TY  - GEN
AU  - Jayasekara , L. R.
TI  - ශාක පෝෂණය = plant nutrition
SN  - 9555521123
U1  - 575.76 
PY  - 1997///
CY  - Colombo
PB  - Lake House
KW  - Life sciences
KW  - Plant nutrition
ER  -