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| Filter results2 paper(s) found. |
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1. Evaluating the Trade-offs of Cover Crops in Dryland Wheat Systems of the Colorado PlateauOn the semi-arid Colorado Plateau, dryland farmers are challenged by severely degraded soils and low and increasingly unreliable precipitation. Cover crops have been shown to improve soil fertility and mitigate soil erosion in many regions, but are also associated with use of limited soil moisture, a cost that could mean decreased cash crop productivity for farmers. Most literature on cover crops comes from relatively humid climates, where crop yield penalties due to cover crops may be less pronounced.... L. Eash, A. Berrada, K. Russell, S. Fonte |
2. Nitrogen and Sulfur Colimitation to Winter Wheat YieldSulfur has become more limiting for wheat production in the Great Plains, and its deficiency can interact with N availability. The current work reports on yield and yield gaps of three winter wheat varieties as affected by N and S fertilization using the concept of co-limitation (CNS). Field studies evaluating 0, 10, 20 and 40 lbs S/a combined factorials with 50, 100, and 150 lbs N/ac and three hard red winter wheat varieties were conducted in eight environments resulting from the... R. Lollato, B.R. Jaenich, N. Nelson, M. Guttieri, D. Ruiz diaz, V. Sadras |