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Subjects corn Remove constraint corn: corn Subjects accuracy Remove constraint accuracy: accuracy Subjects field crops Remove constraint field crops: field crops

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1. A comparison of operational remote sensing-based models for estimating crop evapotranspiration

Description:: Includes references
Author:: Gonzalez-Dugo, M.P. , Neale, C.M.U. , Mateos, L. , Kustas, W.P. , Prueger, J.H. , Anderson, M.C. , Li, F.
Subject:: evapotranspiration , soil-plant-atmosphere interactions , remote sensing , models , reflectance , energy balance , estimation , equations , field crops , agricultural soils , canopy , temperature , water stress , Glycine max , soybeans , accuracy , simulation models , mathematical models , surface temperature , heat transfer , soil water content , rhizosphere , soil-atmosphere interactions , Zea mays , corn , grain crops , dryland farming , satellites , plant stress , vegetation , meteorological parameters , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

2. Predicting Unsaturated Zone Nitrogen Mass Balances in Agricultural Settings of the United States

Description:: Includes references
Author:: Nolan, Bernard T. , Puckett, Larry J. , Ma, Liwang , Green, Christopher T. , Bayless, E. Randall , Malone, Robert W.
Subject:: Prunus dulcis , almonds , nut crops , Zea mays , corn , grain crops , Glycine max , soybeans , field crops , nitrogen , vadose zone , soil transport processes , biogeochemical cycles , orchards , simulation models , Root Zone Water Quality Model , soil hydraulic properties , soil depth , nutrient balance , nitrate nitrogen , accuracy , prediction , nitrogen fixation , nitrogen fertilizers , Nebraska , Maryland , California
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

3. Upscaling ground observations of vegetation water content, canopy height, and leaf area index during SMEX02 using aircraft and Landsat imagery

Description:: Includes references
Author:: Anderson, M.C. , Neale, C.M.U. , Li. F. , Norman, J.M. , Kustas, W.P. , Jayanthi, H. , Chavez, J.
Subject:: vegetation , canopy , moisture content , leaf area index , remote sensing , vegetation structure , vegetation cover , image analysis , accuracy , microwave radiation , spatial data , soil water content , temporal variation , spatial variation , Zea mays , corn , Glycine max , soybeans , field crops , reflectance , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004

4. Urea Decreases Nitrous Oxide Emissions Compared with Anhydrous Ammonia in a Minnesota Corn Cropping System

Description:: In the special section: Soil carbon sequestration and greenhouse gas mitigation / edited by Ronald F. Follett.
Author:: Venterea, Rodney T. , Dolan, Michael S. , Ochsner, Tyson E.
Subject:: Zea mays , corn , grain crops , urea , anhydrous ammonia , nitrogen fertilizers , fertilizer rates , nitrous oxide , gas emissions , greenhouse gases , long term experiments , Glycine max , soybeans , field crops , crop rotation , continuous cropping , carbon dioxide , crop residues , measurement , accuracy , equations , mathematical models , Minnesota
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010