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为改造盐碱地,我所近几年在陵县、平原、禹城等县的盐碱地区,试验推广种植夏绿肥,取得显著的改土增产效果。如禹城县石屯公社肖寺刘生产队一块120多亩盐碱较重的麦田,历年单产仅50斤左右,通过种植一季夏绿肥之后,小麦亩产提高到200斤。又据我所在陵县,禹城8个大队试验,压绿肥的比不压的小麦普遍噌产,增产幅度为37—260%。由此可见,种植绿肥对于改良盐碱地、提高产量,有着重要作用。
In order to reform the saline-alkali land, in recent years, in the saline-alkali areas of the counties, plains and Yucheng counties, we have promoted the cultivation of summer green manure and achieved remarkable soil improvement and yield enhancement. For example, Yucheng County Shitun commune Xiao Temple Liu production team a 120 mu of saline-alkali wheat fields, calendar year yield of only about 50 pounds, through the cultivation of a summer summer green manure, wheat mu yield increased to 200 pounds. According to my county, Yucheng 8 brigade test, the pressure of green manure than the general pressure of wheat bass production, increase rate of 37-260%. Thus, planting green manure for improving saline land, increase production, has an important role.