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yu mi jie gan fen sui huan tian de zuo ye gong yi
Author(s): 
Pages: 40-41
Year: Issue:  11
Journal: Farm Machinery

Keyword:  玉米秸秆粉碎还田直接还田秸秆腐解机械化农作物产量化肥施用量农机化技术秸秆切碎还田机培肥地力作业工艺;
Abstract: <正> "玉米秸秆机械化切碎直接还田"是按照农艺要求,采用机械方式,将秸秆切碎后直接翻埋到土壤中,使之腐烂,从而达到大面积培肥地力,提高农作物产量的一项农机化技术。多年的试验表明,玉米秸秆切碎直接还田后,在化肥施用量相对减少的情况下,一般可使土壤有机质含量提高0.12%~0.20%,粮食增产10%~20%。机械化粉碎直接还田与传统的秸秆还田方式相比,可提高工
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