Soil Fertility/Agronomy Research Reports Plant Science Department College of Agriculture and Biological Sciences South Dakota State University

1999-1996

The following reports were compiled from field studies conducted mainly in eastern South Dakota from the major crops grown in the state. Copies of the reports can be downloaded or printed directly from the window.

(Some reports can be accessed using Adobe Acrobat Reader others can be access by 'Word')

CRP Land

Nitrogen for CRP Acres - 1996-98
Nitrogen Application on Grass - 1998, 1999
Denitrifying Enzyme Activity Versus Depth In A Pothole Wetland - 1998

Crop Rotations and Precision Farming

Soil Fertility and Plant Mineral Nutrition - 1998
Grid Sampling Impact on Potential Precision Farming Nutrient Management Profitability in Two South Dakota Fields - 1998

Corn (Zea mays L.)

Seed Treatment with Associative N-Fixing Bacteria  - 1997
Tillage and P Treatments - 1997, 1998, 1999
Starter P and K (2x2") - 1997, 1999
Starter P and K (seed treatment) in no-till - 1997, 1999
N Source and Timing - 1998
Urea N Timing - 1998, 1999
Limestone Application - 1998, 1999
S and N Application- 1998 , 1999
Fertilizer Amendments (ACA, ASSETT-PPS, Amisorb) - 1996 ,1997
Liquid S and Zinc Effects on Corn and Soybean Yields - 1999
Corn Yield Responses to "M-Pact" Application - 1996
Corn Yield Responses to "Amisorb" Application - 1996
"Critical" P and K Needs for no-till Corn - 1998, 1999
Phosphorus Rate and Placement Effects - 1998, 1999
P Management for No-Till in Northern Cornbelt - 1998
Fertilizer and Soil Test Effects on Corn Yield - 1998
Fertilizer Potassium, Sulfur, Zinc, Phosphorus, Boron and Lime Effects on Corn Yield on High Testing Soils - 1998, 1999
Nitrogen Management in Corn-Soybean Rotation - 1998
Yield Using Reduced Tillage and Conventional Tillage - 1998
Starter N,P and K Placement for no-till Corn - 1998

Soybeans (Glycine max L.)

N Application Rates (Yield and Nodulation) - 1997, 1998, 1999
P Soil Test Level, Row Spacing, Tillage, and Maturity Groups - 1996, 1997, 1998 , 1999, 2000
P Soil Test, Tillage, Maturity Groups - 1996, 1997, 1998, 1999
Starter P and K (Yield and Oil) - 1998
Limestone Application - 1998, 1999
Residual P and K Bands - 1998
Urea N - Agrotain Effects - 1998
N Timing Effects - 1998 , 1999
N Timing/Rate Effects in Irrigation System - 1998
Foliar N Application - 1996
K Foliar Sources - 1996
Foliar N Rates - 1996
Amisorb - 1996
Asset - PPS - 1996
M-Pact - 1996
Soybean Response to Starter Fertilizer and Two Micronutrient Fertilizers from T.J.'s Micromix - 1999
Phosphorus Rate and Placement Effects - 1998 , 1999
P Management for No-Till in Northern Cornbelt - 1998, 1999
Nitrogen Management in Corn-Soybean Rotation - 1998, 1999
Yield Using Reduced Tillage and Conventional Tillage - 1998
S and N Application- 1999
Liquid S and Zinc Effects on Corn and Soybean Yields - 1999
S Influence on Soybeans near Brandt, South Dakota

Spring Wheat (Triticum aestivum L.)
                Late-Season Foliar N Applications on 15 Varieties - 1996, 1997, 1998
                Timing of Foliar N Applications - 1996, 1997, 1998, 1999
                Cl Applications on New Varieties - 1997, 1998, 1999
                Foliar B and Foliar UAN Leaf Burn Treatments - 1996
                Fertilizer Amendments (Amisorb) - 1996, 1997,
                Foliar UAN and Pro-N Applications - 1996
                N Use Efficiency on 15 Varieties - 1996, 1997, 1998
                Sulfur Applications - 1997

                Fertilizer and Soil Test Levels on Yield - 1998, 1999

Winter Wheat (Triticum aestivum L.)
                Late-Season Foliar N Applications on 15 Varieties - 1996, 1997, 1998
                Timing of Foliar N Applications - 1996, 1997, 1998, 1999
                N Rates (Protein and Yield) - 1998, 1999a, 1999b
                N Rate Timing - 1998, 1999
                Micronutrient Treatments - 1997, 1998
                Fertilizer Supplements (Amisorb) - 1996, 1997
                Nitrogen Use Efficiency on 15 Varieties - 1997, 1998
                Chloride Effects - 1998, 1999
                Fertilizer and Soil Test Levels- 1998

Soil And Plant Testing

A Summary of Soil Test Results - 1998, 1999
Fertilizer Potassium, Sulfur, Zinc, Phosphorus, Boron and Lime Effects on Corn Yield on High Testing Soils - 1998 , 1999
The Effects of Different Grinding Treatments on Europa 20-20 Ratio Mass Spectrometer Results - 1998