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Using Satellite and Field Data with Crop Growth Modeling to Monitor and Estimate Corn Yield in Mexico

^a Laboratorio Nacional de Predicción de Cosechas y Monitoreo Climático, Campo Experimental de Pabellón, INIFAP, Km. 32.5 Carr. Zac-Ags., Ap. Postal #20, Pabellón de Arteaga, Aguascalientes, Mexico
^b Spatial Science Lab., Dep. of Forest Science, Texas A&M Univ., College Station, TX 77843, USA

View larger version (25K): [in a new window]   Fig. 1. Geographic location of the corn field areas monitored during the growing season of autumn–winter 1999 and spring–summer 2000 in Mexico.

View larger version (23K): [in a new window]   Fig. 2. Schematic presentation of the components of and inputs to the corn yield model.

View larger version (14K): [in a new window]   Fig. 3. Measured and simulated corn grain yield in irrigated sites in Mexico during autumn–winter 1999–2000. The solid line is the fitted regression line and the dashed line is the 1:1 fit.

View larger version (14K): [in a new window]   Fig. 4. Measured and simulated corn grain yield in nonirrigated sites in Mexico during spring–summer 1999–2000. The solid line is the fitted regression line and the dashed line is the 1:1 fit.