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一、前言沙拐枣(Calligonum spp、)是蓼科沙拐枣属植物,我国主要分布在准噶尔盆地、吐鲁番盆地、塔里木盆地四周,柴达木盆地、阿拉善高原及鄂尔多斯的广大沙漠戈壁上,一般都作为固沙造林的先锋树种。民勤沙区从五十年代末以来、引进沙拐枣进行育苗造林试验。至七十年代末,这一树种即大量用于固沙造林,效果普遍良好。民勤治沙试验站现已营造各类林分350余亩。
I. Introduction Calligonum spp is a member of the genus Polygonum of the Tazong County. Our country is mainly distributed in the vast desert Gobi of the Junggar Basin, the Turpan Basin, the Tarim Basin, the Qaidam Basin, the Alashan Plateau and the Ordos. Generally as a pioneer tree planting sand afforestation. Minqin sand area from the late 1950s, the introduction of Calligonum jujube for seedling afforestation experiment. By the late 1970s, this species was used extensively for sand fixation and afforestation, and the effect was generally good. Minqin Sand Control Station has now created various types of forest more than 350 acres.