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霜冻多久甘蔗会坏

更新时间: 2020-09-17 00:00:00     

甘蔗受损的气温临界值当气温达到0℃以下时,甘蔗中的水分会结冰,如果这种状况长时间持续,甘蔗便会死亡,霜冻天气会使甘蔗品质下降,出糖率降低,出产一级品的难度增加,至于不利的程度到什么程度,则要视霜冻天气持续的时间。在-0.9℃至-3℃会冻死甘蔗茎芽和生长点,如蔗茎不受冻,这样的甘蔗还可维持3个月。

关键词: 霜冻 多久 甘蔗

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