Article ; Online: Phytomanagement of Pb/Zn/Cu tailings using biosolids-biochar or -humus combinations: Enhancement of bioenergy crop production, substrate functionality, and ecosystem services.
The Science of the total environment
2022 Volume 836, Page(s) 155676
Abstract: The extreme characteristics of mine tailings generally prohibit microbial processes and natural plant growth. Consequently, vast and numerous tailings sites remain barren for decades and highly susceptible to windblown dust and water erosion. Amendment- ... ...
Abstract | The extreme characteristics of mine tailings generally prohibit microbial processes and natural plant growth. Consequently, vast and numerous tailings sites remain barren for decades and highly susceptible to windblown dust and water erosion. Amendment-assisted phytostabilization is a cost-effective and ecologically productive approach to mitigate the potential transport of residual metals. Due to the contrasting and complementary characteristics of biosolids (BS) and biochar (BC), co-application might be more efficient than individually applied. Studies considering BS and BC co-application for multi-metal tailings revegetation are scarce. As tailings revegetation is a multidimensional issue, clearly notable demand exists for a study that provides a comprehensive understanding on the co-application impact on interrelated properties of physicochemical, biological, mineral nitrogen availability, metal immobilization, water-soil interactions, and impacts on plant cultivation and biomass production. This 8-month greenhouse study aimed at investigating the efficacy of co-application strategies targeting BS and carbon-rich amendments (BC or humic substances (HS)) to phytomanage a slightly alkaline Pb/Zn/Cu tailings with bioenergy crops (poplar, willow, and miscanthus). A complementary assessment linking revegetation effectiveness to ecosystem services (ES) provision was also included. Owing to their rich nutrient and organic matter contents, BS had the most pronounced influence on most of the measured properties including physicochemical, enzyme activities, NH |
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MeSH term(s) | Biodegradation, Environmental ; Biosolids ; Charcoal ; Crop Production ; Ecosystem ; Lead ; Metals, Heavy/analysis ; Plants/metabolism ; Poaceae/metabolism ; Salix/metabolism ; Soil/chemistry ; Soil Pollutants/analysis ; Water ; Zinc |
Chemical Substances | Biosolids ; Metals, Heavy ; Soil ; Soil Pollutants ; biochar ; Water (059QF0KO0R) ; Charcoal (16291-96-6) ; Lead (2P299V784P) ; Zinc (J41CSQ7QDS) |
Language | English |
Publishing date | 2022-05-04 |
Publishing country | Netherlands |
Document type | Journal Article |
ZDB-ID | 121506-1 |
ISSN | 1879-1026 ; 0048-9697 |
ISSN (online) | 1879-1026 |
ISSN | 0048-9697 |
DOI | 10.1016/j.scitotenv.2022.155676 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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