近年来,我国利用飞机播种牧草获得了成功。这对边远地区,对地广人稀具有大面积荒山和退化草场的地区进行快速绿化、改良天然草场、恢复植被、保持水土起到了积极的作用。我国内地的广大山地丘陵地区,绝大部分属于相对地多人少的山区,农业开垦指数大,樵牧过度,长期以来在自然因素和人为因素的共同作用下,天然草场破坏殆尽,水土流失严重,急待迅速恢复植被。但是,这类山区多数地形复杂,插花地多,超过万亩以上的大面积连片荒山和退化草场较少,这给飞播种草带来很大困难。因此,找出一种成本低,速度快而又机动灵活的种草方法,对迅速绿化和改造内地水土流失严重的山区具有重要意义。为此,我们从1980年至1986年,进行了用机动喷粉器喷播种草试验,在不同天气类型和不同立地条件下均获得了较好效果。现将试验结果总结如下。 In recent years, China has achieved success by using aircraft to sow grasses. It has played a positive role in remote areas in rapidly growing green areas with vast areas of barren hills and degraded pastures, improving natural pastures, restoring vegetation and maintaining soil and water. Most of the vast hilly areas in the hinterland of China are mountainous areas with relatively few people and a small number of people. With a large index of agricultural reclamation and excessive animal husbandry, natural grasslands have been destroyed by natural and human factors for a long time. Soil and water loss Serious, urgent restoration of vegetation quickly. However, most of these terrains have complicated terrains and many flower arrangements. Larger contiguous barren hills with more than 10,000 mu of land and fewer degraded pastures are more difficult to fly and sow grass. Therefore, finding a low-cost, fast and flexible grass-planting method is of great importance to the rapid greening and transformation of mountainous areas with serious soil erosion in the hinterland. Therefore, from 1980 to 1986, we carried out the experiment of planting grass by spraying with a mobile duster, and achieved good results under different weather types and different site conditions. The test results are summarized below.