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Singh PK, Yadav JS, Kumar I, Kumar U, Sharma RK. Screening of mustard cultivars for phytoremediation of heavy metals contamination in wastewater irrigated soil systems. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:321. [PMID: 38418671 DOI: 10.1007/s10661-024-12506-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Accepted: 02/24/2024] [Indexed: 03/02/2024]
Abstract
The mustard (Brassica juncea L.) plant is a well-known and widely accepted hyper-accumulator of heavy metals. The genetic makeup of mustard's cultivars may significantly impact their phytoremediation capabilities. The present study aimed to investigate the growth performance, yield attributes, and heavy metal accumulation potential of B. juncea cv. Varuna, NRCHB 101, RH 749, Giriraj, and Kranti, cultivated in soil irrigated with wastewater (EPS) and bore-well water (MPS). EPS contributed more Cr, Cd, Cu, Zn, and Ni to tested mustard cultivars than the MPS. EPS reduced morphological, biochemical, physiological, and yield attributes of tested mustard cultivars significantly (p < 0.05) than the MPS. Among the tested cultivars of mustard plants, Varuna had the highest heavy metal load with the lowest harvest index (35.8 and 0.21, respectively). Whereas NRCHB 101 showed the lowest heavy metal load with the highest harvest index (26.9 and 0.43, respectively). The present study suggests that B. juncea cv. Varuna and NRCHB 101 could be used for the phytoextraction of heavy metals and reducing their contamination in food chain, respectively in wastewater irrigated areas of peri-urban India. The outcomes of the present study can also be utilized to develop a management strategy for sustainable agriculture in heavy metal polluted areas resulting from long-term wastewater irrigation.
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Affiliation(s)
- Prince Kumar Singh
- Laboratory of Ecotoxicology, Department of Botany, Institute of Science, Banaras Hindu University, -221005, Varanasi, India
| | - Jay Shankar Yadav
- Laboratory of Ecotoxicology, Department of Botany, Institute of Science, Banaras Hindu University, -221005, Varanasi, India
| | - Indrajeet Kumar
- Laboratory of Ecotoxicology, Department of Botany, Institute of Science, Banaras Hindu University, -221005, Varanasi, India
| | - Umesh Kumar
- Laboratory of Ecotoxicology, Department of Botany, Institute of Science, Banaras Hindu University, -221005, Varanasi, India
| | - Rajesh Kumar Sharma
- Laboratory of Ecotoxicology, Department of Botany, Institute of Science, Banaras Hindu University, -221005, Varanasi, India.
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M. El-Feky A, Saber M, Abd-el-Kader MM, Kantoush SA, Sumi T, Alfaisal F, Abdelhaleem A. Comprehensive environmental impact assessment and irrigation wastewater suitability of the Arab El-Madabegh wastewater treatment plant, ASSIUT CITY, EGYPT. PLoS One 2024; 19:e0297556. [PMID: 38422095 PMCID: PMC10903899 DOI: 10.1371/journal.pone.0297556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 01/09/2024] [Indexed: 03/02/2024] Open
Abstract
The presence of a wastewater treatment plant in the Arab El-Madabegh region, which discharges excessive amounts of raw effluent toward the nearby farming fields, is the area's main issue. Examining the harmful implications of raw effluent releases on groundwater quality, determining if treated wastewater effluent complies with regulations for discharge into the aquatic environment, and assessing irrigation appropriateness by the effluent are the main goals of this work. In order to accomplish these targets, twelve treated effluent samples from the Arab El-Madabegh wastewater treatment plant were gathered every two weeks starting in January 2012 and finishing in June 2012. They were tested to determine pH, Total Dissolved Solids (TDS), Total Suspended Solids (TSS), Temperature (Temp), Conductivity (EC), Turbidity (Turb.), Chemical Oxygen Demand (COD), Biological Oxygen Demand (BOD), Total Organic Carbon (TOC), NO3-, SO42-, Cl-, Ca2+, PO43-, HCO3-, Na+, Mg2+, and heavy metals such as (Fe, Mn, K+, Cr, Pb, Zn, Ni, Cu, and Cd). The outcomes revealed that all Egyptian and Food and Agricultural Organization (FAO) standards for unrestricted irrigation were met by the treated effluents, except for COD, which exceeded than the Egyptian allowed limit. The evaluation indices of the effluent's EC, SAR, PI, MR, and MH were in the low-risk category according to indicators of water quality for irrigation, nevertheless, The SSP and RSC both showed slightly higher values (67.9% and 2.76, respectively). As well, The average values of heavy metals in treated wastewater effluent were found to be below permitted limits, with the exception of lead and phosphate, which exceeded permissible limits in Egypt. The environmental sustainability (ecological friendliness) of reusing and recycling tertiary treated wastewater can be achieved in agriculture to reduce the adverse impacts on the aquatic environment.
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Affiliation(s)
- Ahmed M. El-Feky
- Agricultural Engineering Department, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Mohamed Saber
- Water Resources Research Center, DPRI, Kyoto University, Goka-sho, Uji City, Kyoto, Japan
| | - Mahmoud M. Abd-el-Kader
- Agricultural Engineering Department, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Sameh A. Kantoush
- Water Resources Research Center, DPRI, Kyoto University, Goka-sho, Uji City, Kyoto, Japan
| | - Tetsuya Sumi
- Water Resources Research Center, DPRI, Kyoto University, Goka-sho, Uji City, Kyoto, Japan
| | - Faisal Alfaisal
- Department of Civil Engineering, College of Engineering, King Saud University, Riyadh, Saudi Arabia
| | - Amal Abdelhaleem
- Egypt-Japan University of Science and Technology, New Borg El-Arab City, Alexandria, Egypt
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Proshad R, Idris AM. Evaluation of heavy metals contamination in cereals, vegetables and fruits with probabilistic health hazard in a highly polluted megacity. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27977-0. [PMID: 37289387 DOI: 10.1007/s11356-023-27977-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 05/24/2023] [Indexed: 06/09/2023]
Abstract
Heavy metals (HMs) contamination in foodstuffs could pose serious health issues for public health and humans are continually exposed to HMs through the consumption of cereals, fruits, and vegetables. The present study was conducted to assess 11 HMs in foodstuffs to investigate pollution levels and health risks to children and adults. The mean contents of Cd, Cr, Cu, Ni, Zn, Fe, Pb, Co, As, Mn and Ba in foodstuffs were 0.69, 2.73, 10.56, 6.60, 14.50, 9.63, 2.75, 0.50, 0.94, 15.39 and 0.43 mg/kg, respectively and the concentration of Cd, Cr, Cu, Ni and Pb were higher than maximum permissible concentrations (MPCs) showing that these foods may be contaminated with metals and constitute a danger to consumers. Vegetables had relatively higher metal contents followed by cereals and fruits. The average value of the Nemerrow composite pollution index (NCPI) for cereals, fruits, and vegetables were 3.99, 6.53, and 11.34, respectively indicating cereal and fruits were moderately contaminated whereas vegetables were heavily contaminated by the studied metals. The total estimated daily and weekly intakes for all studied metals were higher than the maximum tolerable daily intake (MTDI) and provisional tolerance weekly intake (PTWI) recommended by FAO/WHO. The target hazard quotients and hazard index of all studied metals exceeded the standard limit for adults and children suggesting significant non-carcinogenic health hazards. The total cancer risk value of Cd, Cr, Ni, Pb, and As from food intake exceeded the threshold range (1.0E-04), suggesting potential carcinogenic risks. Based on practical and sensible evaluation techniques, the current work will assist policymakers in controlling metal contamination in foodstuffs.
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Affiliation(s)
- Ram Proshad
- Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610041, Sichuan, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Abubakr M Idris
- Department of Chemistry, College of Science, King Khalid University, Abha, 62529, Saudi Arabia
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, 62529, Saudi Arabia
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El Youssfi M, Sifou A, Ben Aakame R, Mahnine N, Arsalane S, Halim M, Laghzizil A, Zinedine A. Trace elements in Foodstuffs from the Mediterranean Basin-Occurrence, Risk Assessment, Regulations, and Prevention strategies: A review. Biol Trace Elem Res 2023; 201:2597-2626. [PMID: 35754061 DOI: 10.1007/s12011-022-03334-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/14/2022] [Indexed: 11/24/2022]
Abstract
Trace elements (TEs) are chemical compounds that naturally occur in the earth's crust and in living organisms at low concentrations. Anthropogenic activities can significantly increase the level of TEs in the environment and finally enter the food chain. Toxic TEs like cadmium, lead, arsenic, and mercury have no positive role in a biological system and can cause harmful effects on human health. Ingestion of contaminated food is a typical route of TEs intake by humans. Recent data about the occurrence of TEs in food available in the Mediterranean countries are considered in this review. Analytical methods are also discussed. Furthermore, a discussion of existing international agency regulations will be given. The risk associated with the dietary intake of TEs was estimated by considering consumer exposure and threshold values such as Benchmark dose lower confidence limit and provisional tolerable weekly intake established by the European Food Safety Authority and the Joint FAO/WHO Expert Committee on Food Additives, respectively. Finally, several remediation approaches to minimize TE contamination in foodstuffs were discussed including chemical, biological, biotechnological, and nanotechnological methods. The results of this study proved the occurrence of TEs contamination at high levels in vegetables and fish from some Mediterranean countries. Lead and cadmium are more abundant in foodstuffs than other toxic trace elements. Geographical variations in TE contamination of food crops clearly appear, with a greater risk in developing countries. There is still a need for the regular monitoring of these toxic element levels in food items to ensure consumer protection.
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Affiliation(s)
- Mourad El Youssfi
- Laboratory of Applied Chemistry of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta BP.1014 Agdal, Rabat, Morocco
- Laboratory of Nanomaterials, Nanotechnologies and Environment, Center of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta, BP.1014, 10000, Rabat, Morocco
| | - Aicha Sifou
- Laboratory of Nanomaterials, Nanotechnologies and Environment, Center of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta, BP.1014, 10000, Rabat, Morocco
| | - Rachid Ben Aakame
- Laboratory of Food Toxicology, National Institute of Hygiene (INH), BP 769 Agdal, 27, Avenue Ibn Batouta, Rabat, Morocco
| | - Naima Mahnine
- Laboratory of Food Toxicology, National Institute of Hygiene (INH), BP 769 Agdal, 27, Avenue Ibn Batouta, Rabat, Morocco
| | - Said Arsalane
- Laboratory of Nanomaterials, Nanotechnologies and Environment, Center of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta, BP.1014, 10000, Rabat, Morocco
| | - Mohammed Halim
- Laboratory of Nanomaterials, Nanotechnologies and Environment, Center of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta, BP.1014, 10000, Rabat, Morocco
| | - Abdelaziz Laghzizil
- Laboratory of Applied Chemistry of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta BP.1014 Agdal, Rabat, Morocco
| | - Abdellah Zinedine
- BIOMARE Laboratory, Chouaib Doukkali University, Faculty of Sciences, Route Ben Maachou, PO Box 20, 24000, El Jadida, Morocco.
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Yu X, Yan M, Cui Y, Liu Z, Liu H, Zhou J, Liu J, Zeng L, Chen Q, Gu Y, Zou L, Zhao K, Xiang Q, Ma M, Li S. Effects of Co-application of Cadmium-Immobilizing Bacteria and Organic Fertilizers on Houttuynia cordata and Microbial Communities in a Cadmium-Contaminated Field. Front Microbiol 2022; 12:809834. [PMID: 35601203 PMCID: PMC9122265 DOI: 10.3389/fmicb.2021.809834] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/10/2021] [Indexed: 12/21/2022] Open
Abstract
Cadmium pollution is a serious threat to the soil environment. The application of bio-based fertilizers in combination with beneficial microbial agents is a sustainable approach to solving Cd pollution in farm soil. The present study investigated the effects of co-application of a Cd-immobilizing bacterial agent and two fermented organic fertilizers (fermentative edible fungi residue; fermentative cow dung) on Houttuynia cordata and its microbial communities in a Cd-polluted field. It showed that both the application of the Cd-immobilizing bacterial agent alone and the combined application of bio-based soil amendments and the bacterial agent effectively reduced >20% of the uptake of Cd by the plant. Soil nitrogen level was significantly raised after the combined fertilization. The multivariate diversity analysis and co-occurrence network algorithm showed that a significant shift of microbial communities took place, in which the microbial populations tended to be homogeneous with reduced microbial richness and increased diversity after the co-application. The treatment of fermentative cow dung with the addition of the bacterial agent showed a significant increase in the microbial community dissimilarity (R = 0.996, p = 0.001) compared to that treated with cow dung alone. The co-application of the bacterial agent with both organic fertilizers significantly increased the abundance of Actinobacteria and Bacteroidetes. The FAPROTAX soil functional analysis revealed that the introduction of the microbial agent could potentially suppress human pathogenic microorganisms in the field fertilized with edible fungi residue. It also showed that the microbial agent can reduce the nitrite oxidation function in the soil when applied alone or with the organic fertilizers. Our study thus highlights the beneficial effects of the Cd-immobilizing bacterial inoculant on H. cordata and provides a better understanding of the microbial changes induced by the combined fertilization using the microbial agent and organic soil amendments in a Cd-contaminated field.
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Affiliation(s)
- Xiumei Yu
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Min Yan
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Yongliang Cui
- Sichuan Provincial Academy of Natural Resource Sciences, Chengdu, China
| | - Zhongyi Liu
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Han Liu
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Jie Zhou
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Jiahao Liu
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Lan Zeng
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Qiang Chen
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Yunfu Gu
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Likou Zou
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Ke Zhao
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Quanju Xiang
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Menggen Ma
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Shuangcheng Li
- College of Resources, Sichuan Agricultural University, Chengdu, China
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Thalassinos G, Antoniadis V. Monitoring Potentially Toxic Element Pollution in Three Wheat-Grown Areas with a Long History of Industrial Activity and Assessment of Their Effect on Human Health in Central Greece. TOXICS 2021; 9:toxics9110293. [PMID: 34822684 PMCID: PMC8624685 DOI: 10.3390/toxics9110293] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 10/26/2021] [Accepted: 10/27/2021] [Indexed: 12/02/2022]
Abstract
Agricultural lands, especially those where wheat is cultivated, in the vicinity of intense anthropogenic activities may be laden with potentially toxic elements (PTEs), resulting in increased risk for human health. In this study we monitored three regions located in central Greece, currently cultivated with wheat: Domokos and Eretria, two areas with abandoned chromium mines, but never studied before, and the industrial area of Volos, near a major steel factory. All soils were alkaline with medium CaCO3 content. As expected, Cr was extremely high in the first two areas (705.2 in Eretria and 777.5 mg kg−1 in Domokos); Ni was also found elevated (1227 in Eretria, 1315 in Domokos and 257.6 mg kg−1 in the steel factory), while other harmful metals (Cd, Cu, Pb and Zn) were rather low. As a result, pollution load index, a cumulative index showing the contamination level of an area, was higher than 1.0 in all three areas (Eretria = 2.20, Domokos = 2.28, and steel factory = 1.61), indicating high contamination and anthropogenic inputs. As for the wheat parts (shoots and grains), they were found to have no elevated concentrations of any of the measured metals in all three study areas, probably due to the alkaline soil pH that decelerates metal mobility. This was also confirmed by the very low soil-to-plant transfer coefficient values for all metals. In assessing the possible risk concerning human health, we found that the soil-to-human pathway would induce no significant risk (exhibited by hazard index of less than 1.0), while the risk from grain-to-human resulted in considerable risk for human health in the steel factory of Volos (where HI > 1.0). Our findings suggest that rural areas never studied before with a history in some offensive anthropogenic activity can prove to be a contamination hotspot; we regard this study as a pivotal for similarly never-visited-before areas casually cultivated with wheat (or other important crops for human nutrition). We further recognize the need for a more in-depth study that would acknowledge the geochemical speciation of the studied metals and also monitor other important crops and their possible uptake of PTEs.
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Predicting Bioaccumulation of Potentially Toxic Element in Soil–Rice Systems Using Multi-Source Data and Machine Learning Methods: A Case Study of an Industrial City in Southeast China. LAND 2021. [DOI: 10.3390/land10060558] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Potentially toxic element (PTE) pollution in farmland soils and crops is a serious cause of concern in China. To analyze the bioaccumulation characteristics of chromium (Cr), zinc (Zn), copper (Cu), and nickel (Ni) in soil-rice systems, 911 pairs of top soil (0–0.2 m) and rice samples were collected from an industrial city in Southeast China. Multiple linear regression (MLR), support vector machines (SVM), random forest (RF), and Cubist were employed to construct models to predict the bioaccumulation coefficient (BAC) of PTEs in soil–rice systems and determine the potential dominators for PTE transfer from soil to rice grains. Cr, Cu, Zn, and Ni contents in soil of the survey region were higher than corresponding background contents in China. The mean Ni content of rice grains exceeded the national permissible limit, whereas the concentrations of Cr, Cu, and Zn were lower than their thresholds. The BAC of PTEs kept the sequence of Zn (0.219) > Cu (0.093) > Ni (0.032) > Cr (0.018). Of the four algorithms employed to estimate the bioaccumulation of Cr, Cu, Zn, and Ni in soil–rice systems, RF exhibited the best performance, with coefficient of determination (R2) ranging from 0.58 to 0.79 and root mean square error (RMSE) ranging from 0.03 to 0.04 mg kg−1. Total PTE concentration in soil, cation exchange capacity (CEC), and annual average precipitation were identified as top 3 dominators influencing PTE transfer from soil to rice grains. This study confirmed the feasibility and advantages of machine learning methods especially RF for estimating PTE accumulation in soil–rice systems, when compared with traditional statistical methods, such as MLR. Our study provides new tools for analyzing the transfer of PTEs from soil to rice, and can help decision-makers in developing more efficient policies for regulating PTE pollution in soil and crops, and reducing the corresponding health risks.
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Yu X, Yan M, Cui Y, Liu Z, Liu H, Zhou J, Liu J, Zeng L, Chen Q, Gu Y, Zou L, Zhao K, Xiang Q, Ma M, Li S. Effects of Co-application of Cadmium-Immobilizing Bacteria and Organic Fertilizers on Houttuynia cordata and Microbial Communities in a Cadmium-Contaminated Field. Front Microbiol 2021. [PMID: 35601203 DOI: 10.3389/fmicb.2021.687888/full] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/15/2023] Open
Abstract
Cadmium pollution is a serious threat to the soil environment. The application of bio-based fertilizers in combination with beneficial microbial agents is a sustainable approach to solving Cd pollution in farm soil. The present study investigated the effects of co-application of a Cd-immobilizing bacterial agent and two fermented organic fertilizers (fermentative edible fungi residue; fermentative cow dung) on Houttuynia cordata and its microbial communities in a Cd-polluted field. It showed that both the application of the Cd-immobilizing bacterial agent alone and the combined application of bio-based soil amendments and the bacterial agent effectively reduced >20% of the uptake of Cd by the plant. Soil nitrogen level was significantly raised after the combined fertilization. The multivariate diversity analysis and co-occurrence network algorithm showed that a significant shift of microbial communities took place, in which the microbial populations tended to be homogeneous with reduced microbial richness and increased diversity after the co-application. The treatment of fermentative cow dung with the addition of the bacterial agent showed a significant increase in the microbial community dissimilarity (R = 0.996, p = 0.001) compared to that treated with cow dung alone. The co-application of the bacterial agent with both organic fertilizers significantly increased the abundance of Actinobacteria and Bacteroidetes. The FAPROTAX soil functional analysis revealed that the introduction of the microbial agent could potentially suppress human pathogenic microorganisms in the field fertilized with edible fungi residue. It also showed that the microbial agent can reduce the nitrite oxidation function in the soil when applied alone or with the organic fertilizers. Our study thus highlights the beneficial effects of the Cd-immobilizing bacterial inoculant on H. cordata and provides a better understanding of the microbial changes induced by the combined fertilization using the microbial agent and organic soil amendments in a Cd-contaminated field.
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Affiliation(s)
- Xiumei Yu
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Min Yan
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Yongliang Cui
- Sichuan Provincial Academy of Natural Resource Sciences, Chengdu, China
| | - Zhongyi Liu
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Han Liu
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Jie Zhou
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Jiahao Liu
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Lan Zeng
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Qiang Chen
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Yunfu Gu
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Likou Zou
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Ke Zhao
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Quanju Xiang
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Menggen Ma
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Shuangcheng Li
- College of Resources, Sichuan Agricultural University, Chengdu, China
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