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Emerging Trends in Biodegradable Polymers Derived from Vegetable Waste for Sustainable Agriculture: Challenges and Opportunities
Summary
Researchers reviewed how agricultural plastic films and greenhouse coverings degrade into long-persisting soil microplastics that disrupt microbial communities and nutrient cycling, and evaluated biodegradable alternatives derived from vegetable waste as a green chemistry strategy to reduce plastic accumulation while supporting circular economy goals in farming systems.
The widespread use of plastic in farming has greatly increased crop yields and made better use of resources. However, it has also had bad effects on the environment. Plastic waste from farming, such as mulch films, greenhouse coverings, and irrigation parts, breaks down and breaks apart, which leads to the buildup of microplastics in the soil. These microplastics stay in the soil for a long time, changing its physical and chemical properties, affecting microbial communities, messing up nutrient cycling, and possibly getting into the food chain. To solve these problems, we need to switch to more sustainable materials. Biodegradable plastics have come up as a promising answer. These are materials that can break down into natural substances like carbon dioxide, water, and biomass through the action of microbes. They are put into groups based on where they come from (bio-based or fossil-based) and how easy they are to break down. There is a big difference between bioplastics and regular plastics made from petroleum in terms of feedstock, how they break down, and how they affect the environment. Global market trends show that more people want biodegradable materials. This is because people are becoming more aware of the environment, technology is getting better, and policies are being put in place to reduce plastic pollution. Also, using green chemistry ideas in the creation of sustainable materials leads to synthesis processes that are good for the environment. In polymer science, green synthesis methods focus on using renewable materials, making products with less harmful chemicals, and using less energy. In this case, vegetable waste is a useful renewable resource for making biopolymers. This helps with degradation and strategies for a circular economy. To reduce plastic pollution in agriculture and make sure that soil health is managed in a way that lasts, it is important to combine biodegradable materials, green chemistry methods, and rules.