TY  - BOOK
AU  - Ignatieff,Vladimir
TI  - Efficient use of fertilizers
T2  - FAO agricultural studies,
AV  - S633 .I3
U1  - 631.816 
PY  - 1949///
CY  - Washington
PB  - Food and Agriculture Organization of the United Nations
KW  - Fertilizers
N1  - "For further reading" at end of most of the chapters
ER  -