The principles of agronomy - A text-book of crop production for high-schools and short-courses in agricultural colleges /
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| Main Author: | |
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| Other Authors: | , |
| Format: | Kitap |
| Language: | English |
| Published: |
New York :
The Macmillan Company,
1915.
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| Series: |
The Rural Text=Book Series
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| Subjects: |