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The difference between biodegradable mulch film and conventional mulch film
2025-04-28 15:53
I. Biodegradable Mulch Film
With the growing popularity of environmental protection concepts and advancements in technology, biodegradable mulch films are gradually being widely adopted. These films are primarily made from biodegradable materials such as starch and polylactic acid, which, after use, break down into environmentally friendly substances like carbon dioxide and water—leaving no harmful residues that could pollute soil or harm the environment. Additionally, biodegradable mulch films offer benefits such as enhancing the soil’s micro-ecological environment and boosting soil fertility, making them an increasingly integral part of modern agriculture.
II. Conventional Plastic Mulch
Conventional plastic mulch films, primarily made from materials like polyethylene, have a short lifespan and must be replaced frequently with new ones. This not only leads to wasted resources but also negatively impacts the soil environment. After use, these films typically remain largely undegradable, creating harmful oxygen-deprived conditions in the soil and ultimately degrading its quality.
3. Different Degradation Mechanisms
The biodegradation of biodegradable mulch film primarily occurs through biological processes, where microorganisms break it down into environmentally friendly substances. In contrast, conventional mulch films degrade via chemical and photodegradation, a process that typically takes much longer and can negatively impact soil and the environment.
4. Performance and Price Differences
Biodegradable mulch film outperforms conventional mulch film in terms of degradation efficiency but falls slightly short in mechanical strength and durability. Additionally, biodegradable films are more expensive to produce, resulting in a price that is marginally higher than standard mulch films.
Overall, there are significant differences between biodegradable and conventional plastic mulch films during use. Biodegradable films offer environmental benefits and can help enhance soil fertility, though they slightly lag behind in terms of mechanical strength and cost. In contrast, conventional films, while more affordable, have a shorter lifespan and can negatively impact both the land and the environment.
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