Soil Science Research Report - 1989

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 ............ 28 Increasing Anhydrous Ammonia Efficiency .................. 34 Managing Nitrogen More Effectively for Reduced Costs and Environmental Hazards ............ 36 Using Nitrogen Fertilizer According to Soil Test ............ 4