Search National Agricultural Library Digital Collections
Displaying
all 2 items
start over
- Description:
- Includes references
- Author:
- Singer, J.W. , Chase, C.A. , Karlen, D.L.
- Subject:
- Zea mays , corn , continuous cropping , Glycine max , soybeans , crop rotation , Medicago sativa , alfalfa , cropping sequence , no-tillage , plowing , chiseling , grain yield , crop yield , costs and returns , profitability , New Jersey
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2003
- Description:
- Includes references
- Author:
- Singer, J.W. , Kohler, K.A. , Liebman, M. , Richard, T.L. , Cambardella, C.A. , Buhler, D.D.
- Subject:
- Zea mays , corn , Glycine max , soybeans , Triticum aestivum , wheat , Trifolium , crop rotation , cropping sequence , pig manure , composted manure , organic fertilizers , fertilizer application , fertilizer rates , no-tillage , chiseling , plowing , soil fertility , grain yield , air temperature , precipitation , soil nutrients , soil organic matter , phosphorus , potassium , nutrient content , soil depth , silty soils , clay loam soils , loam soils , Endoaquolls , Hapludolls , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2004