The experiments were made on the rotation of Sesbania cannabina Pers with wheat or barley in two mou of wastefully saline and alkaline soils in Fengchin of Honan in 1964 and 1965.Results from the experiments show that the saline and alkaline soils treated with the plantation and afterward turndown of Sesbania cannabina Pers have been ameliorated and the soil fertility and the yield of wheat and barley have much more been increased in comparison with those of the same soils for check.