菌渣对蓖麻修复镉和锌复合污染土壤的影响

doi:10.12066/j.issn.1007-2861.1855

Journal of Shanghai University（Natural Science Edition） ›› 2018, Vol. 24 ›› Issue (6): 931-937.doi: 10.12066/j.issn.1007-2861.1855

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Effect of SMS on the phytoremediation of Ricinus communis to Cd/Zn polluted soil

SHI Zhengchi¹^,³, HE Chiquan²^,³(), XIONG Pengpeng¹^,³, CHENG Xue²^,³

1. School of Life Sciences, Shanghai University, Shanghai 200444, China
2. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China
3. Shanghai Key Laboratory of Bio-Energy Crops, Shanghai University, Shanghai 200444, China

Received:2016-11-22 Online:2018-12-30 Published:2018-12-26
Contact: HE Chiquan E-mail:cqhe@shu.edu.cn

Abstract

Abstract:

To determine the underlying use of inorganic fertilizer (IF) and spent mushroom substrate (SMS) that can improve chemical and physical properties of Zn/Cd polluted soil, Ricinus communis pot experiments (Cd0Zn0, Cd1Zn0, Cd1Zn100, Cd1Zn500, Cd1Zn1000) were performed. The results show that addition of SMS (5${\%}$) can decrease water loss (78.6${\%}$) and obviously increase soil porosity (19.7${\%}$) compared with the control samples, indicating that SMS can maintain soil moisture and improve permeability. Compared with the addition of inorganic fertilizer, SMS increases oxidation-reduction potential by 65.5${\%}$$\sim$81.4${\%}$, and microbial activity of soil by 78${\%}$$\sim$126${\%}$. That means that SMS can improve nutrient availability and modify the soil condition. Thus, SMS can improve metal polluted soil condition by altering chemical and physical properties of soil.

Key words: heavy metal polluted soil, chemical and physical properties, spent mushroom substrate, modified

CLC Number:

X171
X5

SHI Zhengchi, HE Chiquan, XIONG Pengpeng, CHENG Xue. Effect of SMS on the phytoremediation of Ricinus communis to Cd/Zn polluted soil[J]. Journal of Shanghai University（Natural Science Edition）, 2018, 24(6): 931-937.

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References 14

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Effect of SMS on the phytoremediation of Ricinus communis to Cd/Zn polluted soil

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