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试验表明,香蕉植株施钾后加快其出叶速度,在生长旺期能缩短生长时间11%,现蕾期提早1—2个月,因而收获率相对增加20.7—91.6%。香蕉产量随施钾量的增加而增加,亩施 K_2O 40—80公斤,每亩增产0.58—1.14吨。每公斤 K_2O 增产蕉果13.4公斤,产投比(VCR)为15左右。此外,施钾还能增大香蕉果形、改善食味和提高植株抗寒力。
The results showed that banana plants accelerated the leaf-out rate after potassium application, shortened the growth time by 11% and increased the budding rate by 20.7-91.6% in budding stage by 1-2 months earlier. The yield of banana increased with the increase of potassium application. K_2O of K_2O was 40-80 kg and yield 0.58-1.14 tons per mu. K_2O per kilogram of banana increased by 13.4 kilograms, production ratio (VCR) of about 15. In addition, potassium can increase banana fruit shape, improve taste and improve plant cold resistance.