Cited by 333Soil Carbon and Nitrogen DynamicsPlant Stress Responses and ToleranceSmart Materials for Construction

The DOI matches its Crossref record; 44 of the 44 references it cites were found in a registry or an index.

Biochar mitigates negative effects of salt additions on two herbaceous plant species

Thomas, Sean C., Frye, Susan, Gale, Nigel, Garmon, Matthew, Launchbury, Rebecca, Machado, Natasha, Melamed, Sarah, Murray, Jessica, Petroff, Alexandre, Winsborough, Carolyn·2013·Journal of Environmental Management

Abstract

Addition of pyrolyzed biomass ("biochar") to soils has commonly been shown to increase crop yields and alleviate plant stresses associated with drought and exposure to toxic materials. Here we investigate the ability of biochar (at two dosages: 5 and 50 t ha(-1)) to mitigate salt-induced stress, simulating road salt additions in a factorial glasshouse experiment involving the broadleaved herbaceous plants Abutilon theophrasti and Prunella vulgaris. Salt additions of 30 g m(-2) NaCl to unamended soils resulted in high mortality rates for both species. Biochar (Fagus grandifolia sawdust pyrolyzed at 378 °C), when applied at 50 t ha(-1) as a top dressing, completely alleviated salt-induced mortality in A. theophrasti and prolonged survival of P. vulgaris. Surviving A. theophrasti plants that received both 50 t ha(-1) biochar and salt addition treatments showed growth rates and physiological performance similar to plants without salt addition. Biochar treatments alone also substantially increased biomass of P. vulgaris, with a ∼50% increase relative to untreated controls at both biochar dosages. Biochar did not significantly affect photosynthetic carbon gain (Amax), water use efficiency, or chlorophyll fluorescence (Fv/Fm) in either species. Our results indicate that biochar can ameliorate salt stress effects on plants through salt sorption, suggesting novel applications of biochar to mitigate effects of salinization in agricultural, urban, and contaminated soils.

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Crossref · 10.1016/j.jenvman.2013.05.057

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Metadata

Authors
Thomas, S. C., Frye, S., Gale, N., Garmon, M., Launchbury, R., Machado, N., Melamed, S., Murray, J., Petroff, A., & Winsborough, C.
Affiliations
University of Toronto (CA)
Corresponding author
Thomas, Sean C.
Venue
Journal of Environmental Management
Publisher
Elsevier BV
Published
2013-11
Volume
129
Pages
62-68
ISSN
0301-4797 (ISSN-L)
OpenAlex
W2000911496
Cited by
333
References
44
Citations by year
2026: 14 · 2025: 23 · 2024: 43 · 2023: 49 · 2022: 37 · 2021: 27 · 2020: 44 · 2019: 19 · 2018: 24 · 2017: 18 · 2016: 17 · 2015: 13 · 2014: 5
FWCI
16.90
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Environmental Management (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
  • Physical Sciences › Engineering › Civil and Structural Engineering › Smart Materials for Construction
Keywords
biochar, salt stress, road salt, salinization, Abutilon theophrasti, Prunella vulgaris, herbaceous plants, plant survival, biomass, photosynthesis, water use efficiency, chlorophyll fluorescence, topdressing
MeSH terms
Charcoal, Environmental Pollution, Ontario, Photosynthesis, Random Allocation, Sodium Chloride, Soil Pollutants, Stress, Physiological, Malvaceae, Prunella, Environmental Restoration and Remediation

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