Productivity and income of labor and capital on Marshall silt loam farms in relation to conservation farming /
by Earl O. Heady.
APA Citation
Heady, E. Orel. (1953). Productivity and income of labor and capital on Marshall silt loam farms in relation to conservation farming. Ames, Iowa: Agricultural Experiment Station, Iowa State College.
MLA Citation
Heady, Earl Orel, 1916-. Productivity And Income of Labor And Capital On Marshall Silt Loam Farms In Relation to Conservation Farming. Ames, Iowa: Agricultural Experiment Station, Iowa State College, 1953.
Warning: These citations may not always be complete (especially for serials).