TY  - GEN
AU  - De Silva, M. A. T. 
TI  - Mineral nutrition of plants
U1  - 631.81 
PY  - 1980///
CY  - Colombo
PB  - National Science Council
KW  - Agriculture and related technologies
KW  - Nutritive principles,complete fertilizers, methods of application
KW  - Fertilizers,soil conditioners,growth regulators
KW  - Specific techniques
ER  -