Changes in the use of commercial fertilizer among Iowa farm operators, 1957-1960,
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| Main Author: | |
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| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
Ames,
Dept. of Economics and Sociology, Iowa State University of Science and Technology,
1960.
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| Series: | Rural sociology report
no. 16 |
| Subjects: | |
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| Item Description: | At head of title: Iowa State University of Science and Technology, Agricultural Experiment Station in cooperation with Tennessee Valley Authority, Dow Chemical Company, Allied Chemical Company. "ISU projects 1320 and 1352." |
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| Physical Description: | 50 ℓ. illus. |