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为配合农业部“旱作农业生产示范工程”项目和国家环保局等六部局联合发布的《秸秆禁烧和综合利用管理办法》的实施，从1996年开始，经过连续三年的小麦、玉米两茬平作秸秆直接还田，进一步证实：秸秆直接还田技术能有效地培肥地力、增加土壤养分、改善土壤的物理性状，从而大幅度提高作物产量。连续还田的时间越长，土壤环境越好，产量就越高。
In order to meet the implementation of the Measures for Banning Burning and Comprehensive Utilization of Straw by the Bureau of the Ministry of Agriculture, “Dry-farming Agricultural Production Demonstration Project” and the State Environmental Protection Administration, etc. jointly issued by the six ministries, starting from 1996, after three consecutive years of wheat and corn Cropping straw directly back into the field, further confirmed: straw directly into the field technology can effectively fertilize fertility, increase soil nutrients, improve the physical properties of the soil, thereby significantly increasing crop yield. The longer the time to return to the soil, the better the soil environment, the higher the yield.