Application
- Banding
- Fertigation
- Foliar
- In-Furrow
- Irrigation
- Point Injection
- Sidedressing
- Split
- Starter
- Surface Banding
- Variable Rate
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.
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.
Change a Necessity When Switching to Reduced Tillage
Dr. George Rehm
Fertilizer Managment studies in reduced tillage focus on NPK.
Zinc in Fluids
BASICS SHORT COURSE
Fluid fertilizers are an ideal means of providing needed zinc (Zn) for crops.
“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.
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.
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.
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.
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.
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.
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
Timing And Placement One Key to High Yields
Dr. Stanley A. Barber
Purdue scientist shows how strip placement of fluids is superior to broadcasting.
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.
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.
Root Zone Banding Speeds Up MSP
FFF Review
Improved soil tilth improves water-holding capacity and creates a more favorable environment for growing plants.
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.
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 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.
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 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.
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.
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.
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.
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.
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.
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.
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.
Potassium Fertigation In Highbush Blueberry
Drs. D. Bryla and S. Orr
Increases availability of K and other nutrients in the root zone.
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.
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.
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.
Potassium Fertigation and Organic Acids
Improving soil and plant nutrition in highbush blueberry
Dr. David Bryla, Scott Orr, David Leon
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
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.
Efficient Management of Water and Nutrients
F. Below, T. Beyrer, A. Mastrodomenico and J. Seebauer
In drip irrigation and fertigation.
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.
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.
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.
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.
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.
Late-Season Foliar Sprays Boost Soybean Yields
Dr. Gary Gascho
Yield increases as high as 9 bu/A achieved in Georgia experiments.
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.
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.
Starter/Foliar Fertilizers Improve Corn/Soybean Yields
Drs. Dorivar Ruiz Diaz and Nathan Mueller
Experiments conducted in four Kansas locations in 2010 and 2011.
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.
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 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 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.
Can Boron Correct Transient Nutrient Deficiencies?
Dr. Patrick Brown
Recent California experiments using foliar applications seem to indicate so. More research is needed.
Foliar Fertilization Improves Nutrient Use Efficiency
Robert C. Dixon
Studies are showing foliar fertilization is more efficient and reduces potential environmental impact.
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.
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.
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 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.
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.
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.
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.
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.
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.
Ortho Vs. Poly
Dr. Raun Lohry
Author takes a look at the history and behavior of ortho and polyphosphates.
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.
Fluids Key To Nutrient Efficiencies In Irrigation Management
Dr. Thomas A. Ruehr
Lend themselves to application through micro-sprinkler and drip irrigation systems.
Soil Fertility, Irrigation Keys to Potato Production
Drs. T. A. Tindall and G. Mooso
Absolute essentials in producing high yields and quality tubers.
Drip Irrigation Improves N Efficiency
Dr. T.K. Hartz
Trend in California is drip irrigation to improve water/N management and protect environment.
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.
Low Salt Fluids and Irrigated Potatoes
Drs. Terry Tindall and Galen Mooso
Maintaining adequate P availability is imperative.
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.
Implementing High-Yield Irrigated Corn
Russell French, Robert Bowling, Alyssa Abbott, and Mike Stewart
Requires research and adapting for profitable production.
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.
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.
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, Nutrient Resources
Assessing potential for drip irrigation and fertigation
Dr. F. E. Below, Dr. T. Beyrer, J. Seebauer and Dr. R. Bender
Point Injection: Viable Option for Growers
Paul S. Belzer
Studies show improved field responses, minimal soil disturbance, reduced energy costs and increased fertilizer efficiency.
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.
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.
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.
Sidedressing Potassium and Nitrogen on Corn
Dr. R. D. Miller
Evaluations made on yield effects.
Sidedressing Nitrogen in Corn Makes Sense
It is not only friendly to the environment but also improves return on investment and crop yields.
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.
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.
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.
N Use Efficiency Improved On Dryland Corn
Dr. Pawel Wiatrak
Clemson algorithm successfully used in Southeastern Coastal Plains.
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.
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.
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.
Surface Banding Effective for Corn Starter
FFF Review
Mounting evidence shows surface dribbling starter plus N and P closer to plantroots than broadcasting.
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.
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.
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.
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.
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.
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.
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.
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.
Liquid Starter Makes Conservation-till Work
Dr. Raun Lohry
Research shows liquid starters continue to excel under intensive management
“It’s a Better System Management-Wise”
So says Iowa farmer Ben Flathers about his ridge-till system, during interview
with the Fluid Journal.
Still Important: Starters On High P Soils
Ron Mulford
Maryland studies show P improves corn yields even when soil P levels are high.
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?
Fine-tuning for Ridge-till
Michael J. Mainz
Illinois scientist evaluates placement methods and “weed and feed”, using fluid fertilizers in ridge-till systems.
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.
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.
Nitrification Inhibitor/Fluid Starter Combinations Benefit Corn Yields
Jerry Huffman
Research shows possible synergy from combining two seemingly unrelated corn production practices.
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
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.
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.
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.
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.
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.
Starters With Zinc Increase Bean Yields
Dr. Alan D. Blaylock
Wyoming studies also show yields increase and plants mature more quickly with later plantings.
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.
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.
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.
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.
Starters Bump Yields In Edible Bean Country
Dr. Alan D. Blaylock
Wyoming researcher studies yield responses to variables in fertilizer applications and planting date.
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.
Continuous Corn Yields Enhanced via NPS Combinations
Jeff Vetsch
Starter fluid combinations in conservation-till boost early plant growth and yields.
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.
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.
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.
Starter/Foliar Fertilizers Improve Corn/Soybean Yields
Drs. Dorivar Ruiz Diaz and Nathan Mueller
Experiments conducted in four Kansas locations in 2010 and 2011.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
Ortho Vs. Poly
Dr. Raun Lohry
Author takes a look at the history and behavior of ortho and polyphosphates.
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.
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.
Micronutrient Response Enhanced By Fluid Starters
Dr. Alan Blaylock
Mixed solutions create intimate contact between nutrient compounds in the various carriers combined.
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.
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.
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.
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.
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.
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).
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.
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.
Surface Banding Effective for Corn Starter
FFF Review
Mounting evidence shows surface dribbling starter plus N and P closer to plantroots than broadcasting.
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.
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.
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.
Surface Banding Superior To Broadcasting on Reduced-Till
Dr. Raun Lohry
Field studies demonstrate yield benefits in corn, wheat and bromegrass.
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.
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
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.