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Relative contributions of major technological factors and moisture stress to increased grain yields in the Midwest, 1930-71
- Author / Creator
- Available as
- Physical
Details
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- Creator
- by Richard K. Perrin and Earl O. Heady
- Format
- Books
- Language
- English
- Contributors
- Publication
-
- Ames : Center for Agricultural and Rural Development, Iowa State University, 1975
- Series
- Physical Details
-
- iii, 43 leaves ; 24 cm
- OCLC
- ocm03034902
- Bibliography: leaves 40-43.