飞机播种造林是一种现代化的造林方法。它具有速度快、规模大、成本低等优点,特别是在人工造林难度大的高远山区能够开展飞播绿化。商洛市从1975年开始飞播种造林以来,已累计完成飞播造林560万亩。大面积飞播林的形成,对保持水土、涵养水源、改善农业生态环境发挥了重要作用。国家在实施 Aircraft sowing afforestation is a modern afforestation method. It has the advantages of fast speed, large scale and low cost, and can especially carry out aerial seeding and afforestation in the lofty mountainous areas where artificial afforestation is difficult. Since its establishment in 1975, Shangluo City has completed a total of 560 million mu of aerial seeding and afforestation. The formation of large-scale aerial sowing plays an important role in maintaining soil and water, conserving water sources and improving agricultural eco-environment. Countries in the implementation