Agronomy and Horticulture Department
Date of this Version
1992
Document Type
Article
Abstract
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 Selected Herbicides .......... 59
Tillage, Rotation and N Rate Effects on Dryland Corn Production and Nitrogen Uptake in Northeastern Nebraska .......... 63
Quantifying Nitrate Leaching Under Continuous Com Versus a Corn-Soybean Rotation .......... 73
Cover Crop Dry Matter Production for Several Planting and Harvest Dates .......... 79
Nutrient and Mass Loss of Beef Feedlot Manure During Composting .......... 83
Effect of Residual Phosphorus Bands on Crop Yield and Their Persistence in the Soil .......... 87
Comparison of Erosion Rates Estimated Using the Cesium-137 Methods and USLE .......... 95
Erosion Patterns Using Geostatistical Analysis of 137 Cesium .......... 101
Long-Term Applications of Manure and Fertilizer in Irrigated Corn .......... 109
Evaluation of Tillage, Rotation, Nitrogen and Cover crop Effects on Nitrogen cycling .......... 115
Comments
Published in Soil Science Research Report (1992) 121 pages.