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Soil Science Research Reports

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    Date of this Version

    1991

    Document Type

    Article

    Comments

    Published in Soil Science Research Report (1991) 139 pages.

    Abstract

    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 Placement Under Three Tillage Systems in a Wheat Fallow Rotation (R. A. Nielsen, D. D. Baltensperger and F. N. Anderson) .......... 25

    Evaluation of Soil Testing for Nitrate-Nitrogen (Edwin J. Penas) .......... 29

    Quantifying Nitrate Leaching Under Continuous Corn Versus a Corn-Soybean Rotation (Norman L. Klocke, Gary W. Hergert, and Joel P. Schneekloth) .......... 35

    Influence of Early Ammonium Nutrition of Corn Growth & Grain Yield (Gary W Hergert) .......... 41

    Winter Crop Effects on Nitrogen Management of Irrigated Corn (Richard B. Ferguson, James F. Power, and Glen P. Slater) .......... 51

    Nitrogen Fertilization of Corn Following Soybean (R. B. Ferguson, R. Selley, and G. P. Slater) .......... 59

    Nitrogen Fertilization of Smooth Brome 1989, 1990, 1991 (R. B. Ferguson and G. P. Slater) .......... 65

    The Effects of a Urease Inhibitor on Volatile Ammonia Loss and Urea Hydrolysis on Irrigated, Ridge Till Corn (Timothy L. Murphy and Richard B. Ferguson) ..........71

    Burlington Northern Nitrogen Management Study (R. B. Ferguson, G. W. Hergert, J. S. Schepers, and G. P. Slater) .......... 77

    Effect of PB-50 (penicillium Bilagi) on Phosphorus Fertilizer Efficiency for Wheat and Soybeans (D. H. Sander) .......... 91

    Fertilizer P Distribution in Bands and Wheat Yield (D. H. Sander) ..........97

    Long Term Effects of Different Methods of Applying P on Crop Yields (D. H. Sander and M. A. Zerkoune) .......... 99

    Effect of Residual Phosphorus Bands on Crop Yield and Their Persistence in the Soil (M. A. Zerkoune, D. A. Shapiro and D. H. Sander) .......... 103

    Increasing Anhydrous Ammonia Efficiency of Irrigated Corn in Nebraska (M. Marake, D. H. Sander, and D. T. Walters) .......... 113

    Effect of Nitrogen Rates and P Placement Methods on Corn Grain Production on a High Calcareous Rainfed Soil in Northeast Nebraska (Charles A. Shapiro) .......... 121

    Tillage, Rotation and N Rate Effects on Dryland Corn Production and Nitrogen Uptake in Northeastern Nebraska (D. T. Walters and C. A. Shapiro) .......... 125

    Evaluation of Tillage, Rotation, Nitrogen and Cover Crop Effects on Nitrogen Cycling (K. Anabayan, D. T. Walters and D. H. Sander) .......... 135

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