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1. Long-term Tillage with Winter Wheat Grain Yield in Dryland Cropping SystemLong-term studies are important to improve our understanding and evaluate the sustainability of management practices while mitigating climate change. This study evaluated the winter-wheat grain yield stability under long-term tillage practices. Yield stability was assessed using squared deviation from regression (S2d). This study of winter wheat-fallow rotation was established in 1970 within the High Plains Agricultural Laboratory (HPAL) near Sidney, Nebraska (NE) on Duroc... M. Mikha, C. Creech, L. Aula, A. Easterly |
2. Optimization of Zinc Fertilizer in CottonSemi-arid environments often face many weather-related challenges while overcoming the issues associated with an elevated soil pH (> 7.5). Zinc availability can become more limited as soil pH increases, possibly reducing cotton (Gossypium hirsutum) production. Zinc is an essential micronutrient for cotton and is important from the seedling stage to boll and fiber formation. Because of the many reactions reducing zinc availability in soil, fertilizer source, and application time and method are... K. Lewis, J. Alford |
