Abstract:We identify the agricultural inputs that drove the growth in global Background and regional crop yields from 1975 to the mid-2000s.: We compare Methods and contrast the inputs that drove yield change as identified by econometrically estimated yield functions and decision trees that use yield change as the class attribute.: We find that improvements in agricultural science and Results management, increased fertilizer use, and changes in crop mix around the world explained most of the gain in global crop yields,… Show more
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