Search National Agricultural Library Digital Collections

Displaying all 4 items start over

1. Agroecosystem management effects on soil carbon and nitrogen

Description:
Includes references.
Author:
Wood, C.W. , Edwards, J.H.
Subject:
tillage , conservation tillage , continuous cropping , crop rotation , Triticum aestivum , Zea mays , Glycine max , soil fertility , nitrogen , carbon , soil organic matter , crop residues , mineralization , nutrient availability , soil depth , biological activity in soil , subtropics , conventional tillage , Alabama
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1992

2. Lime and phosphorus interactions on growth and nutrient uptake by upland rice, wheat, common bean, and corn in an oxisol

Description:
Includes references
Author:
Fageria, N.K. , Zimmermann, F.J.P. , Baligar, V.C.
Subject:
Oryza sativa , Triticum aestivum , Phaseolus vulgaris , Zea mays , nutrient uptake , phosphorus , nutrient availability , liming , dry matter accumulation , roots , shoots , nutrients , trace elements , nutrient-nutrient interactions , Oxisols , soil fertility , application rate
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1995

3. Long-Term Agronomic Performance of Organic and Conventional Field Crops in the Mid-Atlantic Region

Description:
Includes references
Author:
Cavigelli, M.A. , Teasdale, J.R. , Conklin, A.E.
Subject:
Zea mays , corn , Triticum aestivum , wheat , Glycine max , soybeans , organic production , grain yield , long term experiments , crop yield , farming systems , no-tillage , crop rotation , chiseling , hay , nitrogen , nutrient availability , weeds , plant density , sustainable agriculture , Maryland
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

4. Soil-test values after eight years of tillage research on a Norfolk loamy sand

Description:
Includes references
Author:
Karlen, D.L. , Berti, W.R. , Hunt, P.G. , Matheny, T.A.
Subject:
soil test values , coastal plain soils , soil fertility , conservation tillage , loamy sand soils , Zea mays , Triticum aestivum , Glycine max , nutrient offtake , soil nutrients , nutrient availability , soil pH , phosphorus , calcium , magnesium , soil organic matter , crop production , corn , wheat , soybeans , crop yield
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1989