在现行的生产责任制条件下,企图靠恢复和扩大种植常规绿肥来解决用地与养地的矛盾,难度较大,而积极地发展经济绿肥,从直接提高绿肥本身的经济效益着眼,却具有一定的现实意义。我们于1984～1986年在麦棉两熟田间进行蚕豆的菜、肥兼用的定位试验,收到很好效果,现将结果整理如下。 Under the current production responsibility system, trying to solve the contradiction between land use and raising land by rehabilitating and expanding conventional green manure is more difficult, and actively developing green manure from the perspective of directly improving the economic benefits of green manure, The practical significance. We in 1984 ~ 1986 two fields in wheat and cotton fields and vegetables, fertilizer and the use of positioning test, received good results, the results are summarized below.