TY  - BOOK
AU  - Karthikeyan, K.V.
AU  - Dr CK Saraswathy Amma
TI  - Effect of planting density on the growth of rubber in the Vellanikkara estate
PY  - 1993///
CY  -  Thrissur
PB  - Kerala Agricultural University
N1  - Course: PGDNRP
ER  -