Green-belt soil testing methods for porosity and the importance of porosity on soil fertility evaluation

WU Haibing; LI Aiping; FANG Hailan; HAO Guanjun

doi:10.11833/j.issn.2095-0756.2015.01.014

Volume 32 Issue 1

Jan. 2015

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WU Haibing, LI Aiping, FANG Hailan, HAO Guanjun. Green-belt soil testing methods for porosity and the importance of porosity on soil fertility evaluation[J]. Journal of Zhejiang A&F University, 2015, 32(1): 98-103. doi: 10.11833/j.issn.2095-0756.2015.01.014

Citation:

WU Haibing, LI Aiping, FANG Hailan, HAO Guanjun. Green-belt soil testing methods for porosity and the importance of porosity on soil fertility evaluation[J]. Journal of Zhejiang A&F University, 2015, 32(1): 98-103. doi: 10.11833/j.issn.2095-0756.2015.01.014

Green-belt soil testing methods for porosity and the importance of porosity on soil fertility evaluation

doi: 10.11833/j.issn.2095-0756.2015.01.014

1.
Shanghai Institute of Landscape Gardening, Shanghai 200232, China;
2.
College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China

Received Date: 2014-04-14
Rev Recd Date: 2014-05-27
Publish Date: 2015-02-20

Abstract

In order to discuss the influence of different testing methods for soil porosity and the importance of porosity on soil fertility. First, using typical green-belt soils and natural soils from Shanghai Chenshan Botanical Garden, two soil porosity testing methods, the agriculture method （NY） and the forestry method （LY） were compared. Then, the former Shanghai World Exposition Site was used to evaluate the influence on the fertility of green-belt soils by the main physical properties. Results for green-belt soils showed that except for capillary porosity, total porosity and non-capillary porosity with the NY method was much higher than the LY method（P＜0.05）. For natural soils, no porosity differences were found when comparing the two methods（P＞0.05）. Thus, in green-belt soils, the LY method was more suitable for testing porosities. Results of the green-belt soil fertility evaluation showed that non-capillary porosity influenced soil fertility evaluation more than soil bulk density（P＜0.01）. To evaluate the fertility of green-belt soils, non-capillary porosity should be applied as an important index.［Ch，1 fig. 2 tab. 22 ref.］
- soil science,
- green-belt soil,
- agriculture method,
- forestry method,
- non-capillary porosity,
- soil fertility

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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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Green-belt soil testing methods for porosity and the importance of porosity on soil fertility evaluation

1. Shanghai Institute of Landscape Gardening, Shanghai 200232, China;

2. College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China

Received Date: 2014-04-14

Rev Recd Date: 2014-05-27

Publish Date: 2015-02-20

Key words:

Abstract: In order to discuss the influence of different testing methods for soil porosity and the importance of porosity on soil fertility. First, using typical green-belt soils and natural soils from Shanghai Chenshan Botanical Garden, two soil porosity testing methods, the agriculture method （NY） and the forestry method （LY） were compared. Then, the former Shanghai World Exposition Site was used to evaluate the influence on the fertility of green-belt soils by the main physical properties. Results for green-belt soils showed that except for capillary porosity, total porosity and non-capillary porosity with the NY method was much higher than the LY method（P＜0.05）. For natural soils, no porosity differences were found when comparing the two methods（P＞0.05）. Thus, in green-belt soils, the LY method was more suitable for testing porosities. Results of the green-belt soil fertility evaluation showed that non-capillary porosity influenced soil fertility evaluation more than soil bulk density（P＜0.01）. To evaluate the fertility of green-belt soils, non-capillary porosity should be applied as an important index.［Ch，1 fig. 2 tab. 22 ref.］

Green-belt soil testing methods for porosity and the importance of porosity on soil fertility evaluation

doi: 10.11833/j.issn.2095-0756.2015.01.014

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views