TY  - BOOK
AU  - Ignatieff,Vladimir
TI  - Efficient use of fertilizers
T2  - FAO agricultural studies,
U1  - 631.8 
PY  - 1949///
CY  - Washington
PB  - Food and Agriculture Organization of the United Nations
KW  - Fertilizers
KW  - MCE
N1  - 0; 0; 0; 631_800000000000000_IGN
ER  -