TY - BOOK AU - Mainstone B J AU - Tan K S TI - Copper sulphate as a yield stimulant for Hevea brasiliensis. I. Experimental stimulation of 1931 budded rubber with2, 4-D or 2, 4, 5-T in sulphate injection PY - 1964/// PB - Journal of the Rubber Research Institute of Malaya KW - Budded rubber KW - Hevea brasiliensis KW - Sulphate injection KW - Yield ER -