Effect of potassium, calcium and magnesium on yield, quality, and storage property of banana
Bao-Mei YANG, Jin-Quan LI, Li-Xian YAO, Guoliang Li, Zhao-Huan HE, Chang-Min ZHOU, Shi-Hua TU
Abstract
Bao-Mei YANG, Jin-Quan LI, Li-Xian YAO, Guoliang Li, Zhao-Huan HE, Chang-Min ZHOU, Shi-Hua TU
Abstract
香蕉是嗜K作物, 养分需求最大的4种元素为K>N>Ca>Mg, 而K、Ca、Mg三者间存在交互作用。本文研究了不同K、Ca、Mg营养条件下香蕉产量、品质及其贮藏性的变化, 结果表明: 适量配施K、Ca、Mg肥能有效促进香蕉果实的生长发育, 提高香蕉果实品质及产量; 有效降低香蕉果皮多酚氧化酶活性、果皮丙二醛含量和果肉淀粉酶活性, 减少贮藏过程中的重量损失, 延缓香蕉果实的衰老进程, 提高香蕉果实的耐贮藏性。在广东省高州市香蕉产区, 为实现香蕉高产优质耐贮藏, 适宜施肥量为K2O 990 kg·hm-2, Mg 37.5 kg·hm-2, Ca 90.0 kg·hm-2。
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香蕉是嗜K作物, 养分需求最大的4种元素为K>N>Ca>Mg, 而K、Ca、Mg三者间存在交互作用。本文研究了不同K、Ca、Mg营养条件下香蕉产量、品质及其贮藏性的变化, 结果表明: 适量配施K、Ca、Mg肥能有效促进香蕉果实的生长发育, 提高香蕉果实品质及产量; 有效降低香蕉果皮多酚氧化酶活性、果皮丙二醛含量和果肉淀粉酶活性, 减少贮藏过程中的重量损失, 延缓香蕉果实的衰老进程, 提高香蕉果实的耐贮藏性。在广东省高州市香蕉产区, 为实现香蕉高产优质耐贮藏, 适宜施肥量为K2O 990 kg·hm-2, Mg 37.5 kg·hm-2, Ca 90.0 kg·hm-2。
Key concepts: Magnesium, Potassium, Calcium, Yield (engineering), Chemistry, Materials science, Metallurgy, Organic chemistry