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
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