飞播固沙是模仿天然更新的一种机械化造林种草方法,必须在认识自然、掌握自然规律的基础上,才能获得较好的效果。所以,飞播前,除了选择适当的时机和地段外,还应选择好植物种。伊盟近几年飞播采用了六个植物种,经调查有的保存好,有的保存差,因 Flight-borne sand-fixing is a kind of mechanized afforestation and grass-growing method that imitates natural renewal. Only on the basis of understanding nature and grasping natural laws can we get better results. Therefore, before the flight, in addition to select the appropriate time and location, but also should choose a good plant species. In recent years, the Iranian Union has adopted six plant species for aerial seeding. Some of the surveys have been well preserved and some have been poorly preserved due to