Hydroseeding is often a regulatory requirement for erosion control that designers, planners, engineers, and architects must include in construction specifications. Using a slurry mixture of nutrients, mulch, and seeds, it is applied with a pressure sprayer from a high-volume tank. Because the mixture holds in moisture, the process both reduces soil erosion and promotes faster seed germination.
To further enhance germination, slurry mixtures often contain fertilizer, green dye, tackifying agents, and other additives.
Hydroseeding is often used for highway construction projects and starting lawns in large areas such as a golf course or athletic field.
The following steps should be taken before hydroseeding for erosion control:
Resources:
California State Document – Hydroseeding, http://www.ci.concord.ca.us/pdf/living/recycle/brochures/hydroseeding.pdf (accessed May 12, 2014)
California Dept. of Transportation – Key Concepts Of Sustainable
Erosion Control
Technical Guide, http://dot.ca.gov/hq/LandArch/ec/Erosion_Control_Technical_Guide_v2.pdf (accessed May 12, 2014)
California Dept. of Transportation – Erosion Control Toolbox, http://dot.ca.gov/hq/LandArch/ec/index.htm (accessed May 12, 2014)
California Dept. of Transportation – Hydroseeding, http://www.dot.ca.gov/hq/LandArch/ec/hydroseed/hydroseed.htm (accessed May 12, 2014)
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