TY  - BOOK
AU  - Singh R P
AU  - Chaudhuri D
AU  - Mandal D
AU  - Sarma A C
TI  - Effect of different levels of N, P and K on growth of immature rubber in lower Brahmaputra valley of Assam
PY  - 1999///
PB  - Indian Journal of Natural Rubber Research
KW  - Hevea brasiliensis
KW  - NPK
ER  -