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Subjects corn Remove constraint corn: corn Subjects economic analysis Remove constraint economic analysis: economic analysis Subjects forage legumes Remove constraint forage legumes: forage legumes

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1. Agronomic and Economic Performance Characteristics of Conventional and Low-External-Input Cropping Systems in the Central Corn Belt

Description:: Includes references
Author:: Liebman, M. , Gibson, L.R. , Sundberg, D.N. , Heggenstaller, A.H. , Westerman, P.R. , Chase, C.A. , Hartzler, R.G. , Menalled, F.D. , Davis, A.S. , Dixon, P.M.
Subject:: Zea mays , corn , agronomic traits , economic analysis , profitability , low input agriculture , Glycine max , soybeans , field crops , Trifolium pratense , forage legumes , Medicago sativa , alfalfa , forage crops , nitrogen fertilizers , fertilizer rates , crop rotation , herbicides , weed control , weeds , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008

2. Profitability of Cropping Systems Featuring Tillage and Compost

Description:: Includes references
Author:: Singer, Jeremy W. , Chase, Craig A. , Kohler, Keith A.
Subject:: Zea mays , corn , Triticum aestivum , wheat , Glycine max , soybeans , field crops , Trifolium , forage legumes , forage crops , cropping systems , crop rotation , profitability , crop management , plowing , no-tillage , composted manure , organic fertilizers , species differences , economic analysis , crop yield , synergism , chiseling
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010