摘要
西宁至马场垣高速公路穿越的地区属于生态脆弱带。与其他生态脆弱区不同的是 ,其土壤中盐分的含量非常高 ,土壤碱性强 ,它不仅导致植物的生理干旱 ,还对植物细胞产生毒害作用 ,不良的植被恢复措施也加重其危害程度。为减轻盐碱的危害需要采取相应的措施如筛选适宜植物、农业灌溉、化学及其它措施 ,可以减轻危害恢复植被。
The expressway from Xining to Machangyuan passes through the area where the ecosystem is very fragility.The content of salt and alkali in the soil is very high,which is very harmful to resume the vegetation.It brings on the physiological drought and destroy the cells of the plant.How to search a suitable way to control the salt and alkali will became the key.
关键词
植被恢复
高速公路
盐碱地
resuming vegetation
salt and alkali area
expressway
