![]() Slowing farm yield growth appears to be related to slowing yield potential progress in major crops, at least in percentage terms, and to persistent yield gaps in less well endowed cropping areas where the adoption of better technology has never been strong and new extension paradigms are being attempted. But despite these successes of crop science, yield growth rates have now fallen to levels below those needed to both substantially alleviate the remaining serious malnutrition and poverty in the developing world and as well as to protect non-cropped areas. ![]() The paper begins by examining recent progress in yield and area of the major world crops, and the general underlying technologies which have driven this progress.
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