Search National Agricultural Library Digital Collections
Limit your search
Authors
-
Delgado, J.A. (4)
-
Tanaka, D.L. (4)
-
Hanson, J.D. (3)
-
Krupinsky, J.M. (3)
-
Liebig, M.A. (3)
-
Merrill, S.D. (3)
-
Dillon, M.A. (2)
-
Franzluebbers, A.J. (2)
-
Sparks, R.T. (2)
-
Abawi, G.S. (1)
- more »
Displaying items
1 - 10 of
26
start over
- Description:
- Includes references
- Author:
- Olk, D.C.
- Subject:
- soil nutrient dynamics , soil organic matter , biogeochemical cycles , fractionation , soil chemistry , extraction , land use change , humic acids , humates , nitrogen , mineralization , tropical soils , cropping systems , nutrient uptake , potassium , flooded conditions , rice , cotton , phenolic compounds , soil chemical properties , cations , case studies , literature reviews
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2006
- 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:
- Baligar, V.C. , Fageria, N.K.
- Subject:
- cover crops , tropics , agronomic traits , plant cultural practices , plant physiology , crop rotation , cropping systems , literature reviews , soil conservation , soil water content , genetic variation , environmental factors , plant morphology , crops , plant nutrition , fertilizer rates
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Includes references
- Author:
- Kirkegaard, John , Christen, Olaf , Krupinsky, Joseph , Layzell, David
- Subject:
- grain crops , grain yield , literature reviews , break crops , cropping sequence , cropping systems , plant diseases and disorders , disease control , soil fertility , plant nutrition , nitrogen , plant available water , soil water content , allelopathy , rhizosphere , soil biology , soil structure
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2008
- Description:
- Paper presented at the symposium on "Continuous dryland cropping in the Great Plains: What are the limits?" held 2003, Denver, Colorado.
- Author:
- Campbell, C.A. , Janzen, H.H. , Paustian, K. , Gregorich, E.G. , Sherrod, L. , Liang, B.C. , Zentner, R.P.
- Subject:
- Triticum aestivum , wheat , grain crops , fallow , soil water content , soil organic matter , climatic factors , literature reviews , long term experiments , crops , cropping systems , soil erosion , fertilizer application , cropping sequence , evaporation , slope , landscape position , tillage , soil fertility , topography , Great Plains region , Canada
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2005
- Description:
- Includes references
- Author:
- Hatfield, J.L. , Boote, K.J. , Kimball, B.A. , Ziska, L.H. , Izaurralde, R.C. , Ort, D. , Thomson, A.M. , Wolfe, D.
- Subject:
- crop production , climate change , literature reviews , temperature , carbon dioxide , ozone , cropping systems , precipitation , Glycine max , crop yield , plant growth , plant development , Midwestern United States
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2011
- Description:
- Includes references
- Author:
- Wilhelm, W.W. , Johnson, J.M.F. , Karlen, D.L. , Lightle, D.T.
- Subject:
- Zea mays , corn , corn stover , dry matter accumulation , soil organic carbon , biomass , literature reviews , ethanol production , soil erosion , soil physical properties , crop yield , erosion control , cropping systems
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
- Description:
- Paper presented at the symposium on "Continuous dryland cropping in the Great Plains: What are the limits?" held 2003, Denver, Colorado.
- Author:
- Tanaka, D.L. , Anderson, R.L. , Rao, S.C.
- Subject:
- Triticum aestivum , wheat , grain crops , Cajanus cajan , pigeon peas , forage crops , fallow , cropping sequence , cropping systems , rain , dryland farming , plant growth , soil water content , root systems , water use efficiency , literature reviews , Great Plains region
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2005
- Description:
- Includes references
- Author:
- Tanaka, D.L. , Krupinsky, J.M. , Liebig, M.A. , Merrill, S.D. , Ries, R.E. , Hendrickson, J.R. , Johnson, H.A. , Hanson, J.D.
- Subject:
- cropping systems , crop production , decision making , economic analysis , crop rotation , crops , literature reviews , United States
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2002
- Description:
- Paper presented at a symposium held November 6-10, 2005, Salt Lake City, Utah.
- Author:
- Liebig, M.A. , Tanaka, D.L. , Krupinsky, J.M. , Merrill, S.D. , Hanson, J.D.
- Subject:
- agroecosystems , cropping systems , sustainable agriculture , farm management , cropping sequence , literature reviews , crop yield , plant diseases and disorders , crop residues , soil water content , North Dakota
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2007
