TY  - BOOK
AU  - Food and Agriculture Organization of the United Nations,
TI  - FAO Fertilizer Yearbook Annuaire FAO Des Engrais Anuario FAO De Fertilizantes Vol. 29
SN  - 9250009429
U1  - 631 
PY  - 1980///
CY  - Rome
PB  - F. A. O.
KW  - Fertilizer
KW  - Techniques, equipment & materials
ER  -