ERS Foreign - 76, Development and Trade Analysis Division, Economic Research Service. 32 pages, Page 14 contains a discussion about the gap between knowledge and actual application on the farm. "It has been estimated, for example, that crop production per acre could increase one-fourth in the next five years on lands readily available, and primarily with methods now known and widely used." Cites USDA, Food and Agriculture: a Program for the 1960s, March 1962, in connection with that estimate.
