甘蔗头甜还是根甜(甘蔗的头甜还是根甜)

综合百科2023-08-09 18:14:23佚名

甘蔗根甜。甘蔗在生长时获取了大量养分,这些养分会不断转化成糖分,使得甘蔗越长越甜,到甘蔗生长后期,糖分一直在增加,而消耗的养分却减少了,多余糖分就贮藏在甘蔗下半部分,因此成熟的甘蔗都是下段比上段甜。

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