Cooke, Stephen C. - Agricultural Economics and Rural Sociology Department, … - 1991
Between 1974 and 1983, intertemporal cost efficiency for u.s. field crops increased about 1.4 to 1.2% percent for corn … Iowa in corn, central Illinois in soybeans, the Washington Palouse and central North Dakota in wheat, and southern … California in cotton relative to the other selected regions in the study. Scale economies exist in corn, soybean and wheat but …