封锄,是指某种蔬菜从移栽或播种后,不经过中耕,有时仅在畦沟边、行间用刮子轻刮一下。以达到既省劳力又提高质量、产量的目的。封锄这一栽培技术是从1960年以来的长期实践中不断总结形成的。过去认为,一般旱地作物的中耕培土是必经的过程,但在实践中,往往看到有些蔬菜经中耕后,生长受到阻碍,茎叶萎黄,抗病力低,蔬菜个体的生态平衡受到破坏,要过很长时间才能恢复。如大白菜、萝卜、芥菜、榨菜、油菜、夏秋豇豆、瓜类等,经中耕培土后,常加重 Feng hoe, refers to a vegetable from transplanting or sowing, without cultivating, and sometimes only in the ditch ditch, between the lines scratch with a scratch. In order to achieve both labor and improve quality, yield the purpose. This hoeing technique has been continuously summarized in the long practice since 1960. In the past, it was believed that the cultivation of soil in general dry land was a necessary process. However, in practice, some vegetables often see their growth hindered after cultivation and the chlorosis of stems and leaves, the low resistance to diseases, the destruction of ecological balance of individual vegetables, It takes a long time to recover. Such as cabbage, radish, mustard, mustard, rape, summer and autumn cowpea, melons, etc., after cultivating soil, often increased