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1. Relationship Between Plant Nitrogen and NDVI of Cotton on the Texas High PlainsNitrogen (N) is one of the most limiting factors in Texas High Plains cotton production (Bronson et al., 2001). Nitrogen build-up in cotton is near maximum for the season at first open boll, when leaf senescence begins (Li et al., 2001). Lint yield response to N is difficult to predict due to N response relying on water management and initial soil nitrate (NO3--N) (Morrow and Krieg, 1990). Normalized difference vegetative index (NDVI) is a tool that has been used to manage... A. Bumguardner, K. Lewis, G. Ritchie, K. Bronson, M. Maeda |
2. Snapshot of Crop Nutrient Balance with Use of a Rye Cover Crop in a Corn-soybean Rotation Under Tile Drainage in Eastern South DakotaThe purpose of this study was to evaluate the effect of using a winter rye cover crop within a corn/soybean rotation (rye seeded every fall and burned down each spring) on drainage water quality, crop nutrient status, and grain yield. Use of a winter rye cover crop to take up available N from the soil profile is a management tool that may help to lessen nutrient movement out of the soil profile while at the same time contributing to improved soil health. Winter rye is very winter hardy... P. Sexton, S. Kumar, S. Osborne, B. Brockmueller, A. Bly, B. Rops, A. Bawa, S. Bauder, J. Mcmaine |
3. Stacking Nutrient 4Rs on Potato and WheatThe 4 Rs of nutrient management are a set of research-based guidelines for farmers to use when applying fertilizers to their crops. The aim of the 4 Rs is to improve the sustainability of major cropping systems and the environment without compromising crop yield and quality. The objective for this project is to evaluate individual and stacked 4 R management practices and how they intersect. We conducted this experiment on a Russet Burbank potato crop grown at a field near Grace, Idaho in 2020.... S.H. Stapley, N.C. Hansen, M.A. Yost, E.A. Woolley, B.G. Hopkins |