TY  - BOOK
TI  - Maintenance and improvement of soil productivity in the highlands of Ethiopia,Kenya,Madagascar and Uganda : an inventory of spatial and non-spatial survey and research data on natural resources and la
SN  - AHI TEchnical Report series no.6
U1  - 631.826967 MAI 
PY  - 1997///
CY  - Nairobi 
PB  -  African Highlands Initiative
KW  - Soil productivity
ER  -