江西省飞机播种造林科技推广成果.最近通过省内外专家鉴定。自1965—1985年,全省飞播面积654.2万亩,占全省适宜飞播面积的45%。其中有效面积534.2万亩,占飞播面积的81.7%;保存面积278.9万亩,保存率52.5%,提前达到林业部提出的在“七·五”期间力争把飞播保存率提高到50%以上的要求。全省飞播成本平均每亩1.76元(不包括抚育管理费 Jiangxi Province sowing afforestation aircraft technology promotion achievements. Recently identified by experts inside and outside the province. Since 1965-1985, the province has an area of ​​6,542,000 mu, accounting for 45% of the total area suitable for aerial seeding in the province. Among them, the effective area is 5,342,000 mu, accounting for 81.7% of the total area of ​​fly-sowing; the preservation area is 2,789,000 mu and the preservation rate is 52.5%, which is in advance of the forestry department’s efforts to raise the preserving rate of aerial seeding to over 50% during the “7 · 5” period Request. The province’s average cost of flying seeding 1.76 yuan per mu (excluding tending management fees