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甘肃省黄土高原东起陕甘省界,西止乌鞘岭至甘肃省界,北与甘、宁省(区)界相连,南与迭山、西秦岭分水岭相接。包括52个县(市、区),总面积143,847平方公里,总人口1320万人。21世纪初,甘肃省黄土高原开始实施土地整治项目。统计数据显示,土地整治项目建设中,包括农田防风林、梯田埂坎防护林、护路护沟林和护岸林建设的农田林网工程,可以保护项目区土地利用活动安全,减少污染,预防和减少农田的自然灾害,保持和改善农田生态环境,保障农田生态系统安全。与此同时,黄土高原实施土地整治项目存在的问题也显现出来。2008～2012年实施的162个土地整治项目的调查分
Gansu Province, the Loess Plateau east of Shaanxi and Gansu provinces, west of Wushaoling to Gansu province sector, the north and Gan, Ning province (district) bound, south and Diego, West Qinling watershed phase. Including 52 counties (cities, districts), with a total area of 143,847 square kilometers, the total population of 13.2 million people. In the early 21st century, the Gansu Province Loess Plateau began to implement land remediation projects. Statistics show that in the construction of land remediation projects, farmland forest network including farmland windbreaks, terrace ridge shelterbelts, road guarding ditches and bank protection forests can protect the safety of land use activities in the project area, reduce pollution, prevent and reduce farmland Of natural disasters, to maintain and improve the ecological environment of farmland, farmland ecosystem security. At the same time, the problems existing in implementing the land remediation project in the Loess Plateau are also revealed. Survey of 162 land remediation projects implemented from 2008 to 2012