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黄土高原沟壑区一直是我国水土流失治理的重点地区，1991年，位于黄土高原沟壑区的陕西省长武县和甘肃省泾川县被列为全国首批水土保持综合治理开发试验示范县，以使水土保持工作再上一个新台阶。由于农田防护林能保护农田，防御或减轻自然灾害对农作物的危害，保障农业生产的
The gully area of the Loess Plateau has always been a key area for soil and water loss control in China. In 1991, Changwu County, Shaanxi Province and Jingchuan County, Gansu Province, located in the gully area of the Loess Plateau, were listed as the first experimental demonstration counties for comprehensive management of soil and water conservation in China. Make soil and water conservation work to a new level. As farmland shelterbelt protects farmland, defenses or alleviates the damage to crops caused by natural disasters, and guarantees agricultural production