Substitution relationship, resource requirement and income veriability in the utilization of forage corps
Year of publication: |
1952
|
---|---|
Authors: | Heady, Earl O. ; Olson, Russell O. |
Institutions: | Bureau of Agricultura Economics, U. S. Department of Agriculture cooperating (contributor) |
Publisher: |
Ames, Iowa |
Subject: | Futtermittel | Agrarbetrieb |
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