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我厂三座锰铁高炉年产瓦斯灰高达万吨以上,其化学成分及粒度组成如下:1.化学成分(%) 这种瓦斯灰已用于农业施肥,特别对棉田效果良好。据新余县农业局调查,珠珊公社洋津、鄱头大队自1965年试用以来,施用面积逐年扩大,1973年已达670亩棉田,一般可增产10～20%。另外,沙土公社施用瓦斯灰的棉田也达2500亩以上。
Our three ferromanganese blast furnace with an annual output of up to 10,000 tons of gas ash, the chemical composition and particle size are as follows: 1. Chemical composition (%) This ash has been used for agricultural fertilization, particularly good effect on cotton. According to a survey conducted by the Bureau of Agriculture of Xinyu County, since the pilot trial of Beizun Commune, Yangjin and Pauitou Brigade since 1965, the area of application has been expanded year by year. In 1973, it reached 670 mu of cotton fields and generally increased production by 10-20%. In addition, the sand soil communes use ash ash cotton fields up to 2,500 acres and above.