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四子王旗绿肥面积逐年扩大,据最近统计,全旗绿肥面积达178,306亩。但由于草木樨越冬返青出现死苗的现象,严重地阻碍了绿肥生产的发展。最近两年,我们在部分社队定点调查,发现草木樨越冬保苗不高的主要原因除了与气候变化有关外,与土壤墒情、土壤质地以及坡梁高低方向,障碍物等都有密切的关系。今年5月在黄羊城生产队调查,有一块靠近林带(树木8～9尺高)的草木樨地返青后苗全
Siziwangfeng green manure area has expanded each year, according to recent statistics, the banner of green area of 178,306 acres. However, the phenomenon of dead seedling emerges due to the rejuvenation of the vegetation, which seriously hinders the development of green manure production. In the past two years, we conducted some site surveys in some social unions and found that the main causes of overgrowth of grass mulberry trees in addition to climate change are closely related to soil moisture content, soil texture, slope height and obstructions. In May this year, a production team surveyed in Huangyang City, a piece of grass near the forest belt (trees 8 to 9 feet high)