TY  - BOOK
ED  - United Nations
TI  - Maximizing fertilizer use efficiency
SN  - 9251014442
U1  - 631.81 
PY  - 1983///
CY  - Rome
PB  - FAO
KW  - Fertilizers
KW  - Agricultural chemicals
KW  - Soil fertility
KW  - Soil conditioners
KW  - Soil amendments
N1  - Based on the deliberations of a seminar held in New Delhi, India, 15-19 September 1980- Organised by FAO
ER  -