparing broadcasting with point injection and knife banding.
Crops Respond To Fluids In Combination With Carpramid Polymer
Drs. Larry Murphy and J. Larry Sanders
Researchers report favorable responses in corn, wheat, and cotton in extensive field trials across U.S.
Interaction Between Plant Density And Water Supply Affects Cotton Yield
D.R. Krieg
Texas scientist concludes only way to reduce risk of excessive stress is to match population with expected water supply.
High Residual Soil Mineral-N Impedes Response
R. Khosla, Dr. M.M., Alley, P.H. Davis, Dr. D.E. Brann
Virginia researchers find increased residual N accumulations in soil from drought and changing crop practices can sharply reduce crop response to additional N applications.
Good Residue Management Improves Soil Productivity
FFF Review
Helps produce a more favorable high-yield environment for the conversion of residue into organic matter.
Starters Boost Yields Of Corn Rotated With Cotton
by Drs. Henry J. Mascangni, Jr. and Donald J. Boquet
Louisiana three-year study shows that planting date and hybrid selection can affect corn reponse to fluid starters.
Corn Responds Best To Spokewheel Injected UAN In Ridge-till Trials
Drs.G.W. Randall, T.K. Iragavarapu, B.R. Bock
Minnesota scientists seek optimal N efficiency and minimal ammonia volatilization in four-year study.
Response To Starter Combinations Varies With Corn/Sorghum Hybrids
Drs.W.B. Gordon and G. M. Pierzynski
Kansas first-year trials using fluid combinations suggest responses can be economical for some hybrids, even on soils that are not low in available nutrients.
Zone-tillage an Alternative to No-till And Chisel Plow?
Dr. R. R. Wolkowski
Wisconsin scientist makes case for practice, citing it meets conservation goals with less potential of depressing yields.
High Fertilizer Rates Placed Near Seed Benefit Wheat/Canola
Drs. L.D. Bailey and C.A. Grant
Studies, using fluids on zero- and conventional-till, show greater risk with canola than wheat.
Annual/Biennial Applications of P Compared in No-till and Chisel Plow
Dr. G.W. Rehm
Researcher finds variance between tillage systems in corn yield response to biennial applications.
Corn Yield Responses to Starters Vary with Climatic Conditions
Drs. E,C. Varsa and S.A. Ebelhar
Nitrapyrin additions to fluid starters have significant effect on early growth in 1996 trials conducted by Illinois researchers.
Subsurface Drip System Fine Tunes Nutrient Management For High Yields
Dr. Norris L. Powell
Virginia researcher also shows the importance of monitoring soil makeup and moisture in attaining high yields.
Reviving High-yield Production Systems
Dr. Harold E. Reetz, Jr.
Space-age technology is providing some important tools to help meet the challenges of the next century.
Doing Things Right
Francis Childs
Iowa corn champ tells how he has been able to top 300 bu/A.
Fertility Management A Must For High-Profit Yields
Bill Lohry
All-encompassing strategy must be developed and implemented to overcome obstacles that can drain profits from high-yielding reduced-till crops.
Timing And Placement One Key to High Yields
Dr. Stanley A. Barber
Purdue scientist shows how strip placement of fluids is superior to broadcasting.
Nitrification Inhibitor Boosts Corn Yields
Dr. Sterling Olsen, D.F. Champion, Dr. Calvin Pearson, Harold Golus
Colorado researchers combine UAN with nitrapyrin to increase amount of N available to plant in the NH4+ and NO3- forms.
Drip Irrigation Improves N Efficiency
Dr. T.K. Hartz
Trend in California is drip irrigation to improve water/N management and protect environment.
Nutrient Demand High In Bermudagrass
Drs. B.C. Darst, J.N. Pratt, H.D. Pennington, W.B. Gass
Studies show yield benefits of proper fertilization on southern dairy pastures.
N Fights Corn Root Worms?
Dr.Walter E. Riedell
Data from South Dakota research suggest that N management could play an important role in improving tolerance to corn root worms.
Effects Of Seed-placed P Studied
Jim Gerwing, Dr. Ron Gelderman and Anthony Bly
South Dakota researchers find a number of variables determine tolerance of corn to P placed close to the seed.
Fertigation Enhances Grapefruit Yield
Dr. Brain J. Boman
When combined with single broadcast fertilization, fertigation of orchards produces results superior to several conventional broadcast applications.
Trickle Irrigation: One Answer To Site-Specific Nutrient Management
Drs. Thomas A. Doerge and T. L. Thompson
Practice is combined with tissue nitrate testing used to avoid N deficiencies as well as unneeded N inputs.
N: the Vital Nutrient in the Great Plains
Dr. Gary Peterson
Cropping intensification brings greater need for N fertilizers in Great Plains.
KTS Boosts Potato Yields
Dr. Richard T. Zink
Colorado researcher explores the role of potassium thiosulfate in potato production.
Corn Hybrids Vary In Response To Starter Fertilizers
Drs. W. B. Gordon, D. L. Fjell, and D. A. Whitney
Possibility of different rooting characteristics in hybrids prompts this two-year study of selected corn varieties grown under no-till, dryland conditions.
Starters Bump Yields In Edible Bean Country
Dr. Alan D. Blaylock
Wyoming researcher studies yield responses to variables in fertilizer applications and planting date.
Precision Farming: One Key To Quality Water
Dr. James S. Schepers
Author discusses the elements of site-specific management that ensure maximum nutrient-use efficiency and environmental stewardship.
Residue Management In West
Dr. Julian Smith
Problems peculiar to region provide a host of challenges to western conservation tillage growers.
Fine-tuning N For The Environment
Dr. Raun Lohry
Understanding the nature of N and how it can be managed are essential to making fertility practices environmentally friendly.
Starters Perform More Consistently Than Seed-Placed Fertilizers
K.B. Ritchie, Dr. R.G. Hoeft, Dr. E.D. Nafziger, L.C. Gonzini, J.J. Warren
Illinois researchers compare 2 x 2 starter with seed-placed fertilizer treatments in no-till corn field studies.
Beware of N Lockup in Reactivated CRP Fields
Dr. Paul Fixen
Carbon to nitrogen ratios higher than 30:1 could temporarily immobilize soil or fertilizer N in high-residue fields.
Management Key In Efficient, Profitable Alfalfa Production
FFF Review
Nutrient needs and profitability must be balanced with environmental stewardship.
Nitrogen Management Key In Conservation Tillage Crop Production
Dr. Donald J Eckert
Ohio studies show that method and timing of N placement have an effect on N-use efficiency.
Injecting N Cuts Application Rate in Half?
Drs. R. K. Roberts, D. C. Gerloff, D. D. Howard
Could be, say University of Tennessee researchers who set up models comparing broadcasting with injecting UAN in no-till corn.
Effective Boron Management
FFF Review
Though used in micro amounts, this vital nutrient plays a crucial role in a plant’s health and development.
Injection is Most Efficient Method of UAN Placement
C.L. Mann and Drs. D. B. Mengel and S. E. Hawkins
Comparison trials show effects of timing, application methods, and nitrification inhibitors on no-till corn yeilds.
Foliar Fertilization Bumps Potato Yields in Northwest
Dr. Larry K. Hiller
Rate and timing of application, plus host of other considerations, are critical in applying foliars to potatoes.
Starters Bump Sorghum Yields 18 Percent
Drs. W.B. Gordon and D.A. Whitney
Kansas researchers also find fluid starters applied at right N:P ratio improve early season growth and hasten maturity.
Sorghum Yields Similar In Placement Trials
Drs. F.W. Chichester and J.E. Morrison, Jr.
Researchers postulate soil moisture level may affect crop response in surface vs. subsurface comparison trials.
How Can Cotton Plants Best Exploit Potassium In Soil?
Dr. G.L. Mullins, C.H. Burmester, G.L. Pate
In search of an answer, Alabama researchers vary positioning of K in soil profile to study its effects on crop yield, K uptake, and root length density.
Managing Reduced Tillage Systems
Dr. Raun Lohry
Nutrient and residue management are key components in a cohesive program to maximize crop yields.
Phosphorus Improves Yields In Corn/Wheat Rotation
Drs. M. Ashraf, G.M. Pierzynski, W.B. Gordon, R.E. Lamond
Researchers report, however, varying P levels in soil had an effect on some responses.
Starters With Zinc Increase Bean Yields
Dr. Alan D. Blaylock
Wyoming studies also show yields increase and plants mature more quickly with later plantings.
Subsurface Placement Best In Reduced-Till
Drs. R.E. Lamond, W.B. Gordon, D.L. Fjell
Kansas research show importance of nutrient management/hybrid selection in boosting crop yield.
High Residue Producing Crops and Reduced-Till Improve Soil Productivity
Dr. J Havlin and L.W. Lohry
Studies show how practice reduces soil erosion and increases soil organic matter to produce both yield and economic benefits.
Starters Respond More Favorably in Reduced-Tillage Environments
Dr. Paul E. Fixen
Studies are showing crop responses in reduced-tillage systems outperform those in conventional-tillage.
Rule Number One for High Yields in Reduced Tillage: Proper Management
Dr. Jay W. Johnson
Selecting good hybrids, planting on time, minimizing crop pests, and properly supplying nutrient needs are among essentials outlines by Ohio researcher.
Does Pattern of Root Development Explain Variances in Crop Response?
Larry Oldham and Dr. George Rehm
Minnesota ridge-till studies suggest corn hybrids with shallower root system patterns may respond better to potash applications in early growth stages.
Boron Boosts Pistachio Yields
Drs. Patrick H. Brown, Louise Ferguson, and Geno Picchioni
California researchers find foliar applications are most effective after three year trials. Timing of application is critical.
ATS: The Multi-Use Sulfur Fertilizer
Dr. R. J. Goos
A secondary nutrient many agriculturists now think of as primary is part of the makeup of every living organism.
Effective Sulfur Management
FFF Review
A secondary nutrient many agriculturists now think of as primary is part of the makeup of every living organism.
Phosphorus Rate Affects Phosphorus Movement
Drs. B. Eghball, D.H. Sander and J. Skopp
Nebraska researchers look at effects of different application rates and different soils on phosphorus diffusion as well as phosphorus longevity.
Fluid Starters Boost Cotton Yields
Dr. Paul E. Fixen and Dr. Raun D. Lohry
Studies in Mississippi, Alabama, and North Carolina show that cotton responds well to starters.
Extra Crop Is Payoff In Dryland No-till Intensified Cropping System
Dr. D.G. Westfall, Dr. G.A. Peterson, R. L. Kolberg, L. Sherrod
N management improves in dryland no-till production system where cropping intensity is increased versus traditional wheat-fallow system.
Less Than Optimum N Rates?
Dr. D.H. Sander
Perhaps. Nebraska researcher warns that reducing N rate much below optimum would produce unacceptable yield and income losses for producer and drive up food prices.
Does N-P Starter Composition Affect Phosphate Availability in Cotton Soils?
Drs. John L. Kovar and Eddie R. Funderburg
Louisiana researchers find that N-P starters increase soil supply of phosphate even in soils that test very high, and that the amount of phosphate in the material, rather than the N:P2O5 ratio, is important.
Effective Zinc Management
FFF Review
An infinitesimal amount of this mighty nutrient goes a long way in helping to product yield gains.
Nitrification Inhibitor in Fluid Starters Improves Corn N Uptake
Drs. D.D. Francis, J.W. Doran, R.D. Lohry
Nebraska research also shows increased microbial immobilization of N.
Nitrogen Fluids Improve Yield and Quality of Wheat
Dr. P. S. Kettlewell and Jane M. Cooper
Soil-applied and foliar N applications show positive responses in UK winter wheat studies.
“Zinc is the most widespread micronutrient deficiency in the Corn Belt.”
FFF Exclusive
An interview with Dr. John Mortvedt of Colorado State University.
Foliar Fertilization of K On Cotton Shows Potential
Dr. Derrick M. Oosterhuis
Results of three-year Beltwide study to correct K deficiencies in soil through foliar fertilization indicate need for more basic research.
Effective Potassium Management
FFF Review
Proper fertility vital with this relatively immobile nutrient.
Chlorophyll Meter Promising As Tool For Nitrogen Management
Chad Berghoefer and Dr. Randy Killorn
But variances in weather and hybrids make it difficult to develop a standard critical level.
Effective Nitrogen Management
FFF Review
N-use efficiency/environmental satety hinge on how well this mobile nutrient is managed.
Nitrification Inhibitor/Fluid Starter Combinations Benefit Corn Yields
Jerry Huffman
Research shows possible synergy from combining two seemingly unrelated corn production practices.
Point Injection: Viable Option for Growers
Paul S. Belzer
Studies show improved field responses, minimal soil disturbance, reduced energy costs and increased fertilizer efficiency.
Effective Phosphate Management Material
Contributed by the Potash & Phosphate Institute
Understanding behavior of phosphorus relative to environment and recent technology is critical in tapping this elusive nutrient so essential to plant growth.
“There must be phosphorus uptake by half of the root system.”
Dr. Stanley Barber
Dr. Stanley Barber, Purdue University distinguished professor emeritus, stresses nutrient placement as key to maximizing crop yields, during interview with Fluid Journal.
Systems Agriculture At Open Grounds Farm
Dr. John R. Anderson, Jr. and Gabriele Onorato
Precision fluid fertilizer and pesticide management protect ecosystem at 44,000-acre site in North Carolina.
Multi-crop Responses To Starters Vary
Dr. Paul E. Fixen and Dr. Raun D. Lohry
Researchers report on yield responses to starters applied on soybeans, canola, sorghum, potatoes, and sugar beets
Fluids Shine in Ammonia Volatilization Comparisons
Dr. Richard H. Fox and William P. Piekielek
Tests in no-till corn fields in central Pennsylvania compare UAN with urea.
N Rate, Hybrid and Plant Population Affect Corn Yield
Drs. P. R. Thomison, J. W. Johnson and D. J. Eckert
Studies conducted over three-year span in eight different environments.
Systems Approach Produces Yield Gains
F. Ronald Mulford and Dr. William J. Kenworthy
Crop rotations, combined with enhanced fertility, supplemental water, and appropriate variety selection, produce significant yield gains.
Liquid Starter Makes Conservation-till Work
Dr. Raun Lohry
Research shows liquid starters continue to excel under intensive management
Fine-tuning for Ridge-till
Michael J. Mainz
Illinois scientist evaluates placement methods and “weed and feed”, using fluid fertilizers in ridge-till systems.
Maximizing Water-use Efficiency Key In Cotton Production
Dr. Dan R. Krieg
Yields nearly double through systems approach to management.
Environmental Stewardship/Efficient Crop Management Go Hand-in-Hand
Drs. John R. Anderson, Jr. and H. Michael Linker
Environmentally sound strategies for using fluid fertilizers discussed.
A Look at Starters on Corn
Dr. Paul E. Fixen and Dr. Raun D. Lohry
How is switching to reduced tillage affecting fertilizer placement in row crops?
Conversion to Conservation-till will Help Reduce Atmospheric Carbon Levels
J.S. Kern and Dr. G. Johnson
Study projects conversion to year 2020 and accompanying reductions in soil organic carbon and fossil fuel emissions.
Improved Yields Improve Environment
Drs. J. L. Havlin, A. J. Schlegel and G. M. Pierzynski
Tests made on grain sorghum and winter wheat to determine optimum recovery and minimize N leaching.
More Work Needed on Alternate Furrow N Fertilization
Dr. Paul W. Tracy and S. G. Hefner
Improved N-use efficiency not evident in initial corn/cotton irrigation studies.
Compaction Reduces Alfalfa Yield
Drs. Richard P. Wolkowski and Larry G. Bundy
Two-year study shows effects of wheel compaction on yield and nutrient uptake.
Late-Season Foliar Sprays Boost Soybean Yields
Dr. Gary Gascho
Yield increases as high as 9 bu/A achieved in Georgia experiments.
“It’s a Better System Management-Wise”
So says Iowa farmer Ben Flathers about his ridge-till system, during interview
with the Fluid Journal.
Change a Necessity When Switching to Reduced Tillage
Dr. George Rehm
Fertilizer Managment studies in reduced tillage focus on NPK.
In Search of Nitrogen Efficiency
Drs. James S. Schepers, Darrell G. Watts and Todd A. Peterson
Nebraska MSEA project explores ways to improve crop N use efficiency.
Effects of Residue Density on Corn Yield Research
Dr. E.C. Varsa and Stephen Hnetkovsky
Spans three-year period at two southern Illinois locations.
Soil Sampling in Reduced Tillage
Drs. D.D. Tyler and D.D. Howard
Studies on no-till corn compare various sampling procedures for evaluating extractable P and K levels on a fertilized soil.