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岐山县连续3年飞播造林9.3万亩,有效面积8.1万亩。为了进一步提高飞播造林成效,他们从1990年开始,又对四湾、苜蓿河两播区内漏播带、天窗及时安排补播。按坡向、植被等自然条件确定点播、撒播的范围,然后抽调林业系统50多名职工,进行现场模拟飞播训练,规定每亩撒播0.5kg 种子,每窝点播5粒,每亩300窝。按任务定人员、划范围、分小组
Qishan County for three consecutive years aerial seeding 93,000 mu, the effective area of 81,000 mu. In order to further improve the effectiveness of aerial planting and afforestation, they started to reopen the sowing and roof skylight in the broadcasting areas of four bays and alfalfa rivers starting from 1990. According to the natural conditions of the slope, vegetation and other on-demand, sowing range, and then deployed more than 50 forestry system workers to simulate aerial sowing training, the provisions of 0.5kg per acre sowing seeds, each nest sowing 5, 300 acres per mu. According to the task set staff, draw range, sub-group