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50 acres acres Advisory Agronomist Agronomy amount Appendix April area planted bark Bordeaux mixture buddings budwood multiplication clonal seedlings clone Tjir clones Committee Consumption of Raw copper corresponding period Distribution of Rubber dusted excise duty Experiment Station Export of Sole field experiments fungicides fungus Group half-year India infection July Kanyakumari District Kerala Kottayam laboratory Labour Welfare large growers Latex leaf-fall leaves legitimate seedlings obtained licence fees Madras Manurial Experiments manuring March Mundakayam natural rubber Newplanting period under report period under review permit holders Phytophthora palmivora planted area planted with rubber plots pollinations powdery mildew Production of Raw Rajagiri raw rubber Replanting Subsidy Scheme retention Rubber Act rubber estates rubber growers Rubber Instructors Rubber Nurseries Rubber Plantation Rubber Production seeds selected September Shri small growers soil Sole Crepe sprayed Stocks of Rubber stumps Synthetic and Reclaimed synthetic rubber tapping tonnes tons total number Travancore-Cochin trees trial Trivandrum yield