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Comparative impacts of polyethylene and biodegradable film residues on soil microbial communities and rapeseed performance under field conditions
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Researchers compared polyethylene and biodegradable plastic film residues in agricultural soil under field conditions, finding that conventional film residues did not significantly affect rapeseed productivity, while biodegradable films better preserved soil microbial functions and fertility. The study highlights the need for long-term monitoring to guide optimal plastic film use in agriculture.
These findings demonstrate that conventional film residues had no significant effect on rapeseed productivity, whereas biodegradable films exhibited superior performance in maintaining soil fertility and microbial functions under field conditions. Our study emphasizes the need for long-term monitoring to effectively optimize agricultural plastic film applications.
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Comparative analysis of the effects of conventional and biodegradable plastic mulching films on soil-peanut ecology and soil pollution
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A three-year field study comparing conventional and biodegradable plastic mulch on peanut farms found that conventional plastic improved crop yield by 10.77%, soil nutrients, and beneficial bacterial communities compared to biodegradable alternatives, but left significantly more plastic residue in the soil.
Effects of Biodegradable Film Mulching on Bacterial Diversity in Soils
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Researchers compared bacterial diversity in soils mulched with biodegradable plastic films, conventional plastic films, and bare soil, finding that biodegradable films altered microbial community composition differently than conventional plastics. The results are relevant to evaluating whether biodegradable agricultural films truly reduce soil microbiome disruption compared to persistent plastic mulches.
Effect of Long-Term Biodegradable Film Mulch on Soil Physicochemical and Microbial Properties
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Long-term use of biodegradable mulch film was compared to conventional plastic and no-mulch controls in terms of soil physical, chemical, and microbial properties, with results showing that biodegradable mulch altered soil structure and microbial diversity in ways differing from both conventional plastic and bare soil. The findings raise questions about the cumulative effects of biodegradable plastic residues on agricultural soil health.
Integrated effects of residual plastic films on soil-rhizosphere microbe-plant ecosystem.
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This pot experiment investigated how residual plastic film fragments of different sizes in agricultural soil affect soil properties, microbial enzyme activity, nutrient levels, and plant growth. Larger plastic residues caused greater disruption to soil health and reduced crop yield, suggesting that accumulated mulch film pollution poses a serious threat to long-term agricultural productivity.
Microplastics in the agroecosystem: effects of plastic mulch film residues on the soil-plant system
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This PhD thesis assessed the effects of macro- and micro-sized plastic residues from both polyethylene and biodegradable mulch films on soil and plant systems. Researchers found that plastic residues affected plant growth, rhizosphere microbial communities, soil physical properties, and soil functions. The thesis provides comprehensive experimental evidence for the ecological impacts of mulch film plastic pollution on agricultural soils.
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