山药是一种营养极为丰富的薯芋类蔬菜.根茎可入药,有滋补强身、治脾胃亏虚等多种功能.一般亩产2500～3000公斤,产值3000元以上,经济效益十分显著.但在采贮过程中,极易损伤、受冻。为此,我们近年来通过多年实践,逐步摸索出一整套采贮新技术,现将其介绍如下: 采收山药从“霜降”后茎叶发黄时到翌年发 Yam is a rich nutrition Yam vegetables. Rhizomes can be used as medicine, nourishing the body, the spleen and stomach and other functions. General mu produce 2500 ~ 3000 kg, the output value of 3000 yuan or more, the economic efficiency is very significant. During storage and storage, it is easy to damage and freeze. To this end, in recent years, through years of practice, we gradually developed a set of new technologies for harvesting and storage. Now we introduce them as follows: harvesting yam from yellowing of stems and leaves to the following year