TY  - BOOK
ED  - Food and Agriculture Organization of the United Nations.
TI  - Fertilizer strategies
SN  - 9251026440
PY  - 1987///
CY  - Rome
PB  - FAO
KW  - Fertilizers
KW  - Developing Countries
KW  - Crop yields
N1  - Includes bibliographical references; Open access
ER  -