This paper adopts survey data and measures household social capital with network scale,network diversity,social participation scale and credit scale according to social capital theory.

Analysis of the guarantee degree of irrigation water resources and its spatial difference in Northeast China;

Quantitative analysis on the spatial difference of agricultural development level in Gansu province;

Study on the spatial difference of soil characteristic and the method of its spatial interpolation;

Assessment on ecological security of spatial differences of east areas of Liaohe River based on GIS;

Analysis of the characteristics and spatial differences of urbanization quality of cities at prefecture level and above in China

Taking the point of view of per unit area yield of grain,per-capita share of grain and contribution degree of grain as breakthrough point,this paper researched the spatial differences of grain production.

Different sedimentary facies zones have different water absorbing rule during waterflood development and water-drive reservoir is constantly flushed and reformed,which made the sedimentary facies zones,having good physical property of reservoir,more apparent by waterflood reform action and led the interlayer difference in waterflood input wells to gradually become larger.