Neyraudia reynediana is the excellent grass species for soil conservation.InSouth China,adopting neyraudia reynediana as main conservation species inthe water-eroded desert,it can effectively controll soil erosion by covering the ground within six months,facilitating the improvement on poor ecological environment in water-eroded desert,creating the favorite conditions forintroduction and propagation of Dicranopteris dichotoma and other localgrass species,so as to accelerate the recovery of vegetation in wat...