| Type |  Book |
| ชื่อเรื่อง | Soil conservation in Andean cropping systems : oil erosion and crop productivity in traditional and forage-legume based cassava cropping systems in the South Colombian Andes / by Martin Ruppenthal |
| ผู้แต่ง | Ruppenthal, Martin |
| ISBN | 3823612484 |
| พิมพลักษณ์ | Weikersheim, Germany : Margraf, 1995 |
| รูปเล่ม | xxii, 110 pages : illustrations (some color) ; 21 cm |
| หัวเรื่อง | Cassava --Colombia [] |
| | Cropping systems --Colombia [] |
| | Hill farming --Colombia [] |
| | Soil erosion --Colombia [] |