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| Filter results2 paper(s) found. |
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1. Cover Cropping in the Semi-arid West: Effects of Termination Timing, Species, and Mixtures on Nitrogen Uptake, Yield, Soil Quality, and Economic ReturnSummer fallow still dominates some areas of the northern Great Plains (NGP), providing an opportunity to grow a partial season cover crop for increased soil health or nutrient availability. Over 12 years of research on single species cover crops in semi-arid Montana have revealed the benefits of early termination and multiple cover crop cycles on N availability, subsequent crop yield, soil health, and economic return. Due to high N fixation, pea cover crops have fairly consistently increased subsequent... C. Jones, P. Miller, S. Tallman, M. Housman, C. Zabinski, M. Burgess, J. O'dea, A. Bekkerman |
2. Ammonia Volatilization from Surface-applied Dairy Manure Anaerobic DigestateAnaerobic digesters are becoming increasingly common in the dairy industry as a more environmentally sustainable method to manage manure. However, the impact of the anaerobic digestion process on manure ammonium (NH4-N) composition and ammonia (NH3) volatilization potential are not well understood. The objectives of this study were to compare NH4-N concentrations and cumulative loss of NH3 by volatilization between influent, or raw manure, and effluent,... C. Butler, A. Moore, S.B. Kulesza |