Trials were conducted in Ekenhuduge town in Alashan Youqi of inner Mongolia, Fine sand and thoroughly decomposed sheep manure were applied on the sulphuric-salinity soil to improve the soil. Shrubs, such as Amorpha fruticosa Linn, Tamarixramosissima。deciduous arbor, such as Robinia pseudoacacia Linn, Armaniaca sibirica Linn, Ulmus pumla Linn. ever-green arbor, such as Pinus sylvestris L. var. mongolica, herbaceous plants, such as Irls ensata Thunb, Medicago sativa Linn, Tall Fescue, etc. were pla...