Soil organic matter; its nature, its role in soil formation and in soil fertility
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Oxford
Pergamon Press
[c1966].
|
| Rhifyn: | 2nd rev. & enl. ed. Trans. from the Russian by T. Z. Nowakowski A. C. D. Newman. |
| Pynciau: |