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1. Nitrogen Availability Following Cover Crops in TX Cropping SystemsCover crops have been heavily promoted to improve soil health and function in US agricultural productions systems. Within semi-arid environments, interest in cover crops continues to grow although several concerns hinder adoption. As soil water use by cover crops is often a chief concern, nutrient availability to subsequent crops is also a concern. The objective of this study was to measure soil chemical and biological properties following various cover crops in a continuous cotton system under... P. Delaune, K. Lewis, P. Mubvumba |
2. Nutrient Partitioning Changes in the Past 30 Years of Cotton ProductionModern cotton (Gossypium hirsutum L.) cultivars are more compact and efficient due to optimization of genetics and changed management practices in the past 30 years. The most recent work evaluating nutrient uptake by cotton was done in early 1990s, hence a need to re-evaluate the nutrient accumulation and requirements in modern high productivity cultivars. The objective of this study was to compare the resource allocation of modern cotton cultivars (PM HS26, FM 958, and DP 1646)... I.B. Pabuayon, G. Ritchie, K. Lewis |
3. Lentil Inoculant, Potassium, Sulfur, and Micronutrient Effects on Yield and Protein in the Northern Great PlainsLentil (Lens culinaris Medikus) is an important crop, averaging more than 600,000 ac in MT and ND from 2016-20. However, relatively little is known about inoculant and fertility response in lentil in the U.S. northern Great Plains. The objective of this experiment was to evaluate the effect of rhizobial inoculant formulations (granular and seed-coat) and nutrient additions (K, S, and micronutrients), on lentil growth, yield, and seed protein. This study was conducted at six or seven university... P. Miller, C. Jones, S. Atencio, C. Chen, E. Eriksmoen, S. Fordyce, P. Lamb, M. Ostlie, J. Rickertsen, M.A. Grusak, M. Bourgault, B. Franck, P. Carr, S. Koeshall, K. Baber |
4. Composted Manure Impacts on Organic Wheat Production in the Northern Great PlainsMontana leads the nation in organic production of small-grain crops including wheat (Triticum spp.). A major challenge faced by dryland farmers when growing wheat organically is supplying adequate N for optimum wheat yield and quality. A onetime application of composted manure at four rates (0, 5.6, 11, and 22 tons/acre) vs. annual applications of urea based on soil test results when growing wheat in wheat/fallow and wheat + biennial sweetclover [(Melilotus officinalis (L.)... P. Carr, M.M. Volkman |