TY  - BOOK
AU  - FAO
TI  - Improved use of plant nutrients:a report of the expert consultation on better exploitation of plant nutrients held in Rome, Italy 18-22  April 1977
SN  - 925-5-900706-2
AV  - FAO S 631.3 E85 1977
PY  - 1977///
CY  - FAO
PB  - Rome
ER  -