康保县位于张家口市坝上高原西北端。气候恶劣,风沙危害严重。1990年以来,该县本着因地制宜、适地适树的原则,在沿边沙化地带大力开展柠条造林,加快了沿边防风固沙生物带的建设。 Kangbao County is located in Zhangjiakou City Dam Bashang plateau northwest end. Bad weather, sand and sand damage. Since 1990, in line with the principle of adapting to the local conditions and appropriate tree planting, the county has vigorously carried out afforestation with Caragana korshinskii in sandy desertification areas along the border and accelerated the construction of windbreak and sand fixation biological belts along the border.