Advances in research of nutrient transfer in surface and subsurface soil on sloping land in small watersheds;

Rules of soil evaporation and plant transpiration under different land use patterns in the sloping land of red soil;

The distribution of soil nutrients on sloping land in the gully region watershed of the Loess Plateau;

Experimental study on characteristics of water transformation on slope land;

Formation mechanism of instantaneous saturated zone and seepage characteristics in the slope of Taihang Mountain areas;

Mobile rainwater collection on slope and drip irrigation system;

Research on the effective factors of nutrient transfer and loss in the slope land;

Experimental study on the impacts of rainfall intensity on phosphorus loss from loessial slope land;

Impact of tillage on water transformation and runoff-sediment-yielding characteristics on slope land;

Intercropping by fruit and grass on sloping fields, raise synthesis beneficial result of water and soil conservation;

The analysis for the spacing between contour lines of irregular sloping field;

Review on hillslope soil water movement and transformation mechanism on the loess plateau;

Experimental Study and Numerical Simulation on Soil Water Movement of Catchdrain in Hillslope;

A distributed model,which based on the law of conservation of mass and energy and the condition of landforms,was developed to decribe the specialty of rainfall infiltration in hillslope.