TY  - BOOK
AU  - Ignatieff, Vladimir
TI  - Efficient use of fertilizers
U1  - 631.816(082.2) J2 
PY  - 1952///
CY  - London
PB  - FAO (Leonard Hill)
KW  - Vladimir Ignatieff
KW  - Fertilizers and manures-Scientific application,Soil fertility,Soil science
ER  -