Research Projects
Thematic Soil Mapping and Crop-Based Strategies for Site-Specific Management A. Dobermann Nebraska Soil Fertility Project A. Dobermann, R. Ferguson, C. Shapiro, D. Tarkalson, D. Walters, C. Wortmann Ecological Intensification of Irrigated Corn-based Cropping Systems T.J. Arkebauer, K.G. Cassman, R.A. Drijber, A. Dobermann, J.L. Lindquist, J.P. Markwell, L.A. Nelson, J.E. Specht, D.T. Walters, H.Y. Yang The Effect of Potassium on Corn Stalk Strength and Yield A. Dobermann and C. Shapiro UNL Carbon Sequestration Program S. Verma, K. Cassman, T. Arkebauer, A. Dobermann, A. Gitelson, K. Hubbard, J. Knops, D. Walters Agronomic, Economical, and Environmental Impact of Land Applying Biosolids D. Binder, D. Sander, K. Frank ,W. Shires , K. Cassman, A. Dobermann Validate lime recommendations for the corn-soybean rotation C. Wortmann Soil test phosphorus target levels for corn C. Shapiro Effects of fertility programs on rainfed corn yield C. Shapiro Effects of P bands on alfalfa production C. Shapiro Effects of nitrogen timing on irrigated corn grown on sandy ground C. Shapiro, B. Kranz, R. Atkeson Irrigated pasture nitrogen uptake compared to row crops C. Shapiro and B. Kranz Effects of tillage, nitrogen and rotation on corn and soybean yield C. Shapiro and D. Walters Phytotoxcity of swine effluent on agronomic crops in Nebraska C. Shapiro, C. Wortmann, B. Kranz Relationship of organic to inorganic P ratios to plant P phosphorus bioavailability, uptake, and mycorrhizal establishment M. Mamo Effect of soil pH stratification and lime application strategies on plant growth, root development, soil chemistry, and mycorhhizal relationships M. Mamo Soil and water management in semi-arid region of eastern Africa C. Wortmann and M. Mamo Pollution and economic decision support tool for impaired watershed management plans in eastern Nebraska D. Ginting, G. Helmers, M. Mamo, C. Wortmann, B. Eghball Soybean N credit verified for milo C. Wortmann Starter fertilizer for corn and sorghum production under no-till conditions C. Wortmann The effect of occasional tillage in no-till systems on crop yield, soil organic matter and soil physical and biological properties C. Wortmann and M. Mamo Determination of manure P availability as affected by manure type C. Wortmann and M. Mamo Crop response to applied manure as affected by soil properties C. Wortmann The residual effect of composted manure application on P loss to runoff and erosion C. Wortmann and D. Walters Improving the profitability of soybean cropping through capturing more yield potential A. Dobermann, J. Specht, K. Cassman, H. Yang