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Subjects corn Remove constraint corn: corn Subjects crops Remove constraint crops: crops Subjects Iowa Remove constraint Iowa: Iowa

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1. 1980 AgRISTARS DC/LC project summary: crop area estimates for Kansas and Iowa

Description:: 3 ref.
Author:: Kleweno, D.D. , Miller, C.E.
Subject:: estimation , crops , satellites , wheat , soybeans , corn , Kansas , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1981

2. Soil-Test N Recommendations Augmented with PEST-Optimized RZWQM Simulations

Author:: R. W. Malone , D. B. Jaynes , L. Ma , B. T. Nolan , D. B. Jaynes , D. B. Jaynes
Subject:: Root Zone Water Quality Model , Zea mays , application timing , autumn , corn , crops , fertilizer rates , field experimentation , long term experiments , losses from soil , nitrates , nitrogen fertilizers , rain , rhizosphere , simulation models , soil analysis , soil nutrient dynamics , spring , statistical models , temperature , walnuts , water quality , watersheds , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

3. Vegetation water content estimation for corn and soybeans using spectral indices derived from MODIS near- and short-wave infrared bands

Author:: Daoyi Chen , Jingfeng Huang , Thomas J. Jackson
Subject:: Glycine max , Landsat , Zea mays , corn , crops , image analysis , infrared radiation , moderate resolution imaging spectroradiometer , reflectance , remote sensing , soybeans , thematic maps , vegetation , water content , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2005