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保持甘蔗田间通透良好是甘蔗正常生长的重要条件之一。甘蔗进入生长后期,每7-10天即可长出一片新叶。及时去除脚叶、枯黄老叶和无效分蘖,可以改善蔗田通风透光,减少不必要的营养消耗,提高光、热利用率,促进光合作用,提高糖分,使茎秆粗壮,增强抗倒伏能力,同时也利于病虫防治,减少危害,是甘蔗增粗增色、高产高糖的重要措施。
Maintaining good permeability of sugar cane field is one of the important conditions for the normal growth of sugarcane. Sugarcane into late growth, every 7-10 days to grow a new leaf. Timely removal of foot leaf, yellow old leaf and ineffective tiller can improve the ventilation and light of sugarcane field, reduce unnecessary nutrition consumption, increase light and heat utilization rate, promote photosynthesis, increase sugar content, make stalk stout and enhance lodging resistance , But also conducive to the prevention and control of pests and diseases, reduce harm, is an important measure of sugar cane thickening and high yield, high sugar.