Crop Yields and Soil Fertility as Affected by Dryland Rotations in Southern Alberta
| Autor: | Pittman, U. J. |
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| Předmět: | |
| Zdroj: | Communications in Soil Science & Plant Analysis; 1977, Vol. 8 Issue 5, p391, 0p |
| Databáze: | Complementary Index |
| Externí odkaz: |
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| Autor: | Pittman, U. J. |
|---|---|
| Předmět: | |
| Zdroj: | Communications in Soil Science & Plant Analysis; 1977, Vol. 8 Issue 5, p391, 0p |
| Databáze: | Complementary Index |
| Externí odkaz: |
|