Grey analysis of soil litter decomposition on farmland in the frigid region of northeast China

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cje ›› 2004, Vol. ›› Issue (4): 44-46.

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Grey analysis of soil litter decomposition on farmland in the frigid region of northeast China

SU Yongchun, GOU Yingbo, HAN Yaoping, LU Xiangyun

Biology Department of Changshu Advanced College, Jiangsu Province 215500, China

Received:2003-01-20 Revised:2003-06-19 Online:2004-08-10

Abstract

Abstract: Litter decomposition is mainly from July to August in the frigid region of northeast China.The relationship between seasonal variation of soil litter decomposition and 20 ecological factors were studied by grey relation analysis.The primary and secondary factors influencing the decomposition of litter were founded as collembola,nematode,inorganic Ptransformation and moisture.Then the grey models were developed.

Key words: Mountain yellow soil, Soil fertility, Plant community succession, Integrated soil fertility index

CLC Number:

Q154.1

SU Yongchun, GOU Yingbo, HAN Yaoping, LU Xiangyun. Grey analysis of soil litter decomposition on farmland in the frigid region of northeast China[J]. cje, 2004, (4): 44-46.

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Grey analysis of soil litter decomposition on farmland in the frigid region of northeast China

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