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目前世界各国用于播种造林的飞机,有固定翼飞机和直升机两大类,在国外,直升机已广泛应用于播种造林,我国自1956年开展飞机播种造林以来,一直采用固定翼飞机,而且机种单一,除80年代以前曾在部分地区采用过苏联伊尔14型飞机播种,今年曾用运十二试播过外,目前国内全部采用国产运五型飞机播种,且面临着飞机的更新.随着我国飞播造林事业的不断发展,大面积宜林荒山逐步减少,而一些地形复杂,零星分散的小面积宜林荒山及根
At present, the aircraft used for sowing and afforestation in various countries in the world have two categories: fixed-wing aircraft and helicopter. In foreign countries, helicopters have been widely used in planting and afforestation. Since the planting of aircraft in 1956, China has been using fixed-wing aircraft, Single, except in the area before the 80s had adopted the Soviet Union Il-14 aircraft sowing, this year has shipped twelve trials broadcast, all domestic use of domestic transport five aircraft sowing, and facing the renewal of the aircraft .As The continuous development of China’s aerial seeding afforestation cause a large area of barren mountains to be gradually reduced, and some terrain complex, sporadic scattered small area of forest and mountain