TY  - BOOK
ED  - Food and Agriculture Organization of the United Nations.
TI  - Scaling soil nutrient balances: Enabling mesolevel applications for African realities
SN  - 92-5-105237-9
PY  - 2004///
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
KW  - Soil fertility
N1  - Includes bibliographical references (p. 71-82)
ER  -