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mg to the organic content of the soil area covered. Bark does not seal off the surface so it allows proper penetration of rain, while at the same time retaining sufficient cohesion to reduce erosion.
Because of its low heat conducting properties, bark mulch coverings lower soil temperatures and enhance root growth. It also reduces the air temperature and reflected heat in the area above the mulch more than other materials, such as stone, which is used primarily for decorative purposes.
In the fall, the bark provides in
91.6%