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1. Soil Test Nutrient Changes Induced by Poultry Litter under Conventional Tillage and No-Tillage

Description:
Includes references
Author:
Schomberg, Harry H. , Endale, Dinku M. , Jenkins, Michael B. , Sharpe, Ron R. , Fisher, Dwight S. , Cabrera, Miguel L. , McCracken, Dan V.
Subject:
soil nutrients , conservation tillage , poultry manure , crop production , Gossypium hirsutum , Zea mays , crop rotation , fertilizers , fertilizer application , soil analysis , soil test values , soil profiles , agricultural soils , temporal variation , depth , application rate , nutrient excess
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

2. 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

3. Yield-based management zones and grid sampling strategies: describing soil test and nutrient variability

Description:
Includes references
Author:
Flowers, M. , Weisz, R. , White, J.G.
Subject:
crop production , crop management , grain yield , Glycine max , soybeans , Triticum aestivum , winter wheat , Zea mays , corn , double cropping , agricultural soils , clay loam soils , soil fertility , spatial variation , sampling , soil test values , nutrient requirements , North Carolina
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005