A pot experiment for poplar growth and soil quality with sewage sludge application

WANG Gen-mei; ZHANG Huan-chao; YANG Li

doi:10.11833/j.issn.2095-0756.2010.03.011

Volume 27 Issue 3

Jun. 2010

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WANG Gen-mei, ZHANG Huan-chao, YANG Li. A pot experiment for poplar growth and soil quality with sewage sludge application[J]. Journal of Zhejiang A&F University, 2010, 27(3): 385-390. doi: 10.11833/j.issn.2095-0756.2010.03.011

Citation:

WANG Gen-mei, ZHANG Huan-chao, YANG Li. A pot experiment for poplar growth and soil quality with sewage sludge application[J]. Journal of Zhejiang A&F University, 2010, 27(3): 385-390. doi: 10.11833/j.issn.2095-0756.2010.03.011

A pot experiment for poplar growth and soil quality with sewage sludge application

doi: 10.11833/j.issn.2095-0756.2010.03.011

1.
College of Forest Resources and Environment，Nanjing Forestry University，Nanjing 210037，Jiangsu，China

More Information

Corresponding author: WANG Gen-mei
Publish Date: 2010-06-20

Abstract

To study the influence of sewage sludge on poplar （Populus deltoids Lus P. euramericana I-45/51） growth and on soil environmental quality，a greenhouse，pot experiment was conducted with anaerobically digested，dewatered sludge obtained from the Wuxi Lucun Wastewater Treatment Plant in Jiangsu Province. A two factor gradient test design with five treatments （rates of sludge application expressed as sludge to soil ratio） of 0（control），30，60，120，and 240 gkg-1 and two soil types（calcareous soil and yellow brown soil） with 3 replications was established to test height，diameter，biomass，and concentrations of heavy metals，Cu and Zn. Results showed that for calcareous soil，poplar growth was promoted with the 30 gkg-1 sludge treatment，whereas the other treatments all restrained growth；and for yellow brown soil，poplar growth of all treatments were promoted，but 30 gkg-1 sludge treatment was better than the others. In addition，soil total and available N and P as well as organic matter increased（P＜0.05）. After sewage sludge application，exchangeable Cu and Zn also increased，and there was a positive relationship（r0.05 = 0.811） between sludge ratio and exchangeable metal concentration. Thus，compared with no sewage sludge application，a 3% sludge treatment could promote growth and production of poplar［Ch，1 fig. 4 tab. 15 ref.］
- soil science,
- sewage sludge,
- poplar,
- soil nutrition,
- heavy non-ferrous metals

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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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A pot experiment for poplar growth and soil quality with sewage sludge application

1. College of Forest Resources and Environment，Nanjing Forestry University，Nanjing 210037，Jiangsu，China

Corresponding author: WANG Gen-mei

Publish Date: 2010-06-20

Key words:

Abstract: To study the influence of sewage sludge on poplar （Populus deltoids Lus P. euramericana I-45/51） growth and on soil environmental quality，a greenhouse，pot experiment was conducted with anaerobically digested，dewatered sludge obtained from the Wuxi Lucun Wastewater Treatment Plant in Jiangsu Province. A two factor gradient test design with five treatments （rates of sludge application expressed as sludge to soil ratio） of 0（control），30，60，120，and 240 gkg-1 and two soil types（calcareous soil and yellow brown soil） with 3 replications was established to test height，diameter，biomass，and concentrations of heavy metals，Cu and Zn. Results showed that for calcareous soil，poplar growth was promoted with the 30 gkg-1 sludge treatment，whereas the other treatments all restrained growth；and for yellow brown soil，poplar growth of all treatments were promoted，but 30 gkg-1 sludge treatment was better than the others. In addition，soil total and available N and P as well as organic matter increased（P＜0.05）. After sewage sludge application，exchangeable Cu and Zn also increased，and there was a positive relationship（r0.05 = 0.811） between sludge ratio and exchangeable metal concentration. Thus，compared with no sewage sludge application，a 3% sludge treatment could promote growth and production of poplar［Ch，1 fig. 4 tab. 15 ref.］

A pot experiment for poplar growth and soil quality with sewage sludge application

doi: 10.11833/j.issn.2095-0756.2010.03.011

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views