By using the method of the invention, the sweet potato used as the leaf vegetable can be kept fresh and tender longer so as to reduce garbage caused by discarding older bases.
本发明的方法使叶菜用甘薯保持鲜嫩的时间较长，减少了因丢弃较老基部产生的垃圾。
By using the method of the invention, the sweet potato used as the leaf vegetable can be kept fresh and tender longer so as to reduce garbage caused by discarding older bases.
本发明的方法使叶菜用甘薯保持鲜嫩的时间较长，减少了因丢弃较老基部产生的垃圾。
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