TY  - BOOK
AU  - International Board for Soil Research and Management (IBSRAM)
TI  - Organic-matter management and tillage in humid and subhumid Africa : proceedings of the Third Regional Workshop of an AFRICALAND Programme held at Antananarivo, Madagascar 9-15 January 1990
PY  - 1996///
PB  - IBSRAM
ER  -