Adaptability of Hybrid-Maize model and potential productivity estimation of spring maize on dry highland of loess plateau;

A long term experiment in dry highland of Loess Plateau was conducted,the results show that serious nitrate accumulation would be found in soil deep profile in long term overuse or unbalance application of nitrogen.

Application of 3D seismic survey in loess tableland;

Application of tomostatics in data processing from crooked wide line geometry in Loess Tableland.;

Seismic acquisition with a swath of lines in area of loess tableland;

Effects of land use type and slope position on soil physical properties in loess tableland area.;

The seasonal variation of CO_2 flux in a wheat field of the Loess Plateau;

Evaluation of CLIGEN precipitation elements on Loess Plateau;

Landslide induced by over-irrigation in loess platform areas in Gansu Province;