Management
- Biofuels
- Compaction
- Environment
- Glyphosate
- GPS
- High Yields
- Insects
- Liquid vs Dry
- Manure
- MSP
- Plant Populations
- Residue
- Roots
- Row Width
- Sensors
- Soil
- Turf
- UAN
- Water
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Dealer Provides “Recipe For High-Yielding Soybeans”
INDUSTRY AT WORK
Shows customers how to become top producers by following proven six-step program.
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.
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.
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.
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.
Good Risk Management Requires Planning
Dr. Willis E. Anthony
We usually and wisely look into the future by exploring the past.
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.
Soil Fertility, Irrigation Keys to Potato Production
Drs. T. A. Tindall and G. Mooso
Absolute essentials in producing high yields and quality tubers.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Part 2: Zinc Fertilizer Strategy For Improving Yield
Dr. Ismail Cakmak
Zinc deficiency represents a common micronutrient deficiency problem in human populations.
Doing Things Right
Francis Childs
Iowa corn champ tells how he has been able to top 300 bu/A.
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.
Implementing High-Yield Irrigated Corn
Russell French, Robert Bowling, Alyssa Abbott, and Mike Stewart
Requires research and adapting for profitable production.
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.
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.
Increasing Corn Yields Via Stover Removal Using Fluids
Drs. Laura F. Gentry and Fred E. Below
Study shows that using proven technologies increased yields.
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.
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.
Efficient Management of Water and Nutrients
F. Below, T. Beyrer, A. Mastrodomenico and J. Seebauer
In drip irrigation and fertigation.
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.
Genetics Important in Nutrient Removal
Drs. R. Helms, J. Grove, and L. Murphy
Modern high-yielding crops remove more nutrients per unit of yield.
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.
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.
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.
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.
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.
High Fertilizer Prices: Don’t Expect Them To Go Away Soon
FFF Review
Advantage fluids: read on as to why.
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.
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.
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.
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.
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.
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.
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.
Fluids Compared to Granular in Sod Field Tests
Dr. Elizabeth Guertal
Fluid N sources shown to offer alternative source for sod growers.
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.
Celebrating 30 Years: Fluid Fertilizers Go Back a Long way
But it took innovation and drive to convince doubters of its advantages over granular.
Why UAN Solution?
Dr. Dale F. Leikam
Adaptability and Flexibility!
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?
Why Fluids?
Dale Leikam
The benefits have everything to do with improved crop yields, crop quality, environmental stewardship, and profitability — that’s why.
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.
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.
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.
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.
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.
Managing Manure As Value-added Service
Craig Jorgessen
Livestock producers will need to acquire planning expertise to assure application rates comply with governmental regulations.
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.
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.
Maximizing Soil Productivity
FFF Review
Improving soil quality points way to higher yields, higher profits, and a cleaner environment
Root Zone Banding Speeds Up MSP
FFF Review
Improved soil tilth improves water-holding capacity and creates a more favorable environment for growing plants.
Water Use Efficiency Key to MSP
FFF Review
Requires rebuilding soil to spongy structure over a period of years.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Effects of Residue Density on Corn Yield Research
Dr. E.C. Varsa and Stephen Hnetkovsky
Spans three-year period at two southern Illinois locations.
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.
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.
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.
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.
Residue Management In West
Dr. Julian Smith
Problems peculiar to region provide a host of challenges to western conservation tillage growers.
Good Residue Management Improves Soil Productivity
FFF Review
Helps produce a more favorable high-yield environment for the conversion of residue into organic matter.
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.
Residues: A Problem or an Opportunity
FFF Review
Recent studies show why residues are the key to maximizing soil productivity (MSP).
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.
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.
Increasing Corn Yields Via Stover Removal Using Fluids
Drs. Laura F. Gentry and Fred E. Below
Study shows that using proven technologies increased yields.
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.
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.
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.
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.
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.
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.
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.
N Use Efficiency Improved On Dryland Corn
Dr. Pawel Wiatrak
Clemson algorithm successfully used in Southeastern Coastal Plains.
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.
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.
Soil Fertility, Irrigation Keys to Potato Production
Drs. T. A. Tindall and G. Mooso
Absolute essentials in producing high yields and quality tubers.
Good Residue Management Improves Soil Productivity
FFF Review
Helps produce a more favorable high-yield environment for the conversion of residue into organic matter.
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.
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?
Fertility/tillage Management System Takes Planning
FFF Review
Designing a fertility/tillage management system requires an understanding of the resources available.
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.
Can Humic Substances Alter
Fertilize Reaction Pathways in Acid Soils?
J. Weeks and Dr. G. M. Hettiarachchi
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.
Fluids Compared to Granular in Sod Field Tests
Dr. Elizabeth Guertal
Fluid N sources shown to offer alternative source for sod growers.
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.
UAN Demonstrates Its Effectiveness In Western Australia
Industry at Work
Advantages of fluids catching on in Western Australia where their use is expanding.
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.
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 Fertilizer Industry Showing Significant Gains in Argentina
Dr. Ricardo Melgar
UAN and N-S solutions widely adopted by top corn and wheat growers.
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.
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.
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.
Why UAN Solution?
Dr. Dale F. Leikam
Adaptability and Flexibility!
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.
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.
Specific Gravity and pH Variability Affect UAN Blending
Michael Orr and Dr. Dale Leikam
Prudence needed to produce viable end product.
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.
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.
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.
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.
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.
Maximizing Water-use Efficiency Key In Cotton Production
Dr. Dan R. Krieg
Yields nearly double through systems approach to management.
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.
Water Use Efficiency Key to MSP
FFF Review
Requires rebuilding soil to spongy structure over a period of years.
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.
Water In The Great Plains
Dr. Raun Lohry and Dennis Zabel
There are no easy answers to protecting our surface and underground water resources.
Cotton Under Water-Limiting Conditions
Dr. Dan Krieg
Being profitable under water-limiting conditions in Texas is a challenge.
Managing Water And Nutrient Efficiencies
David Lankford and Frank Lichtner, Ph.D.
Using effective data collection and sound analysis techniques is critical.
Efficient Management of Water and Nutrients
F. Below, T. Beyrer, A. Mastrodomenico and J. Seebauer
In drip irrigation and fertigation.
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.