TY  - BOOK
AU  - Joseph M.[a]
AU  - Mathew M.
AU  - Nair R.B.
AU  - Punnoose K.I.
TI  - Potassium nutrition of mature rubber
PY  - 1998///
PB  - Indian Journal of Natural Rubber Research
KW  - Available phosphorus
KW  - Critical value
KW  - Laterite soil
KW  - Potassium
ER  -