THE INFLUENCE OF CROPPING ON THE NITROGENFIXING POWERS OF SOIL
| Autor: | GREAVES, J. E., BRACKEN, A. F. |
|---|---|
| Zdroj: | Soil Science; March 1939, Vol. 47 Issue: 3 p201-206, 6p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
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| Autor: | GREAVES, J. E., BRACKEN, A. F. |
|---|---|
| Zdroj: | Soil Science; March 1939, Vol. 47 Issue: 3 p201-206, 6p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
|