TY  - BOOK
AU  - 
TI  - Organic-Matter management and tillage in humid and subhumind Africa: proceedings of the Third Regional Workshop of the AFRICALAND Programme held at Antananarivo, Madagascar, 9-15 January 1990 
SN  - 9747087006
AV  - S 592.8 O61
PY  - 1990///
CY  - Bangkok, Thaïlande
PB  - International Board for Soil Research and Management
KW  -  
ER  -