Analysis on spatial distribution and correlation of soil organic matter in surface soils of Huzhou

›› 2012, Vol. 24 ›› Issue (4): 0-685.

• 论文 •

Analysis on spatial distribution and correlation of soil organic matter in surface soils of Huzhou

CHEN Jiang;CHANG Yan-chun;TONG Li-hua

Huzhou Environmental Monitoring Centre, Huzhou 313000,China

Received:1900-01-01 Revised:1900-01-01 Online:2012-07-25 Published:2012-07-25

Abstract

Abstract: The spatial distribution character of soil organic matter(SOM) content in surface soils of Huzhou was investigated, utilizing combined method of geostatistical and GIS techniques. Results showed that SOM content followed a normal distribution with arithmetic mean of 22.3 g·kg-1 and variation coefficient of 044. Based on the results of ANOVA and geostatistics, the best model for semivariogram of SOM was spherical model. The SOM content exhibited anisotropy and the degree of spatial autocorrelation was moderate. A contour map of SOM content was obtained using ordinary Kriging interpolation. Analysis of correlation showed that the relationship between SOM content and TN content was remarkable．

Key words: soil organic matter(SOM), spatial distribution, correlation

CHEN Jiang;CHANG Yan-chun;TONG Li-hua. Analysis on spatial distribution and correlation of soil organic matter in surface soils of Huzhou[J]. , 2012, 24(4): 0-685.

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Analysis on spatial distribution and correlation of soil organic matter in surface soils of Huzhou

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