TY  - BOOK
TI  - Improved use of plant nutrients: report of the expert consultation on better exploitation of plant nutrients held in Rome 18-22 April 1977
SN  - 9251005834
U1  - 631.81 
PY  - 1978///
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
KW  - Fertilizers
N1  - On t.p.: Soil Resources, Management and Conservation Service, Land and Water Development Division
ER  -