Plant Sciences Commons^™

Soil Science Research Report - 1992

Soil Science Research Reports

Weather Data - 1992 .......... 1

Influence of Anhydrous Ammonia Band Spacing on Irrigated Corn Grain Yield and Band Persistence .......... 9

Variable Rate Nitrogen Fertilization with Furrow Irrigation - Milton Ruhter Farm .......... 17

Burlington Northern Nitrogen Management Study .......... 25

The Effects of a Urease Inhibitor on Volatile Ammonia Loss and Urea Hydrolysis on Irrigated, Ridge Till Com .......... 37

Nitrogen Fertilization of Smooth Brome .......... 43

Evaluation of Soil Testing for Nitrate-Nitrogen .......... 47

Horizontal Sampling to Assess Agrichemical Movement .......... 55

Water Movement in Soils and Porous Media .......... 57

A Natural Gradient Transport Study of …

Soil Science Research Report - 1991

Soil Science Research Reports

Climate Weather Data Collection Points .......... 1

Weather Data 1991 Reported from Research Centers .......... 2

Flow of Water and Particles in Soils and Porous Media (D. Swartzendruber) .......... 9

Soil Respiration in Ridge Till (M. A. Liebig, A. J. Jones, J. W. Doran, and L. N. Mielke) .......... 11

Wheel Traffic Effects on Soil Properties in Ridge Till (M. A. Liebig, A. J. Jones, L. N. Mielke, and J. W. Doran) .......... 15

Fallout Cesium - 137 to Assess Soil Erosion (T. Oztas, A. J. Jones, L. N. Mielke and R. Grossman) .......... 21

Response of Wheat to Phosphorus …

Soil Science Research Report - 1990

Soil Science Research Reports

Weather Data 1990 Reported from Research Centers ............. 1

Evaluation of Soil Testing for Nitrate-Nitrogen (E.J. Penas) ............. 7

Dynamics of Water in Rigid and Swelling Soils (Dale Swartzendruber) ............. 13

Atrazine Movement as Affected by Pore Size Distribution in a Silt Loam Soil (J.U. Baer, W.L. Powers, P.J. Shea, D.A. Tupy, and C.L. Stueffer-Powell) ............. 15

Effects of Residual Phosphorus Bands on Crop Yield and Their Persistence in the Soil (Mohammed A. Zerkoune, C.A. Shapiro, and D.H. Sander) ............. 19

Nitrogen Fertilization of Smooth Brome (A.B. Ferguson and G.P. Slater) ............. 23

The Effects of a Urease Inhibitor on …

Soil Science Research Report - 1989

Soil Science Research Reports

Tillage Experiments

Increasing Nitrogen Use Efficiency by Dryland Sorghum Under Conventional and No-tillage Systems ............ 1

The Effect of Phosphorus Rate, Method of Application, and Tillage on Soybean Yield in Nebraska ............ 6

Tillage, Rotation and N Rate Effects on Dryland Com Production and Nitrogen Uptake in Northeastern Nebraska ............ 15

Fertilizer

Effect of Lime Application on Soil pH and Com Yield in Holt County ............ 22

Evaluation of the Influence of Starter Fertilizer on Com and Grain Sorghum, 1989 ............ 24

Fertilizer P Distribution and Wheat Yield ............ 26

Field Evaluation to Determine Best Fluid Starter Fertilizer for Com …

Soil Science Research Report - 1988

Soil Science Research Reports

Tillage Experiments

An Economic and resource analysis of deep tillage to reduce soil compaction for crop production .......... 1

Effect of phosphorus rate, method of application and tillage on soybean yield in Nebraska .......... 7

Increasing nitrogen use efficiency by dryland sorghum under conventional disk and no-tillage systems .......... 13

Nitrogen placement evaluation for winter wheat in three fallow tillage systems ....... 19

On the infiltration characteristics between tillage/residue soil condition and rainfall .......... 24

Tillage influence on soybean production .......... 26

Tillage, rotation and N effects on dryland corn production and nitrogen uptake in Northeastern Nebraska .......... 30

Fertilizer …

Soil Science Research Report - 1987

Soil Science Research Reports

Tillage Experiments

Economic and resource analysis of deep tillage to residue soil compaction for soybean production .......... 1

Increasing nitrogen use efficiency by dry land sorghum under conventional disk and no-tillage systems .......... 6

The effect of tillage, residue, precipitation intervals and soil properties on soil crust characteristics .......... 11

Tillage influence on soybean production and soil properties .......... 15

Tillage, rotation and N rate effects on dry land corn production and nitrogen uptake in northeastern Nebraska .......... 18

Soybean Experiments

Effect of potassium salts on chlorosis and yield of soybeans .......... 23

The effect of Fe-EDDHA on soil and …

Soil Science Research Report - 1986

Soil Science Research Reports

Wheat Experiments

Effect of Long Term Seed and Broadcast P on Winter Wheat Yields .......... 1

Effect of Method and Time of P Application on Winter Wheat Grain yield .......... 3

Corn Experiments

BKR Demonstration Farm - Comparison of Lime Sources and Rates in a Corn-Soybean Rotation .......... 5

Effect of Band Spacing on the Effectiveness of Dual Placed N and P on Corn Yield and P Uptake .......... 8

Effect of Broadcast Phosphorus on P Response of Ridge-Planted Corn .......... 10

High Yield Corn-Soybean-Wheat Rotation Study .......... 12

The Influence of Soil Bulk Density, Soil Water Regime and Fertilization …

Soil Science Research Report - 1985

Soil Science Research Reports

Wheat Experiments

Effect of Super Slurper and Phosphorus (P) on Corn and Wheat Yield ......................1

Selection of Time and Source of Nitrogen for Increased Efficiency of Applied Nitrogen ...................... 4

Effect of Method(s) of Applying P on Winter Wheat Grain Yield ...................... 8

Effect of Timing of Knifed in P on Winter Wheat Grain Yield ...................... 10

Winter Wheat Yield and Grain Quality as Influenced by Dynam (Lenaire product) ...................... 13

Corn Experiments

Effect of Spacing of Phosphorus Fertilizer Band on the Yield and Plant P Uptake of Corn ...................... 19

High Yield Corn-Soybean-Wheat Rotation Study ...................... 25

Fertilizer Management …

Soil Science Research Report - 1984

Soil Science Research Reports

Soil Water and Water Related Studies

Effect of Irrigation on Salt and Sodium Content of Salt Affected Soils in Central Nebraska .......... Section 1

Physics of Water in Soils and Porous Media .......... Section 2

Objective Indices of Water Regimes for Comparison Purposes .......... Section 3

Water by Nutrient Interaction Studies

Effects of Oscillations in Water Levels on Nutrient Uptake .......... Section 4

Yield, Water Use, and Nutrient Uptake of Corn Hybrids Under Varied Irrigation and Nitrogen Regimes .......... Section 5

Effect of Sprinkler Irrigation Timing and Amount on Yield of Different Winter Wheat Varieties .......... Section 6

Fertilizer Experiments …

Soil Science Research Report- 1983

Soil Science Research Reports

Corn Experiments

Residual Effects of Nitrification Inhibitor for Irrigated Corn ........... Section 1

High Yield Corn-Soybeans-Wheat Rotation Study ........... Section 2

Influence of Interseeded Alfalfa or Rye in Irrigated Corn Production ........... Section 3

Maximizing Fertilizer N and Water Use Efficiency on Irrigated and Rainfed Corn ........... Section 4

Placement of N and P Fertilizers for Minimum Till corn under Sprinkler Irrigation ........... Section 5

Wheat Experiments

Increasing Fertilizer P and N Efficiency on Winter Wheat and Corn ........... Section 6

Phosphorus Rate and Method of Application on Winter Wheat in Southeast Nebraska ........... Section 7

Soybean Experiments

Lime-Induced Chlorosis …

Soil Science Research Report - 1982

Soil Science Research Reports

Corn Experiments

Improving Nitrogen Fertilizer Recommendations for Corn .......... Section 1

The Influence of 7-21-7 Plus Ammonium Thiosulfate Knifed-in With Anhydrous Ammonia on Yield of Irrigated Corn Grown on Calcareous Soil .......... Section 2

Interseeded Rye and Alfalfa in Irrigated Corn Production .......... Section 3

Maximizing Fertilizer N and Water Use Efficiency on Irrigated and Rainfed Corn .......... Section 4

Nitrogen Balance for Continuous Corn .......... Section 5

High Yield Corn-Soybeans-Wheat Rotation Study .......... Section 6

Wheat Experiments

Dual Placement of Nitrogen and Phosphorus on Winter Wheat .......... Section 7

Effect of Depth of P Application on the Yield of …

Soil Science Research Report - 1981

Soil Science Research Reports

Corn Experiments

Application of Fertilizer with Tillage Equipment Used in Row Crop Production .......... Section 1

The Influence of Source of N, N Rates, and a Nitrification Inhibitor on the Yield of Pivot Irrigated Corn Grown on a Sandy Loam Soil .......... Section 2

The Influence of Two Different Starter Fertilizers on Grain Yield of Eight Hybrid Varieties Grown on Cass Fine Sandy Loam Containing Free Lime .......... Section 3

The Influence of Limestone and Promesol-30 on Soil pH and Yield of Irrigated Corn Grown on a Crete Silty Clay Loam Soil .......... Section 4

The Influence of Acid-forming Material …

Soil Science Research Report - 1980

Soil Science Research Reports

Corn Experiments

Improving Nitrogen Fertilizer Recommendations on Corn .......... Section 1

Anhydrous Ammonia and N-Serve for Irrigated Corn .......... Section 2

Nitrogen Management for Irrigated Corn and Grain Sorghum .......... Section 3

Effect of Different Methods of P Application on Irrigated Corn Production ..... Section 4

Improving the Efficiency of Fertilizer N Use by Irrigated Corn .......... Section 5

Influence of Rates of K and MG for Corn Production on Irrigated Sandy Soils .......... Section 6

Application of Sulfur for Irrigated Corn on Sandy Soils .......... Section 7

Effect of Different Planting Systems and Row Applied P on Corn Yields …

Soil Science Research Report - 1979

Soil Science Research Reports

Corn Experiments

Nitrogen Rates on Corn ................ Section 1

Anhydrous Ammonia and N-Serve for Irrigated Corn ................ Section 2

Placing Ammonia and APP Together for Irrigated Corn Production ................ Section 3

Nitrogen Rate and Source Studies for Corn Grown in an Ecofallow Rotation ................ Section 4

Comparison of Standard Nitrogen Fertilizers with Delayed Release and Nitrification Inhibiting Materials for Irrigated Corn on Sharpsburg/Bu1ter ................ Section 5

Nitrogen Balance Under Irrigated Corn Using ¹⁵N-Depleted Fertilizer ........... Section 6

Improving the Efficiency of Fertilizer N Use by Irrigated Corn ................ Section 7

Effect of Fertilizer Phosphorus Placement on Corn Yields in …

Soil Science Research Report - 1978

Soil Science Research Reports

Corn Experiments

Nitrogen Rates on Corn .................. Section 1

Nitrogen Rates for Corn Grown in an Eco-fallow Rotation .................. Section 2

Anhydrous Ammonia and N-Serve for Irrigated Corn .................. Section 3

Nitrogen Losses from Sprinkler Applied Nitrogen Fertilizer .................. Section 4

Application of Sulfur for Irrigated Corn on Sandy Soils .................. Section 5

Lime and Boron for Corn .................. Section 6

Influence of Salt Content of Fertilizer and Distance from the Seed on Emergence and Yield of Corn .................. Section 7

Evaluation of Tillage Systems for Corn Production on a Silty Loam Soil in Northeast Nebraska .................. Section 8

Effect …

Soil Science Research Report - 1977

Soil Science Research Reports

Corn Experiments

Nitrogen Rates on Corn .............. Section 1

Nitrogen Rates for Corn Grain in an Eco-fallow Rotation .............. Section 2

Anhydrous Ammonia and N-Serve^R for Irrigated Corn .............. Section 3

Anhydrous Ammonia and N-Serve^R Fall Applied .............. Section 4

Evaluation of Cold-Flow™ Method of Applying Anhydrous Ammonia .............. Section 5

Influence of Nitrogen Applied at Silking with a Hi-boy on Irrigated Corn ...... Section 6

Effect of Broadcast Phosphorus, Potassium and Zinc for Irrigated Corn on Sandy Soils .............. Section 7

Lime and Boron for Corn .............. Section 8

Effect of Irrigation Well Capacity and Plant Population …