Soil conditions and plant growth /
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
London :
Longmans, Green,
1927.
|
| Rhifyn: | 5th ed. |
| Pynciau: |
Tabl Cynhwysion:
- Includes bibliographies and index.