Mulch type |
Description |
Application Method |
Straw, hay, or other grasses |
Wheat, oat, or pine straw; rolled or baled pasture grasses also used in some cases |
Hand scattering for small areas; chopper/blower used for larger areas, sometimes with co-applied tackifying agent to promote adhesion |
Wood chips, bark, sawdust |
Waste product from sawmills and other timber harvest and processing operations |
Hand scattering or mechanized spreader |
Rock |
Can include all classes of aggregate, riprap, and large stone; used for permanent erosion protection |
Placement by hand or equipment (e.g., track-hoe, skidder, front-end loader) |
Hydraulically applied mulches |
Bonded fiber matrix products, including those manufactured with natural and/or synthetic fibers, cellulose, or other materials |
Spray application via high-pressure pumping from the mixing tank, through a hose and nozzle apparatus |