Combinations of rotations and fertilization to maximize crop profits on farms in North-Central Iowa (An application of linear programming)
Heady, E.O.
Combinations of rotations and fertilization to maximize crop profits on farms in North-Central Iowa (An application of linear programming) - Ames 1956 - 755-775 p. - Iowa Agricultural Experiment Station. Research Bulletin No. 439 .
Fertilization, Crop
Combinations of rotations and fertilization to maximize crop profits on farms in North-Central Iowa (An application of linear programming) - Ames 1956 - 755-775 p. - Iowa Agricultural Experiment Station. Research Bulletin No. 439 .
Fertilization, Crop