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扶余县三井子林场,于1972年开始在渍盐化草甸土上引种柳树。由海伦引来白皮柳(Salix pierotii),从伊家店引来旱柳(Salix matsudana),在当年用无性繁育法试裁,经过六个作业年(72—78),现已成林,面积达225市亩,较好的植株平均高10.5米,平均胸径9.0厘米,保存率30—87％,每公顷林木蓄积20—60立方米。旱、白柳林,长势旺盛,自然整枝良好。现将引种情况介绍如下。一、引种区自然条件引种地点位于扶余县中部,东径125°10′,北纬45°8′,是在扶三中线公路(37公里)万宝至(40.5公里)双岗子之间,路两侧付道以外50米内的低洼地,为盐渍化草甸土,土壤质
Fuyu County, Mitsui Forest Farm, in 1972 began to salinize meadow soil introduced willow. Salix pierotii was introduced by Helen and Salix matsudana was introduced from Yijia. Trial planting was carried out asexually in the same year. After six operation years (72-78) An area of 225 acres, better plants average 10.5 meters high, the average diameter of 9.0 cm, the preservation rate of 30-87%, 20-60 cubic meters per hectare of trees. Dry, white willow forest, growing strong, good natural pruning. The introduction of the introduction is as follows. First, the introduction of natural conditions of the introduction area is located in Fuyu County, the central location of 125 ° 10 ’east diameter, latitude 45 ° 8’, is in Fuzhong three central highways (37 km) Mbao (40.5 km) Shuanggangzi, both sides of the road Pay less than 50 meters outside the low-lying, salinized meadow soil, soil quality