TY  - BOOK
ED  - Conference On Soil Fertility And Fertilizer Use In Africa (3rd : Nov -970 : Addis Ababa Africa)
TI  - Improving soil fertility in Africa :  Proceedings
T2  - F A O soils Bulletin; 14
U1  - J:1:6.6p1,N70, L1 
PY  - 1971///
CY  - Rome
PB  - F A O     
KW  - AGRICULTURE
ER  -