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1. Combined Nitrogen with Magnesium or Zinc Effects on Sugarbeet Yield Sucrose Concentration, and Nutrient Uptake Under Conventional and No-till SystemsSugar beet (Beta vulgaris L.) is an important cash crop in the Lower Yellowstone River valley. Fertility, especially nitrogen (N) fertilizer, management is critical for sugar beet yield and sucrose concentration. While farmers are switching from a conventional tillage method to a no-till system for sugar beet cultivation, nitrogen (N) fertilizer application timing might need to be adjusted. Furthermore, micronutrients may enhance sugar beet yield and sucrose concentration. A two-year... C. Chen, M. Etesami, M. Abdelhamid |
2. Soil Properties and Winter Wheat Nutrient Uptake As Affected by Long-term Tillage and Nitrogen FertilizationKnowledge gained on the long-term effects of crop management practices on soil fertility is critical in developing nutrient management strategies to optimize crop yields and environmental sustainability in semi-arid cropping systems. This study examined the long-term effects of nitrogen (N) fertilizer management and tillage intensity [conventional tillage (CT), and no-tillage (NT)] on soil properties and nutrient uptake in a dryland wheat-sorghum-fallow cropping system. Results showed winter wheat... A. Obour, J. Holman, L. Simon, Y.M. Assefa |
3. Summer Annual Legumes: Yield Potential and Water UseDue to the decline of the Ogalla Aquifer and reduced irrigation capacity, there is a growing interest in more water-efficient cropping systems in the semi-arid central Great Plains. One of the most water-intense crops grown on the semi-arid central Great Plains is alfalfa (Medicago sativa L.). Alfalfa is grown for its nutritive value and protein, which is highly desired by cow/calf, feed yards, and dairies of the central and southern Great Plains. The purpose of this study was to evaluate... J. Holman, N. Detter, A. Obour, L. Haag, K. Roozeboom |
