Search National Agricultural Library Digital Collections
Limit your search
Authors
-
Kanwar, R.S. (5)
-
Heilman, P. (4)
-
Ma, L. (4)
-
Karlen, D.L. (3)
-
Malone, R.W. (3)
-
Ahuja, L.R. (2)
-
Hatfield, J.L. (2)
-
Meade, T. (2)
-
Saseendran, S.A. (2)
-
Adamsen, F.J. (1)
- more »
Displaying items
1 - 10 of
18
start over
- Description:
- Includes references
- Author:
- Delgado, J.A. , Dillon, M.A. , Sparks, R.T. , Essah, S.Y.C.
- Subject:
- literature reviews , cover crops , irrigation requirement , crop yield , nutrient use efficiency , water use efficiency , environmental impact , pollution control , water quality , soil conservation , water conservation , cropping systems , food quality , erosion control , cooperative research , Agricultural Research Service , Natural Resources Conservation Service , universities , university research , field experimentation , on-farm research
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Malone, R.W. , Ma, L. , Karlen, D.L. , Meade, T. , Meek, D. , Heilman, P. , Kanwar, R.S. , Hatfield, J.L.
- Subject:
- crop yield , nitrates , prediction , losses from soil , subsurface drainage , regression analysis , multivariate analysis , Zea mays , Glycine max , crop rotation , fertilizer application , urea ammonium nitrate , nitrogen , leaching , autumn , spring , equations , agricultural soils , rain , water quality , statistical models , pig manure , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Torbert, H. Allen , Gerik, Thomas J. , Harman, Wyatte L. , Williams, Jimmy R. , Magre, Melanie
- Subject:
- poultry manure , application timing , fertilizer application , pollution control , water quality , water pollution , cool season grasses , warm season grasses , agricultural runoff , seasonal variation , nitrogen , phosphorus , nutrient uptake , statistical models , simulation models , nonpoint source pollution , forage grasses , crop yield , mineral fertilizers , winter , computer analysis , losses from soil , Alabama
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2008
- Description:
- Includes references
- Author:
- Malone, R.W. , Huth, N. , Carberry, P.S. , Ma, L. , Kaspar, T.C. , Karlen, D.L. , Meade, T. , Kanwar, R.S. , Heilman, P.
- Subject:
- agricultural soils , tile drainage , leaching , nitrates , losses from soil , continuous cropping , crop rotation , crop yield , Zea mays , Glycine max , simulation models , prediction , winter wheat , Triticum aestivum , water quality , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Wang, X. , Harmel, R.D. , Williams, J.R. , Harman, W.L.
- Subject:
- hydrologic models , watersheds , water quality , poultry manure , corn , Zea mays , winter wheat , Triticum aestivum , crop yield , agricultural runoff , losses from soil , soil nutrients , sediments , pollution load , sediment yield , nonpoint source pollution , simulation models , computer software , fertilizer application , application rate , soil erosion , equations , Texas
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2006
- Description:
- Includes references
- Author:
- Nair, Sujithkumar Surendran , King, Kevin W. , Witter, Jonathan D. , Sohngen, Brent L. , Fausey, Norman R.
- Subject:
- conservation practices , corn , crop yield , environmental impact , hydrologic models , nitrogen , nutrient balance , pollution load , prediction , soil analysis , soil water , soybeans , stream flow , streams , water quality , watersheds , wheat , Ohio
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2011
- Description:
- Includes references
- Author:
- Ayars, James E. , Shouse, Peter , Lesch, Scott M.
- Subject:
- Medicago sativa , alfalfa , drainage water , saline water , irrigated farming , water reuse , salt tolerance , evaporation , groundwater , water uptake , water quality , water table , electrical conductivity , soil salinity , leaching , crop yield , sustainable agriculture
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2009
- Description:
- Includes references
- Author:
- Adamsen, F.J.
- Subject:
- Zea mays , crop yield , sprinkler irrigation , microirrigation , irrigation water , water quality , coastal plains , loam soils , sandy soils , soil pH , rain , sodium , calcium , soil salts , Virginia
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1992
- Description:
- Includes references
- Author:
- Endale, Dinku M. , Schomberg, Harry H. , Jenkins, Michael B. , Franklin, Dory H. , Fisher, Dwight S.
- Subject:
- no-tillage , rain , poultry manure , organic fertilizers , infiltration (hydrology) , soil water content , soil organic matter , nitrogen , soil organic carbon , earthworms , biological activity in soil , crop yield , cotton , Gossypium hirsutum , corn , Zea mays , grain yield , soil nutrients , phosphorus , zinc , leaching , agricultural runoff , losses from soil , cover crops , Secale cereale , rye , environmental assessment , water quality , cropping systems , drainage , feces , Escherichia coli , Enterococcus , drought , estradiol , testosterone , pendimethalin , fluometuron , conservation tillage , long term experiments , soil structure , piedmont , Georgia , Southeastern United States
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2010
- Description:
- Includes references
- Author:
- Hatfield, J.L. , McMullen, L.D. , Jones, C.S.
- Subject:
- rivers , agricultural watersheds , nitrate nitrogen , drinking water , water quality , water pollution , nitrogen fertilizers , fertilizer application , Zea mays , corn , Glycine max , soybeans , crop yield , water balance , water use , nutrient management , cattle production , temporal variation , pollution load , Iowa
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2009
