PhytOC in plant ecological system and its important roles in the global soil carbon sink

MENG Cifu; JIANG Peikun; XU Qiufang; ZHOU Guomo; SONG Zhaoliang; HUANG Zhangting

doi:10.11833/j.issn.2095-0756.2013.06.018

Volume 30 Issue 6

Nov. 2013

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MENG Cifu, JIANG Peikun, XU Qiufang, ZHOU Guomo, SONG Zhaoliang, HUANG Zhangting. PhytOC in plant ecological system and its important roles in the global soil carbon sink[J]. Journal of Zhejiang A&F University, 2013, 30(6): 921-929. doi: 10.11833/j.issn.2095-0756.2013.06.018

Citation:

MENG Cifu, JIANG Peikun, XU Qiufang, ZHOU Guomo, SONG Zhaoliang, HUANG Zhangting. PhytOC in plant ecological system and its important roles in the global soil carbon sink[J]. Journal of Zhejiang A&F University, 2013, 30(6): 921-929. doi: 10.11833/j.issn.2095-0756.2013.06.018

PhytOC in plant ecological system and its important roles in the global soil carbon sink

doi: 10.11833/j.issn.2095-0756.2013.06.018

1.
School of Environmental and Resource Sciences，Zhejiang A & F University，Lin’an 311300，Zhejiang, China

More Information

Corresponding author: JIANG Peikun
Received Date: 2012-11-14
Rev Recd Date: 2013-05-13
Publish Date: 2013-12-20

Abstract

As a substantial component of soil organic carbon occluded within phytoliths，PhytOC is a result of biomineralization within plants and highly resistant to decomposition in the soil environment. PhytOC accumulation rates have contributed about 15.0%-37.0% to the estimated global mean long-term soil carbon accumulation rate which is 2.4 gm-2a-1 over the last 10 000 years. There are ways to enhance both short and long-term carbon sequestration by cultivation of high PhytOC-yielding plant species of agricultural crops. Most of the economically important agricultural plant species such as barley，maize，rice，sorghum，sugarcane and wheat, are producers of phytoliths. It was estimated that the above-mentioned crops globally produced PhytOC of （5.08-12.01）106 ta-1. The paper reviewed the formation mechanism，characteristics and accumulation rate of PhytOC in the plant ecological system，the agronomy measures to improve the accumulation rate and its important role in the global soil carbon sink. ［Ch，56 ref.］
- soil science,
- plant ecological system,
- phytoliths,
- PhytOC,
- global soil carbon sink,
- review

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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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PhytOC in plant ecological system and its important roles in the global soil carbon sink

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

Corresponding author: JIANG Peikun

Received Date: 2012-11-14

Rev Recd Date: 2013-05-13

Publish Date: 2013-12-20

Key words:

Abstract: As a substantial component of soil organic carbon occluded within phytoliths，PhytOC is a result of biomineralization within plants and highly resistant to decomposition in the soil environment. PhytOC accumulation rates have contributed about 15.0%-37.0% to the estimated global mean long-term soil carbon accumulation rate which is 2.4 gm-2a-1 over the last 10 000 years. There are ways to enhance both short and long-term carbon sequestration by cultivation of high PhytOC-yielding plant species of agricultural crops. Most of the economically important agricultural plant species such as barley，maize，rice，sorghum，sugarcane and wheat, are producers of phytoliths. It was estimated that the above-mentioned crops globally produced PhytOC of （5.08-12.01）106 ta-1. The paper reviewed the formation mechanism，characteristics and accumulation rate of PhytOC in the plant ecological system，the agronomy measures to improve the accumulation rate and its important role in the global soil carbon sink. ［Ch，56 ref.］

PhytOC in plant ecological system and its important roles in the global soil carbon sink

doi: 10.11833/j.issn.2095-0756.2013.06.018

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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