Does polypropylene affect soil spectral reflectance in a landscape tree box?

Apr 03,2025

Abstract: The interaction between synthetic materials like polypropylene and soil properties is a growing concern in urban landscaping. This study investigates whether polypropylene—commonly

The interaction between synthetic materials like polypropylene and soil properties is a growing concern in urban landscaping. This study investigates whether polypropylene—commonly used in tree boxes for moisture retention and weed control—alters soil spectral reflectance, a critical factor in remote sensing and environmental monitoring.

Preliminary findings suggest that polypropylene sheets or fibers may slightly modify the spectral signature of underlying soil, particularly in the near-infrared (NIR) and short-wave infrared (SWIR) ranges. This effect is attributed to the material’s light-scattering properties and its interference with natural soil moisture dynamics. However, the degree of alteration depends on polypropylene thickness, soil type, and exposure duration.

Urban planners and ecologists should consider these subtle spectral shifts when using remote sensing to assess vegetation health or soil quality in polypropylene-enhanced tree boxes. Further research is needed to quantify long-term impacts and develop mitigation strategies for sustainable urban greening.

Related search：