Four fields were designed to conduct ridge-furrow planting experiment in desert region, and soil gravimetric water content
rates of that four fieldsand a
conventional flat-tillage field were observed. Field observations indicated: during rape growing period, soil water contents of ridge-furrow planting fields were higher than that of conventionalflat-tillage field, especially in plow layer (0~30cm); The fluctuation of soil moisture showed "two peaks-two valleys"type during rape growing period, and it could be divided into five phases :"soil moisture restoring stage-soil moisture slowly consuming stage-soil moisture restoring stage-soil moisture rapidly consuming stage-soil moisture restoring stage”. The soil moisture fast consuming stage was coincidedwith the quickly growing period of rape, in which soil gravimetric water contents in of ridge-furrow planting fields were higher than that of conventional flat-tillage;Compared with the conventional flat-tillage field, in the same depthlayer of the soil, the variation coefficient of ridge-furrow planting fields was smaller, the thickness of fast changing layer and active layer was smaller, the stable layer was closer to the surface of the soil, and the dry-wet fluctuation of the soil was smaller.This experimental research could provide references to adjusting tillage measure of rainfed field, optimizing land use structure, and preventing wind erosion in desert region.