To alleviate the serious problems of soil desertification and water loss in the loess hilly and arid desert areas of Yulin,improve the soil ability to retain water and fertilizer,and create a soil envi-ronment conducive to seedling growth,DewEco material was used to delay soil moisture evaporation with soil and water conservation experimental base of Chinese dwarf cherry in the slope greater than 35°.The experiments have shown that the optimal amount of DewEco can benefit soil granular struc-ture,decrease the loss of soil water nutrients,and enhance soil water retention and conservation.Mo-reover,it may also increase the survival rate of Chinese dwarf cherry.The results of this experiment can provide reference for soil improvement in loess hilly slopes and arid deserts.
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