Vertical distribution of soil organic carbon in <em>Cunninghamia lanceolata</em> plantation

FANGXi; TIAN Da-lun; XIANG Wen-hua; LEI Pi-feng

Volume 21 Issue 4

Jul. 2017

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FANGXi, TIAN Da-lun, XIANG Wen-hua, LEI Pi-feng. Vertical distribution of soil organic carbon in Cunninghamia lanceolata plantation[J]. Journal of Zhejiang A&F University, 2004, 21(4): 418-423.

Citation:

FANGXi, TIAN Da-lun, XIANG Wen-hua, LEI Pi-feng. Vertical distribution of soil organic carbon in Cunninghamia lanceolata plantation[J]. Journal of Zhejiang A&F University, 2004, 21(4): 418-423.

Vertical distribution of soil organic carbon in Cunninghamia lanceolata plantation

1.
Research Section of Ecology , Central South Forestry University , Zhuzhou 412006 , Hunan , China

Funds:

国家科技部重点野外科学观测试验站资助项目(2000-076); 国家科技部基础研究重大项目(2102); 国家林业局重点科研项目(2001-7 , 2001-29); 中南林学院青年基金资助项目(0419)

Received Date: 2004-05-17
Rev Recd Date: 2004-06-29
Publish Date: 2004-12-20

Abstract

Taking Chinese fir plantation as the research objective , vertical distribution of soil organic carbon (SOC) and its relationship with soil pH value , total nitrogen content and soil C/N ratio in Chinese fir plantation were studied .In addition , different land use types of Chinese fir plantation were compared .The results showed that the vertical distribution of SOC in Chinese fir plantation varied with soil depth .The differences of SOC concentration in different layers were as follows :0 -15cm soil layer (20.6 gkg-1) 15 -30 cm soil layer (17.1 gkg-1) 30 -45 cm soil layer (12.4 gkg-1) 45 -60 cm soil layer (9.8 gkg-1) 60 -75 cm soil layer (8.2 g kg-1).Average SOC concentration with three kinds land use types was ranked as follows :the closed Chinese fir forest lands (13.6 g kg-1) the economic forest lands (12.3 g kg-1) the fallow lands after farming (11.0 gkg-1).SOC concentration of different layers in Chinese fir plantation had a positive linear correlation with the soil pH value (r 0.40), and a significant positive relationship with the contents of total nitrogen (r 0.81) and C N ratio (r 0.87).[ Ch , 2 fig .2 tab .14 ref .]
- Chinese fir (Cunninghamia lanceolata)plantation,
- soil organic carbon (SOC) concentration,
- vertical distribution

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Proportional views

Vertical distribution of soil organic carbon in Cunninghamia lanceolata plantation

1. Research Section of Ecology , Central South Forestry University , Zhuzhou 412006 , Hunan , China

Funds:

Received Date: 2004-05-17

Rev Recd Date: 2004-06-29

Publish Date: 2004-12-20

Key words:

Chinese fir (Cunninghamia lanceolata)plantation /
soil organic carbon (SOC) concentration /
vertical distribution

Abstract: Taking Chinese fir plantation as the research objective , vertical distribution of soil organic carbon (SOC) and its relationship with soil pH value , total nitrogen content and soil C/N ratio in Chinese fir plantation were studied .In addition , different land use types of Chinese fir plantation were compared .The results showed that the vertical distribution of SOC in Chinese fir plantation varied with soil depth .The differences of SOC concentration in different layers were as follows :0 -15cm soil layer (20.6 gkg-1) 15 -30 cm soil layer (17.1 gkg-1) 30 -45 cm soil layer (12.4 gkg-1) 45 -60 cm soil layer (9.8 gkg-1) 60 -75 cm soil layer (8.2 g kg-1).Average SOC concentration with three kinds land use types was ranked as follows :the closed Chinese fir forest lands (13.6 g kg-1) the economic forest lands (12.3 g kg-1) the fallow lands after farming (11.0 gkg-1).SOC concentration of different layers in Chinese fir plantation had a positive linear correlation with the soil pH value (r 0.40), and a significant positive relationship with the contents of total nitrogen (r 0.81) and C N ratio (r 0.87).[ Ch , 2 fig .2 tab .14 ref .]

Vertical distribution of soil organic carbon in Cunninghamia lanceolata plantation

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