Plastic mulching in agriculture. Trading short-term agronomic benefits for long-term soil degradation?

The Science of The Total Environment, Год журнала: 2016, Номер 550, С. 690 - 705

Опубликована: Фев. 2, 2016

Язык: Английский

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Microplastics in the soil environment: Occurrence, risks, interactions and fate – A review

Critical Reviews in Environmental Science and Technology, Год журнала: 2019, Номер 50(21), С. 2175 - 2222

Опубликована: Ноя. 28, 2019

The issue of microplastic pollution emerged from the marine environment, but terrestrial environment is estimated to receive annually 4–23 times more plastic wastes. Microplastic in soil has thus begun elicit great concern. This review summarizes observed effects on ecosystems as well sorption and transport behaviors microplastics such environments. been detected various soils including agricultural/farmland, greenhouse, home garden, coastal, industrial, floodplain soils. Microplastics affect physical chemical properties, microbial enzyme activities, plant growth, also pose adverse ecotoxicological fauna. These depend concentration, size, shape microplastics, texture. are known sorb organic inorganic pollutants, possibly affecting distribution these substances soil. Existing evidence demonstrates negligible effect bioaccumulation contaminants horizontal vertical can be facilitated by Pollutants associated with may disperse further following highlights perspectives for future research

Язык: Английский

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Biodegradable Plastic Mulch Films: Impacts on Soil Microbial Communities and Ecosystem Functions

Frontiers in Microbiology, Год журнала: 2018, Номер 9

Опубликована: Апрель 26, 2018

Agricultural plastic mulch films are widely used in specialty crop production systems because of their agronomic benefits. Biodegradable mulches (BDMs) offer an environmentally sustainable alternative to conventional polyethylene (PE) mulch. Unlike PE films, which need be removed after use, BDMs tilled into soil where they expected biodegrade. However, there remains considerable uncertainty about long-term impacts BDM incorporation on ecosystems. potentially influence microbial communities two ways: first, as a surface barrier prior incorporation, indirectly affecting microclimate and atmosphere (similar films) second, direct input physical fragments, add carbon, microorganisms, additives, adherent chemicals. This review summarizes the current literature biological biogeochemical processes, with special emphasis BDMs. The combined findings indicated that when barrier, altered community composition functioning via modification, though nature these alterations varied between studies. In addition, can result enhanced activity enrichment fungal taxa. suggests despite fact total carbon from is minuscule, stimulatory effect may ultimately affect organic matter dynamics. To address knowledge gaps, long term studies better understanding nutrient biogeochemistry needed. These critical evaluating relate health agroecosystem sustainability.

Язык: Английский

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Effects of plastic film residues on occurrence of phthalates and microbial activity in soils

Chemosphere, Год журнала: 2016, Номер 151, С. 171 - 177

Опубликована: Март 15, 2016

Язык: Английский

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Soil contamination and sources of phthalates and its health risk in China: A review

Environmental Research, Год журнала: 2018, Номер 164, С. 417 - 429

Опубликована: Март 21, 2018

Язык: Английский

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Plastic pollution in croplands threatens long‐term food security

Global Change Biology, Год журнала: 2020, Номер 26(6), С. 3356 - 3367

Опубликована: Апрель 12, 2020

Abstract Plastic pollution is a global concern given its prevalence in aquatic and terrestrial ecosystems. Studies have been conducted on the distribution impact of plastic marine ecosystems, but little known mulch has widely used to increase crop yields worldwide, yet residues cropland soils soil health production long term remained unclear. In this paper, using meta‐analysis, we found that use can indeed average by 25%–42% immediate season due temperature (+8%) moisture (+17%). However, unabated accumulation film field negatively impacts physicochemical properties linked healthy threatens food term. It multiple negative plant growth including yield (at mean rate −3% for every additional 100 kg/ha residue), height (−2%) root weight (−5%), water evaporation capacity (−2%), infiltration (−8%), organic matter (−0.8%) available phosphorus (−5%) based meta‐regression. Using nationwide survey China, largest user residue reached 550,800 tonnes, with an estimated 6%–10% reduction cotton some polluted sites current level content. Immediate actions should be taken ensure recovery limit further loading maintain sustainability these croplands.

Язык: Английский

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Research progress in sources, analytical methods, eco-environmental effects, and control measures of microplastics

Chemosphere, Год журнала: 2020, Номер 254, С. 126790 - 126790

Опубликована: Апрель 13, 2020

Язык: Английский

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The effects of phthalate ester exposure on human health: A review

The Science of The Total Environment, Год журнала: 2021, Номер 786, С. 147371 - 147371

Опубликована: Апрель 28, 2021

Язык: Английский

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Soil texture is an important factor determining how microplastics affect soil hydraulic characteristics

Environment International, Год журнала: 2022, Номер 165, С. 107293 - 107293

Опубликована: Май 18, 2022

Microplastic pollution and changes to soil hydraulic characteristics affect the physical properties functions of soil; however, knowledge remains limited on how microplastics influence properties. Nonetheless, it is important understand these relationships maintain health ensure sustainable land use, especially in current "plastic age." This case study explored different particle sizes (20, 200, 500 μm) concentrations (up 6%) polypropylene three textures (loam, clay, sand). The results show that addition microplastic reduced saturated conductivity (Ks) soils by 69.79%, 77.11%, 95.79%, respectively. These observed adverse effects infiltration studied were influenced size, with larger particles having weakest effect. Furthermore, water retention capacity clay a greater extent than loam sand. In slope characteristic curve (SWRC) increased significantly, whereas content (θs) residual (θr) curves decreased significantly. Importantly, interaction between alters pore-size distribution reduces pore availability. Overall, this demonstrates impact textures, which can inform management strategies minimize accumulation yields where plastics are used agricultural production.

Язык: Английский

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Phthalate induced oxidative stress and DNA damage in earthworms (Eisenia fetida)

Environment International, Год журнала: 2019, Номер 129, С. 10 - 17

Опубликована: Май 15, 2019

Phthalates (phthalic acid esters) have been widely applied as plasticizers. They are ubiquitous contaminants in soils, thereby posing a threat to human health. In this study, ecotoxicological effects of three typical PAEs (dimethyl phthalate-DMP, di-n-octyl phthalate-DOP and butyl benzyl phthalate-BBP) were investigated. As biological indicator, earthworms (Eisenia fetida) exposed phthalates at various doses (0, 0.1, 1, 10 50 mg/kg) for different times (7, 14, 21, 28 d). We evaluated the on reactive oxygen species (ROS) generation, antioxidant enzymes (superoxide dismutase-SOD, peroxidase-POD catalase-CAT) activities, glutathione S-transferase enzyme (GST) activity, malondialdehyde (MDA) content DNA damage. Results showed that ROS increased with increasing phthalates, whereas generally then decreased exposure time. However, activities displayed trends. The GST activity high-dose treatment group was significantly activated. For DMP DOP, lipid peroxidation mainly occurred between 14 d, while BBP, it primarily existed after 7 d disappeared d. Besides, comet assay indicated there dose-response relationship damage phthalate dose, following > DOP BBP. Given their toxicity, is important understand mechanisms associated eco-toxicity reduce adverse impacts environment.

Язык: Английский

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