西山咀林场为了迅速发展胡杨林,从1965年起连续多年培育胡杨苗,1983年试用塑料地膜覆盖育苗成功。用塑料地膜覆盖法培育胡杨苗,能使土壤保持经常湿润,疏松不板结,有利于根系的生长发育,且土地利用率高,增加产苗量。同时可节省大量劳力,降低育苗成本。具体方法是:及时采 Xishanzui Forest Farm In order to rapidly develop Populus euphratica, from 1965 for many years to cultivate Populus euphratica, 1983 trial plastic mulching success. Populus euphratica seedling cultivation with plastic film mulching, can make the soil to maintain regular wetting, loose not knot, is conducive to the growth and development of the root system, and land utilization is high, increase the amount of seedlings. At the same time can save a lot of labor, reduce nursery costs. The specific method is: timely mining