TY - BOOK TI - Proceedings of the 8th symposium on plantation crops.(PLACROSYM VIII) U1 - 633(06)1988 PY - 1991/// PB - ISPC KW - Bark anatomy KW - Bowl sludge KW - Hevea brasiliensis KW - Hevea Pink disease KW - Hevea yield stimulant KW - Plantation crops genetic resources KW - RRII Clones KW - Rubber cooperative society KW - Rubber effluent KW - Rubber fertilizers ER -