Crops - A self-teaching course, based on crop management and soil conservation /
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| Main Author: | |
|---|---|
| Other Authors: | , |
| Format: | Kitap |
| Language: | English |
| Published: |
Washington D.C. :
John Wiley & Sons, Inc.,
1937.
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| Series: |
Education Manual . EM 826
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| Subjects: |