Years of cultivation along with light and high fractions of soil organic carbon in a <em>Carya cathayensis</em> forest

SHENG Weixing; WU Jiasen; XU Jianchun; ZHANG Shaowei; CAI Jianrong

doi:10.11833/j.issn.2095-0756.2015.05.022

Volume 32 Issue 5

Sep. 2015

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SHENG Weixing, WU Jiasen, XU Jianchun, ZHANG Shaowei, CAI Jianrong. Years of cultivation along with light and high fractions of soil organic carbon in a Carya cathayensis forest[J]. Journal of Zhejiang A&F University, 2015, 32(5): 803-808. doi: 10.11833/j.issn.2095-0756.2015.05.022

Citation:

SHENG Weixing, WU Jiasen, XU Jianchun, ZHANG Shaowei, CAI Jianrong. Years of cultivation along with light and high fractions of soil organic carbon in a Carya cathayensis forest[J]. Journal of Zhejiang A&F University, 2015, 32(5): 803-808. doi: 10.11833/j.issn.2095-0756.2015.05.022

Years of cultivation along with light and high fractions of soil organic carbon in a Carya cathayensis forest

doi: 10.11833/j.issn.2095-0756.2015.05.022

1.
Forest Enterprise of Jiande City, Jiande 311600, Zhejiang, China;
2.
School of Environmental and Resource Sciences, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;
3.
Forest Enterprise of Kaihua City, Kaihua 324300, Zhejiang, China;
4.
Forest Farm of Xin’anjiang, Jiande 311600, Zhejiang, China

Funds:

浙江省科学技术重点科技创新团队资助项目（2009R50033）

Received Date: 2014-12-01
Rev Recd Date: 2015-03-04
Publish Date: 2015-10-20

Abstract

Forests of Carya cathayensis （Chinese hickory）, a unique tree species with seeds that produce high-grade oil. Intensive management including heavy application of chemical fertilizer and long-term application of herbicides has resulted in serious soil organic carbon （SOC） decrea. To evaluate what kind of composition of SOC decrea, soil samples collected from intensively-managed forests （IMF） of 5, 10, 15, and 20 years were compared to samples of IMF forests newly converted （year 0） from an evergreen and deciduous broadleaf forest （EDBF）. The results indicated that SOC, light fraction organic carbon （LFOC）, and high fraction organic carbon （HFOC） decreased after converting an EDBE to an IMF. Compared to the EDBF, in the Chinese hickory forest with 20 years intensive management, there was a decrease in SOC （38.6%）, LFOC （68.2%）, and HFOC （26.0%）. After 5 years of intensive management, LFOC/SOC decreased from 23.0% to 17.0%; whereas HFOC/SOC increased from 70.0% to 83.0%. The results demonstrate that LFOC is the main composition of SOC decreased after converting an EDBE to an IMF. ［Ch, 3 fig. 2 tab. 26 ref.］
- forest soil science,
- light fraction organic carbon（LFOC）,
- heavy fraction organic carbon（HFOC）,
- Carya cathayensis

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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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Years of cultivation along with light and high fractions of soil organic carbon in a Carya cathayensis forest

1. Forest Enterprise of Jiande City, Jiande 311600, Zhejiang, China;

2. School of Environmental and Resource Sciences, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;

3. Forest Enterprise of Kaihua City, Kaihua 324300, Zhejiang, China;

4. Forest Farm of Xin’anjiang, Jiande 311600, Zhejiang, China

Funds:

浙江省科学技术重点科技创新团队资助项目（2009R50033）

Received Date: 2014-12-01

Rev Recd Date: 2015-03-04

Publish Date: 2015-10-20

Key words:

Abstract: Forests of Carya cathayensis （Chinese hickory）, a unique tree species with seeds that produce high-grade oil. Intensive management including heavy application of chemical fertilizer and long-term application of herbicides has resulted in serious soil organic carbon （SOC） decrea. To evaluate what kind of composition of SOC decrea, soil samples collected from intensively-managed forests （IMF） of 5, 10, 15, and 20 years were compared to samples of IMF forests newly converted （year 0） from an evergreen and deciduous broadleaf forest （EDBF）. The results indicated that SOC, light fraction organic carbon （LFOC）, and high fraction organic carbon （HFOC） decreased after converting an EDBE to an IMF. Compared to the EDBF, in the Chinese hickory forest with 20 years intensive management, there was a decrease in SOC （38.6%）, LFOC （68.2%）, and HFOC （26.0%）. After 5 years of intensive management, LFOC/SOC decreased from 23.0% to 17.0%; whereas HFOC/SOC increased from 70.0% to 83.0%. The results demonstrate that LFOC is the main composition of SOC decreased after converting an EDBE to an IMF. ［Ch, 3 fig. 2 tab. 26 ref.］

Years of cultivation along with light and high fractions of soil organic carbon in a Carya cathayensis forest

doi: 10.11833/j.issn.2095-0756.2015.05.022

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Years of cultivation along with light and high fractions of soil organic carbon in a Carya cathayensis forest

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