Abstract
The present study aims at finding functional forms for wheat crop yield in an area located in Kanpur Nagar, in terms of monthly NDVI, rainfall and mean temperature. To verify wheat NDVI with the ground truth, a plot of 5 acres is chosen. It has been assumed that yield for this plot is same as that of whole study area. Functional form with all three variables performed the best. Whenever temperature is included as one of the variables, mean absolute percent error is about 7% and 15% in training and testing, respectively. Functional forms are ranked based on their performance. It is concluded that if NDVI data are not complete for the study period, modeled yield has very poor correlation with NDVI. Also, temperature of the first cropping month has the highest sensitivity when temperature is taken as a variable for wheat crop yield modeling.
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