Spatial and temporal dynamics in soil water storage under different use types of sloping fields: a case study in a highland region of southern China Soil moisture dynamic and root growth of Kentucky bluegrass turf Effects of different tillage and fertilization modes on the soil physical and chemical properties and crop yield under winter wheat/spring corn rotation on dryland of east Gansu, Northwest China. Effects of deep vertically rotary tillage on soil water and water use efficiency in northern China’s Huang-huai-hai Region