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Does WPC affect soil microbial diversity in a landscape tree box?
Wood-Plastic Composite (WPC) is increasingly used in urban landscapes for its durability and low maintenance. However, its impact on soil microbial diversity in tree boxes remains a topic of debate. Studies suggest that WPC may alter soil conditions by reducing moisture retention and limiting organic matter decomposition, potentially affecting microbial communities.
Research indicates that WPC-lined tree boxes show lower microbial activity compared to traditional wood or soil-based systems. This could influence nutrient cycling and plant health in urban green spaces. Yet, some findings highlight WPC's neutral or even positive effects when designed with adequate aeration and drainage.
To balance sustainability and functionality, experts recommend combining WPC with organic amendments to support microbial life. Further studies are needed to optimize WPC use for urban ecology without compromising soil biodiversity.
In conclusion, while WPC offers practical advantages, its ecological trade-offs warrant careful consideration in landscape design.
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