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Cited by 96Heavy metals in environmentHeavy Metal Pollution RemediationHeavy Metals in Plants

Potential of Industrial Hemp for Phytoremediation of Heavy Metals

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Placido, Dante F., Lee, Charles C.·2022·Plants
DOI 10.3390/plants11050595PMC PMC8912475
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Abstract

The accumulation of anthropogenic heavy metals in soil is a major form of pollution. Such potentially toxic elements are nonbiodegradable and persist for many years as threats to human and environmental health. Traditional forms of remediation are costly and potentially damaging to the land. An alternative strategy is phytoremediation, where plants are used to capture metals from the environment. Industrial hemp (Cannabis sativa) is a promising candidate for phytoremediation. Hemp has deep roots and is tolerant to the accumulation of different metals. In addition, the crop biomass has many potential commercial uses after harvesting is completed. Furthermore, the recent availability of an annotated genome sequence provides a powerful tool for the bioengineering of C. sativa for better phytoremediation.

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  • As a result, roots, leaves, and stalks from phytoremediation are not used to make food or personal care products but may be used to make biofuel, paper, fabric, and construction materials.

    “As a result, these parts are not used to make food or personal care products but may be used to make biofuel, paper, fabric, and construction materials (Placido and Lee 2022; Vandenhove and Van Hees 2005).”

    From A critical review of industrial fiber hemp anatomy, agronomic practices, and valorization into sustainable bioproducts (2025) · cites this paper as Placido and Lee 2022

    Section 2.2 says toxins can accumulate in roots, leaves, and stalks; it then says leaves are not used for food or personal care products, while stalks can be used for building materials, paper, cloth, and biofuel. The claim extends those restrictions and potential uses to all three plant parts, which the passage does not establish. (LLM, conf=0.87)

    Experimental — accuracy not yet measured

  • The industrial hemp plant has deep roots, 45 to 90 cm long, which helps in phytoremediation of heavy metals in the soil, such as chromium, iron, and cadmium.

    “The industrial hemp plant has deep roots, 45 to 90 cm long, which helps in phytoremediation of heavy metals in the soil, such as chromium, iron, and cadmium (Placido and Lee 2022; Xu et al. 2022).”

    From A critical review of industrial fiber hemp anatomy, agronomic practices, and valorization into sustainable bioproducts (2025) · cites this paper as Placido and Lee 2022

    The Introduction states that hemp has roots 45–90 cm deep and that its deep roots help it extract metals from soil. Sections 2.3 and 2.7 discuss chromium and cadmium uptake, respectively. Our copy does not establish iron phytoremediation by hemp (searched: iron and iron uptake). (LLM, conf=0.88)

    Experimental — accuracy not yet measured

  • Hemp has potential in phytoremediation by absorbing pollutants or heavy metals via its deep root system, aiding land reclamation and environmental remediation.

    “Hemp has been recognized for its potential in phytoremediation, a process whereby plants can help detoxify contaminated soils by absorbing pollutants or heavy metals by its deep root system, thus aiding land reclamation and environmental remediation (Placido and Lee 2022).”

    From A critical review of industrial fiber hemp anatomy, agronomic practices, and valorization into sustainable bioproducts (2025) · cites this paper as Placido and Lee 2022

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Authors
Placido, D. F., & Lee, C. C.
Affiliations
Agricultural Research Service (US)
Corresponding author
Lee, Charles C.
ORCID
Lee, Charles C.
Venue
Plants
Publisher
MDPI AG
Published
2022-02-23
Volume
11
Issue
5
Pages
595
ISSN
2223-7747 (ISSN-L)
DOI
10.3390/plants11050595
PMC
PMC8912475
OpenAlex
W4213431040
Cited by
96
References
9
Citations by year
2026: 21 · 2025: 23 · 2024: 21 · 2023: 22 · 2022: 9
FWCI
1.07
Type
journal article
Language
en
Open access
Licence
Locations
  • Plants (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Physical Sciences › Environmental Science › Pollution › Heavy metals in environment
  • Physical Sciences › Environmental Science › Water Science and Technology › Heavy Metal Pollution Remediation
  • Physical Sciences › Chemistry › Analytical Chemistry › Heavy Metals in Plants
Keywords
industrial hemp, Cannabis sativa, phytoremediation, heavy metals, soil contamination, metal accumulation, metal tolerance, bioengineering, genome annotation, biomass utilization

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