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Does WPC affect soil thermal properties in a landscape tree box?
Wood-Plastic Composite (WPC) is increasingly used in urban landscaping due to its durability and sustainability. One critical question arises: Does WPC affect soil thermal properties in landscape tree boxes? Research suggests that WPC can influence soil temperature by acting as an insulating layer. Unlike traditional materials, WPC reduces heat transfer, potentially mitigating urban heat island effects.
In tree boxes, WPC panels or liners may moderate soil temperature fluctuations, protecting root systems from extreme heat or cold. However, excessive insulation could hinder natural soil warming, affecting microbial activity and plant growth. Field studies show mixed results, with some reporting improved moisture retention and others noting reduced aeration.
For urban planners, balancing WPC's thermal benefits with ecological needs is key. Sustainable designs should prioritize permeable WPC variants to ensure healthy soil ecosystems while leveraging its thermal advantages. Further research is needed to optimize WPC use in green infrastructure.
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