TY  - BOOK
AU  - Nageswara Rao, D.V.K.
AU  - Dr AI Jose
TI  - Productivity classification of soils under rubber (Hevea brasiliensis Muell. Arg.) in Kerala
PY  - 2000///
CY  -  Thrissur
PB  - Kerala Agricultural University
N1  - Course: Ph. D
ER  -