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国外开展飞播造林最早的是苏联,1932年开始进行飞播造林。从50年代开始,美国、加拿大、澳大利亚、新西兰、芬兰、日本、菲律宾、印度、洪都拉斯,尼日利亚相继开展了飞播造林,飞播的主要树种是松类、云杉类、桉类、相思、黄桦、银合欢、鹅掌楸、朱樱花、钝叶橡皮木等。飞播面积较大的国家有加拿大、美国、苏联。加拿大截止1972年共飞播造林209万亩,占同期造林总而积的10%。苏联飞播面积最大的1954年和1955年,飞播面积分别为54万亩、67万
The earliest foreign airborne afforestation is the Soviet Union, began aerial sowing in 1932. Since the 1950s, the United States, Canada, Australia, New Zealand, Finland, Japan, the Philippines, India, Honduras and Nigeria have successively carried out aerial sowing and afforestation. The main species of seeding are pine, spruce, eucalyptus, acacia, Acacia, Liriodendron, Zhu cherry, blunt-leaf rubber wood and so on. More countries fly to Canada, the United States, the Soviet Union. By the end of 1972, Canada afforestation reached 209 million mu, accounting for 10% of the total afforestation in the same period. In 1954 and 1955, the largest area for the Soviet Union flying, the area for aerial broadcasting was 54 million mu and 670,000 respectively