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随着大型小麦联合收割机的问世,劳动生产效率大大提高。与此同时,由于机割,麦茬高,给后茬作物的播种、除草工作增加难度。为此,农民主要采用焚烧麦茬的方法来清除田间残茬。但焚烧麦茬弊多利少,主要表现:(1)容易引发山火。(2)排放大量烟雾,污染大气环境,影响交通、民航。(3)土壤水分蒸发严重,不利后茬作物出苗。(4)破坏土壤耕作层的有机质,氮、磷、钾
With the advent of large wheat combine harvesters, labor productivity has been greatly enhanced. In the meantime, due to the cutting and the high stubble wheat stubble, planting and weeding work for the succeeding crop increased difficulty. To this end, farmers mainly use the method of burning stubble to remove field stubble. However, malting stubble more harm than good, the main performance: (1) easily lead to fire. (2) emit a large amount of smoke, polluting the atmospheric environment, affecting traffic and civil aviation. (3) serious soil water evaporation, adverse crop emergence after emergence. (4) destruction of soil tillage layer of organic matter, nitrogen, phosphorus and potassium