Microplastics contamination in the protected agricultural soils and its effects on bacterial community diversity

Fei, Yufan; Huang, Shunyin; Wang, Jiaqing; Luo, Yongming; Zhang, Haibo

doi:10.1360/tb-2020-0685

Cited by 6 publications

(1 citation statement)

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“…Delayed or reduced seed germination, reductions in plant growth, and uptake into plant tissues have been documented in multiple crop varieties (e.g., Boots et al., 2019; Pflugmacher et al., 2020; Tympa et al., 2021; see Table S3 for additional references). Effects on soil microbes include changes in biomass, species dominance, diversity, and richness (e.g., Blöcker et al., 2020; Fei et al., 2020; Ren et al., 2020; see Table S3 for additional references). Oxidative stress, abnormal gene expression, gut microbiota perturbation, and movement inhibition have been observed in soil macrofauna (e.g., Cheng et al., 2020; Kim & An, 2019; D. Zhu et al., 2018; see Table S3 for additional references).…”

Section: Implications For Agriculturementioning

confidence: 99%

Microplastics in composts, digestates, and food wastes: A review

et al. 2023

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Diverting food waste from landfills to composting or anaerobic digestion can reduce greenhouse gas emissions, enable the recovery of energy in usable forms, and create nutrient-rich soil amendments. However, many food waste streams are mixed with plastic packaging, raising concerns that food waste-derived composts and digestates may inadvertently introduce microplastics into agricultural soils. Research on the occurrence of microplastics in food waste-derived soil amendments is in an early phase and the relative importance of this potential pathway of microplastics to agricultural soils needs further clarification. In this paper, we review what is known and what is not known about the abundance of microplastics in composts, digestates, and food wastes and their effects on agricultural soils. Additionally, we highlight future research needs and suggest ways to harmonize microplastic abundance and ecotoxicity studies with the design of related policies. This review is novel in that it focuses on quantitative measures of microplastics in composts, digestates, and food wastes and discusses limitations of existing methods and implications for policy.

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