Search National Agricultural Library Digital Collections
Displaying
all 3 items
start over
- Description:
- Includes references
- Author:
- Halvorson, Ardell D. , Johnson, Jane M.F.
- Subject:
- Zea mays , corn , grain crops , corn cobs , irrigated farming , ethanol production , chemical constituents of plants , nitrogen fertilizers , fertilizer rates , tillage , growing season , crop yield , agronomic traits , nitrogen , carbon , dry matter partitioning , grain yield , water content , Colorado , Texas
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2009
- Description:
- Includes references
- Author:
- Alluvione, Francesco , Halvorson, Ardell D. , Del Grosso, Stephen J.
- Subject:
- cropping systems , irrigated farming , nitrogen , conventional tillage , crop rotation , carbon dioxide , methane , gas emissions , semiarid zones , no-tillage , Zea mays , corn , Phaseolus vulgaris , beans , Hordeum vulgare , barley , nitrogen fertilizers , fertilizer rates , oxidation , pollution control , greenhouse gases , Colorado
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2009
- Description:
- Includes references
- Author:
- Paz, Jose M. De , Delgado, Jorge A. , Ramos, Carlos , Shaffer, Marvin J. , Barbarick, Kenneth K.
- Subject:
- nitrogen , nutrient management , nitrogen fertilizers , fertilizer application , agricultural management models , geographic information systems , simulation models , mathematical models , leaching , nitrate nitrogen , irrigated farming , irrigated soils , balance studies , nutrient uptake , crops , Spain
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2009