保护性耕作是对农田实行免耕、少耕,尽可能减少土壤耕作,并用作物秸秆、残茬覆盖地表,用农药来控制杂草和病虫害,从而减少土壤风蚀、水蚀,提高土壤肥力和抗旱能力的一项先进耕作技术。2009年,青海省互助县投入保护性耕作机具185台(套),在南门峡镇、威远镇、林川乡和东沟乡等乡镇的13个村、2个农场示范、推广保护性耕作1740hm2,增收节支达209.57万元。 Conservation tillage is practicing no-tillage and tillage on farmland, minimizing soil tillage and using crop stalks to cover the surface with pesticides and pesticides to control weeds and pests and diseases, thereby reducing soil wind erosion, water erosion, soil fertility and drought resistance An advanced farming technique. In 2009, Huzhu County, Qinghai Province, invested 185 sets of tillage machines (sets) in 13 villages and two farms in towns such as Nanmenxia, ​​Weiyuan, Linchuan and Donggou Townships to promote conservation Farming 1740hm2, increase income and save up to 2,059,700 yuan.