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洋葱的食用部分是鳞茎,它与其它一些蔬菜的重要不同特点是在其生活周期具有明显的休眠特性,在炎夏收获之后,便开始进入深度的休眠期,虽有适宜的生长条件,也不发芽不生长;而且由于经过晾晒,外层鳞片已经充分干燥而膜质化,具有耐热耐干的特性,能够安全地度过炎热的夏季,从而延长和调剂了市场的供应。洋葱在贮藏中的问题主要有两个:一是
The edible part of the onion is bulbous. An important differentiating feature of some onions from other vegetables is that they have significant dormancy characteristics during their life cycle. After harvesting in the summer, they begin to enter deep dormancy periods, sprouting in spite of suitable growth conditions Do not grow; and because after drying, the outer scales have been fully dried and membranous, with heat and dry properties, can safely over the hot summer, so as to extend and adjust the supply of the market. Onion in storage there are two main problems: First,