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Subjects United States Remove constraint United States: United States Subjects cropping systems Remove constraint cropping systems: cropping systems Subjects legumes Remove constraint legumes: legumes

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1. Evaluation of dairy manure nitrogen-15 enrichment methods on short-term crop and soil nitrogen budgets

Description:: Includes references
Author:: Powell, J.M. , Kelling, K.A. , Munoz, G.R. , Cusick, P.R.
Subject:: cover crops , crop production , crop management , cropping systems , field crops , grasses , costs and returns , crop yield , legumes , literature reviews , cattle manure , nitrogen , stable isotopes , isotope labeling , nitrogen content , soil amendments , soil nutrient balance , soil fertility , soil nutrients , agricultural soils , silt loam soils , nutrient uptake , Zea mays , corn , United States , Michigan
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2005

2. Soil and water conservation advances in the semiarid Northern Great Plains

Description:: Includes references
Author:: Tanaka, Donald L. , Lyon, Drew J. , Miller, Perry R. , Merrill, Stephen D. , McConkey, Brian G.
Subject:: soil conservation , water conservation , semiarid zones , semiarid soils , cropping systems , fallow , tillage , no-tillage , precipitation , soil water , crop production , wheat , legumes , grain crops , agricultural policy , crop management , history , Great Plains region , Canada , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010