| Type |  Book |
| ชื่อเรื่อง | On-farm management of applied inputs and native soil fertility / Daniel C. Olk and Piedad F. Moya, editors |
| ISBN | 971220118X |
| | 971220118X (pbk.) |
| พิมพลักษณ์ | Los Banos : International Rice Research Institute, 1998 |
| | Makati City : International Rice Research Institute, c1998 |
| รูปเล่ม | 211 p. : ill., maps |
| หัวเรื่อง | Soil fertility --Asia --Congresses [] |
| | Agricultural productivity --Asia --Congresses [] |
| | Farm supplies --Asia --Congresses [] |
| | Nitrogen fertilizers |
| | Rice --Asia --Congresses [] |
| | Rice --Irrigation [] |
| | Soil fertility |