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Subjects corn Remove constraint corn: corn Subjects estimation Remove constraint estimation: estimation Subjects agricultural soils Remove constraint agricultural soils: agricultural soils
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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. Effect of Sampling Frequency on Estimates of Cumulative Nitrous Oxide Emissions

Description:
In the special issue: the 4th USDA Greenhouse Gas Symposium. Paper presented at the 4th USDA Greenhouse Gas Symposium "Positioning Agriculture and Forestry to meet the Challenges of Climate Change", February 6-8, 2007, Baltimore, Maryland.
Author:
Parkin, T.B.
Subject:
estimation , sampling , environmental monitoring , greenhouse gases , nitrous oxide , gas emissions , soil physical properties , field experimentation , agricultural soils , corn , Zea mays , soybeans , Glycine max , nitrate nitrogen , temporal variation
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

3. Sensitivity and uncertainty analyses of crop yields and soil organic carbon simulated with EPIC

Description:
Includes references
Author:
Wang, X. , He, X. , Williams, J.R. , Izaurralde, R.C. , Atwood, J.D.
Subject:
agricultural management models , Zea mays , corn , grain yield , soil organic matter , agricultural soils , prediction , estimation , continuous cropping , fertilizer application , nitrogen fertilizers , silt loam soils , Wisconsin
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

4. Testing DAYCENT Model Simulations of Corn Yields and Nitrous Oxide Emissions in Irrigated Tillage Systems in Colorado

Description:
In the special issue: the 4th USDA Greenhouse Gas Symposium. Paper presented at the 4th USDA Greenhouse Gas Symposium "Positioning Agriculture and Forestry to meet the Challenges of Climate Change", February 6-8, 2007, Baltimore, Maryland.
Author:
Del Grosso, S.J. , Halvorson, A.D. , Parton, W.J.
Subject:
irrigated farming , crop models , simulation models , gas emissions , nitrous oxide , crop yield , corn , Zea mays , agricultural soils , greenhouse gases , conventional tillage , soil organic carbon , no-tillage , nitrogen fertilizers , biogeochemical cycles , nitrogen , meteorological data , soil texture , land management , soil water content , estimation , nitrates , nitrification , model validation , soil microorganisms , community structure , Colorado
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008