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花卉是一项新兴产业，随着人们生活水平的提高，花卉已成为人们美化环境、陶冶情操不可缺少的东西，其中切花已成为～种高产值的商品，但是切花切叶往往保鲜时间较短，为有效地延长切花切叶的保鲜期，控制一定外部条件及使用适宜的化学保鲜剂是～项十分重要的措施，一、外部环?
Flower is a new industry. With the improvement of people’s living standards, flowers have become indispensable for people to beautify the environment and cultivate sentiments. Among them, cut flowers have become a kind of high-yielding commodity. However, cut flowers often have shorter preservation time, In order to effectively extend the shelf life of cut and cut leaves, it is very important to control certain external conditions and use suitable chemical preservatives.