The concept, the composition of matter, sectional formation, classification and distributive law of agricultural soil are explained, expounds that soil has close relations between soil and the geological environment,and puts forward the concept of agrogeological soil, the classification and applications of agrogeological soil are preliminarily introduces.

The distribution of Ni contents in agricultural soils in the Pearl River Delta, China;

Distribution of phthalic acid esters in agricultural soils in typical regions of Guangdong Province;

N_2O emission from agricultural soil in China;

The spatial structure feature of heavy metals in agricultural soil of mining city:A case study of Fuxin, China;

A simulation analysis of distribution and change of agricultural soil carbon pool in Liaoning Province;

The distribution pattern of N_2O emission from agricultural soil in China;

Contents and spatial distribution patterns of heavy metals in farmland soils of Fuxin City.;

Environmental effect of mercury contamination of farmland soils in the Tongguan gold mining area,Shaanxi,China;

Gontrol measure of heavy metal Hg and Ca in polluted farmland soil;

In this study, a GIS-based geostatistical method was used to analyze the spatial variation of heavy metals in cropland soil in Cixi city of Zhejiang province.

The results show that most of the cropland soil was polluted.

Nitrification is the important link of nitrogen cycle in cropland soil.