Change characteristic of the typical residual solonchak in the northern of Xinjiang were explored,through investigating soil profile salt on different reclaimed years.Baojiadian town in the mamas' river watershed was considered as research area,researching dynamic change of soil salinity and its influencing factors by using methods of traditional statistical and temporal-spatial conversion.The results showed that the salinity of soil profile,with the extension of reclaimed years,was significantly decreasing...