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Effect of feed-grain output controls on resource uses and values in Norther and Southern Iowa
Heady, Earl O., (1965)
Conventional and organic-related farming systems research: an assessment of usda and state research projects.
Schaller, F., (1986)
The changing rural economy : implications for rural America
Harl, Neil E., (1985)
Economic status of income groups by farm size
Orazem, Frank, (1972)
Importance of New Varieties in Kansas Wheat Production
Orazem, Frank, (1980)
Production economics : theory with applications
Doll, John P., (1978)