| Type |  Book |
| ชื่อเรื่อง | Organic-matter management and tillage in humid and subhumid Africa : proceedings of the Third Regional Workshop of the AFRICALAND Programme held at Antananarivo, Madagascar, 9-15 January, 1990 / the workshop was organizezd by the International Board for Soil Research and Management (IBSRAM) ... [et al.] |
| ISBN | 9747087006 |
| พิมพลักษณ์ | Bangkok : IBSRAM, 1990 |
| ครั้งที่พิมพ์ | 1st ed |
| รูปเล่ม | 456 p. : ill. ; 24 cm |
| หัวเรื่อง | Acid soils --Africa [] |
| | Humus |
| | Soil management --Africa [] |
| | Soil science --Africa [] |
| | Soils --Africa --Congresses [] |
| | Tillage |