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1. Soil Quality and Nitrogen Availability After Eight Years of a Mixed Cover Crop - Wheat RotationDespite a large interest in cover crops in the northern Great Plains, little is known about their effect on both the following wheat crop and soil quality. In 2012, a cover crop study was started in Montana to compare wheat production and soil quality after growing cover crop mixes containing 2-, 6-, or 8-species, with both summer fallow and a sole pea cover crop control, in a 2-yr rotation with wheat. The 2-species mixes represented functional groups (legumes, brassicas, tap rooted, or fibro... C. Jones, P. Miller, C. Zabinski, K. D'agati |
2. Phosphorus Fertilizer Management and Cover Crop Effects on Phosphorus Loss from No-till Corn and Soybean.Loss of phosphorus from non-point source agricultural sources is a known contributor to the degradation and contamination of surface waters. Therefore, it is imperative to adapt agricultural best management practices which promote and preserve surface water quality. The goal of this study was to quantify the impacts of phosphorus fertilizer management practice (placement and timing) and winter cover crop on concentrations of total suspended solids, total phosphorus, and dissolved reactive pho... E. Carver, N. Nelson, K. Roozeboom, G. Kluitenberg, P. Tomlinson, J. Williams |
3. 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 und... P. Delaune, K. Lewis, P. Mubvumba |