Further experiments on the effect of removing the soluble humus from a soil on its productiveness.
| Autor: | Crowther, Edward M. |
|---|---|
| Zdroj: | Journal of Agricultural Science; Jul1925, Vol. 15 Issue 3, p303-306, 4p |
| Databáze: | Complementary Index |
| Externí odkaz: |
|
| Autor: | Crowther, Edward M. |
|---|---|
| Zdroj: | Journal of Agricultural Science; Jul1925, Vol. 15 Issue 3, p303-306, 4p |
| Databáze: | Complementary Index |
| Externí odkaz: |
|