Annual ReportRubber Research Institute of Malaya., 1952 - Rubber Issues for 1932-40 include Report of the London Advisory Committee for Rubber Research (Ceylon and Malaya). |
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31 December acid acres ammonia areas bale bark Berkeley Berkeley Berkeley Berkeley LIBRARY Botanical Division brown bast budded budwood CALIFORNIA LIBRARY cent chemical choline clonal seedling clone RRIM 501 clone Tjir coagulation concentrations copper crepe daily system developed dry rubber effect emulsion estates experimental fertilisers full spiral girth half spiral hand pollination Hevea Hevea brasiliensis investigation Johore Kedah Kelantan laboratory lalang large scale trials latex latices leaching leaf leave lignin manuring masterbatch mature rubber method months Negri Sembilan nitrogen nursery nutrient obtained Pahang palm oil Perak period phosphate planting material potash prepared production programme R.R.I. Experiment Station replanting reported root disease rubber hydrocarbon Rubber Instructors Rubber Research Institute rubber seedlings rubber trees samples seed seedling families Selangor series clones sheet showed smallholders sodium arsenite soil soluble spraying stumps Sungei Buloh technical classification termites tion treatments UNIVERSITY OF CALIFORNIA yield stimulants young rubber