TY - BOOK AU - Marattukalam J.G. AU - Panikkar A.O.N. AU - Saraswathyamma C.K. TI - Early performance of a few Hevea clones in large scale trial PY - 1989/// PB - Placrosym VII, 1986, Coonoor, India. Journal of Plantation Crops, 16(Supplement):377-381 KW - Clone KW - Early performance ER -