TY  - BOOK
AU  - Humphrey, Norman
TI  - Waafrica na ardhi yao =: Africans and their land 
PY  - 1948///-195?
CY  - Nairobi
PB  - Highway Press
KW  - Agriculture
KW  - Africa
N1  - Text in English and Swahili; Contents: 1. The land and its problems 2. Crops and soil fertility 3 . Animals and soil fertitilty 4. The problem of soil erosion 5. Forests , trees and the farmers 6. Food and farmer 7. Balanced farming; Book 2: crops and soil fertility
ER  -