Legislative principles of soil conservation.
| Yazar: | |
|---|---|
| Materyal Türü: | Kitap | 
| Dil: | English | 
| Baskı/Yayın Bilgisi: | Rome
          Food and Agriculture Organization of the United Nations
    
        [c1972]. | 
| Seri Bilgileri: | Food and Agriculture Organization of the United Nations. Soils bulletin
              15 | 
| Konular: |