Cited by 408Heavy metals in environmentAdsorption and biosorption for pollutant removalEnvironmental and Analytical Chemistry Studies

Biochar application to a contaminated soil reduces the availability and plant uptake of zinc, lead and cadmium

Puga, A.P., Abreu, C.A., Melo, L.C.A., Beesley, L.·2015·Journal of Environmental Management

Abstract

Heavy metals in soil are naturally occurring but may be enhanced by anthropogenic activities such as mining. Bio-accumulation of heavy metals in the food chain, following their uptake to plants can increase the ecotoxicological risks associated with remediation of contaminated soils using plants. In the current experiment sugar cane straw-derived biochar (BC), produced at 700 °C, was applied to a heavy metal contaminated mine soil at 1.5%, 3.0% and 5.0% (w/w). Jack bean (Canavalia ensiformis) and Mucuna aterrima were grown in pots containing soil and biochar mixtures, and control pots without biochar. Pore water was sampled from each pot to confirm the effects of biochar on metal solubility, whilst soils were analyzed by DTPA extraction to confirm available metal concentrations. Leaves were sampled for SEM analysis to detect possible morphological and anatomical changes. The application of BC decreased the available concentrations of Cd, Pb and Zn in 56, 50 and 54% respectively, in the mine contaminated soil leading to a consistent reduction in the concentration of Zn in the pore water (1st collect: 99 to 39 μg L(-1), 2nd: 97 to 57 μg L(-1) and 3rd: 71 to 12 μg L(-1)). The application of BC reduced the uptake of Cd, Pb and Zn by plants with the jack bean translocating high proportions of metals (especially Cd) to shoots. Metals were also taken up by Mucuna aterrima but translocation to shoot was more limited than for jack bean. There were no differences in the internal struct…

Integrity signals

Registry

Crossref · 10.1016/j.jenvman.2015.05.036

Cites

32 of 32 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Puga, A. P., Abreu, C. A., Melo, L. C. A., & Beesley, L.
Affiliations
  • Agronomical Institute of Campinas (BR)
  • Universidade Federal de Lavras (BR)
  • James Hutton Institute (GB)
Corresponding author
Puga, A.P.
Venue
Journal of Environmental Management
Publisher
Elsevier BV
Published
2015-08
Volume
159
Pages
86-93
ISSN
0301-4797 (ISSN-L)
OpenAlex
W1849209822
Cited by
408
References
32
Citations by year
2026: 21 · 2025: 29 · 2024: 43 · 2023: 36 · 2022: 49 · 2021: 50 · 2020: 49 · 2019: 43 · 2018: 27 · 2017: 30 · 2016: 26 · 2015: 5
FWCI
18.14
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Environmental Management (publishedVersion)
  • PubMed (publishedVersion)
Funders
São Paulo Research Foundation – FAPESP (2014/04454-9, 2012/01799-0)
Topics
  • Physical Sciences › Environmental Science › Pollution › Heavy metals in environment
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Environmental Science › Water Science and Technology › Environmental and Analytical Chemistry Studies
Keywords
biochar, heavy metal contamination, mine soil remediation, zinc, lead, cadmium, metal bioavailability, plant uptake, sugarcane straw, Canavalia ensiformis, Mucuna aterrima, phytoremediation, metal translocation
MeSH terms
Brazil, Cadmium, Charcoal, Lead, Microscopy, Electron, Scanning, Mining, Phosphorus, Potassium, Soil, Soil Pollutants, Zinc, Plant Leaves, Mucuna, Canavalia

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review