TY  - BOOK
AU  - Mathew Joseph
AU  - Dr R Vikraman Nair
TI  - Studies on some competing factors in the intercropping systemes of rubber (Hevea brasiliensis Muell. Arg.)
PY  - 1999///
CY  -  Thrissur
PB  - Kerala Agricultural University
N1  - Course: Ph. D
ER  -