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过去十年间,印度的天然橡胶种植业取得了巨大进展,可从下看出: ——种植面积从1979/80年度的26.2万公顷,增加到1989/90年度的44万公顷; ——橡胶产量增加了一倍多,从148,470吨增加到297,300吨; ——单位面积产量从771千克/公顷,提高到1,030千克/公顷; ——橡胶产量的年增长率,在第七个五年计划期间超过了国内所有的主要作物,为9.8%。 十年间,橡胶种植面积、总产量和单位面积产量的年增长如表一:
In the past ten years, tremendous progress has been made in natural rubber farming in India. From the following, we can see that: - the area planted increased from 262,000 hectares in 1979/80 to 440,000 hectares in 1989/90; - the rubber output More than doubled from 148,470 tons to 297,300 tons; - Production per unit area increased from 771 kg / ha to 1,030 kg / ha; - Annual growth rate of rubber production exceeded during the seventh five-year plan All major domestic crops, 9.8%. Ten years, rubber acreage, total output and yield per unit area of growth in Table 1: