临泽县黑河、大沙河两岸,湖泽处、地下水位较高的乡村,都有地下水位50—100厘米的重潮地。在早春和秋季,地下水有时还渗出地表。这些地至今没有广泛用来造林,有些地方虽然造了,但成效甚微,其关键原因是没有选择出适宜的造林树种。根据笔者在沙河林场试栽河柳的结果表明渍湿地造林,应以河柳为宜。临泽县国营沙河林场二站的西面、大沙河以东,有一片渍湿地,表土厚10—20厘米,属 Linhe County, Heihe, Dasha River banks, Lake Ze Department, the higher groundwater level villages, have a groundwater level 50-100 cm heavy tide. In the early spring and autumn, sometimes groundwater seeps on the surface. These areas have not been widely used for afforestation so far. Although some places were made, their achievements were negligible. The key reason for this was that they did not choose suitable afforestation species. According to the author in the Shahelin test planted river Liu results show that wetlands afforestation, should be suitable for the river willow. Linze County Shahe Forestry Center Station two stations to the west, east of Dasha, there is a piece of wetlands, topsoil 10-20 cm thick, is