, in the Luochuan loess plateau region of its geology historical period.

The gist of this paper is to study the relationship between the loess tectonic joints and the development of hydrographic net in Luochuan plateau The statistical analysis and comparison of the loess tectonic joints and the river system show that the joints control the main branches strikes of Luo river and have weak effect on the extending of the modern loess gully head

A Research of High Efficient Agriculture in Valley and Plain Regions of Shangluo Mountain Area;