Trends and changes which have been taking place during last 20 yr in United States farming; technological changes and farm mechanization; use of tractors, motor trucks, automobiles, and horses and mules on United States farms; future trends toward commercial farm.
General economics of farming for future
SAE -- Paper
SAE Meeting ; 1959
1959
9 pages
Conference paper
English
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GENERAL ECONOMICS OF FARMING FOR THE FUTURE
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