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秸秆还田是保护性耕作技术措施之一,可补充土壤养分,促进土壤微生物活动,改善土壤理化性质,提高肥效,减少化肥施用量,它有利于农业节水、节本、增产、增效和可持续发展。还可有效地防止农作物秸秆焚烧造成的环境污染,改善生态环境,增加农民收益。1·秸秆还田的途径(1)间接还田
Straw is one of the protective tillage techniques, can supplement the soil nutrients, promote soil microbial activity, improve soil physical and chemical properties, improve fertilizer efficiency, reduce the amount of chemical fertilizer, it is conducive to agricultural water saving, cost-saving, yield, efficiency and sustainable development. It can also effectively prevent the environmental pollution caused by the crop straw burning, improve the ecological environment and increase the farmers’ income. 1 · straw back to the way (1) indirectly return to the field