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

上海大学学报(自然科学版) ›› 2018, Vol. 24 ›› Issue (6): 931-937.doi: 10.12066/j.issn.1007-2861.1855

菌渣对蓖麻修复镉和锌复合污染土壤的影响

石正驰¹^,³, 何池全²^,³(), 熊鹏鹏¹^,³, 程雪²^,³

1.上海大学生命科学学院, 上海 200444
2.上海大学环境与化学工程学院, 上海 200444
3.上海大学能源作物育种及应用重点实验室, 上海 200444

收稿日期:2016-11-22 出版日期:2018-12-30 发布日期:2018-12-26
通讯作者: 何池全 E-mail:cqhe@shu.edu.cn
基金资助:
上海市科委资助项目(10DZ2271800)

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

摘要/Abstract

摘要：

以蓖麻(Ricinus communis)盆栽为材料, 通过设置不同重金属污染处理组(Cd0Zn0, Cd1Zn0, Cd1Zn100, Cd1Zn500, Cd1Zn1000), 研究添加无机肥和菌渣对土壤理化性质的影响, 以探讨将菌渣作为一种土壤改良剂应用到镉和锌复合污染土壤的可行性. 结果表明: 经过 144 h, 添加 5${\%}$ 菌渣的实验组, 其累计水损失量相较于空白对照组减少了 78.6${\%}$, 同时土壤孔隙率提高了 19.7${\%}$; 相较于无机肥添加组, 土壤氧化还原电位提高了 65.5${\%}$$\sim $81.4${\%}$; 此外, 土壤微生物活性提高了 78${\%}$$\sim $126${\%}$. 这表明, 菌渣能够通过提高土壤孔隙率来提高土壤氧化还原电位和土壤的微生物活性, 从而达到改良土壤的目的.

关键词: 重金属污染土壤, 理化性质, 菌渣, 改良

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

中图分类号:

X171
X5

石正驰, 何池全, 熊鹏鹏, 程雪. 菌渣对蓖麻修复镉和锌复合污染土壤的影响[J]. 上海大学学报(自然科学版), 2018, 24(6): 931-937.

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.

图/表 4

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菌渣对蓖麻修复镉和锌复合污染土壤的影响

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

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