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Subjects corn Remove constraint corn: corn Subjects equations Remove constraint equations: equations Subjects reflectance Remove constraint reflectance: reflectance

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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. An Active Sensor Algorithm for Corn Nitrogen Recommendations Based on a Chlorophyll Meter Algorithm

Description:: Includes references
Author:: Solari, Fernando , Shanahan, John F. , Ferguson, Richard B. , Adamchuk, Viacheslav I.
Subject:: Zea mays , corn , nitrogen , plant nutrition , nutritional status , canopy , sensors , reflectance , algorithms , chlorophyll , nitrogen fertilizers , fertilizer rates , mathematical models , equations , nitrogen balance , accuracy , model validation , grain yield , irrigated farming
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

3. Evaluating Multiple Indices from a Canopy Reflectance Sensor to Estimate Corn N Requirements

Description:: Includes references
Author:: Sripada, Ravi P. , Schmidt, John P. , Dellinger, Adam E. , Beegle, Douglas B.
Subject:: Zea mays , corn , nitrogen , plant nutrition , nutrient requirements , canopy , reflectance , remote sensing , nitrogen fertilizers , economic analysis , fertilizer rates , field experimentation , application timing , color , grain yield , mathematical models , equations , Pennsylvania
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008

4. Intercalibration of vegetation indices from different sensor systems

Description:: Includes references
Author:: Steven, Michael D. , Malthus, Timothy J. , Baret, Frederic , Xu, Hui , Chopping, Mark J.
Subject:: vegetation , satellites , remote sensing , sensors , calibration , crops , corn , sugar beet , reflectance , plant density , spectral analysis , spectrometers , radiometry , equations , England , France
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003

5. Mapping leaf chlorophyll and leaf area index using inverse and forward canopy reflectance modeling and SPOT reflectance data

Description:: Includes references
Author:: Houborg, Rasmus , Boegh, Eva
Subject:: canopy , vegetation structure , vegetation cover , leaf area index , leaves , chlorophyll , spatial data , spatial distribution , spectral analysis , reflectance , image analysis , remote sensing , field crops , wheat , corn , barley , Triticum aestivum , Hordeum vulgare , Zea mays , soil , equations
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008