Search National Agricultural Library Digital Collections

You searched for:

Subjects United States Remove constraint United States: United States Subjects cropping systems Remove constraint cropping systems: cropping systems Subjects Zea mays Remove constraint Zea mays: Zea mays

Displaying all 2 items start over

1. Comparing production practices and costs for continuous corn and corn-soybean cropping systems

Description:: Includes references
Author:: Daberkow, S. , Payne, J. , Schepers, J.
Subject:: crop production , cropping systems , corn , soybeans , crop yield , crop prices , continuous cropping , crop rotation , Zea mays , Glycine max , crop residues , crop residue management , nutrient management , fertilizer application , application rate , application timing , input costs , pest management , crop acreage , United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2007

2. 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