胡杨为耐盐碱树种。山西省雁北地区1964年从新疆调入部分种子进行试种。山西省阳高许堡九梁洼林场播种1亩,仅保存下300多株。为了进一步发展胡杨,改良盐碱地,1966年又进行了胡杨嫁接和埋根试验。利用春季采来的加杨根桩作砧木进行嫁接,在距地面1—2厘米处切断砧木,采用劈接的方法嫁接170 Populus salina for saline. In 1964, Yanbei area in Shanxi Province transferred some seeds from Xinjiang for trial planting. Shanxi Yanggao Fort Jiuliao depression forest sown 1 acre, save only more than 300 strains. In order to further develop Populus euphratica, improve saline land, 1966 Populus euphratica grafted and buried root test. Use spring picked Yang root pile for rootstock grafting, cutting 1-2 cm from the ground at the rootstock, the use of cleavage method of grafting 170