Journal of the Rubber Research Institute of Malaysia, Volumes 28-29

ammonium analysis arsenic bark Batu Anam bimonthly bornesitol chemical chloroplasts clay clonal clones clones RRIM coagulated correlations crop crosslinking D tapping deficiency DGMF dry matter dryness dryness effect extracted fertiliser Figure flowering Formic acid fulvic acid germination Hevea brasiliensis Hevea Latex Hevea seeds hevein humic acid inositol Inst Institute of Malaysia Kuala Lumpur L-inositol latex latex film latices leaf leaflets levels lutoid lysimeters Malaya mean stability mean weight diameter method microhelices millilitre native fixed ammonium-N natural rubber nitrogen observed obtained oxides palisade cells Partial Total particles Peninsular Malaysia percentage aggregation 0.25 phosphate plants probe tack properties proteins protoplasts quebrachitol reaction Rengam RRIM Rubb Rubber Research Institute samples Selangor series soil serum showed significant six tappings soil aggregation spongy cells staining Subsoil TABLE tapping on Panel tetrazolium tion Tjir TMTD Topsoil treatment tyre ultracentrifugation values vulcanisates yield