Hydroseed & Erosion Control

Hydroseeding
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What is Hydroseeding?
Hydroseeding is the practice of combining seeds, fiber mulch, fertilizer and water in a tank. The mixture is sprayed onto the ground where you want grass to grow. The fiber mulch and fertilizer create a protective shell around the seeds that helps them thrive. The fiber mulch eventually breaks down and provides additional nutrients for the soil.
Features

Hydroseeding creates a lawn that can hold up to ten times its weight in moisture, making this a viable method for erosion control and a good choice for drier climates where water might be scarce.
Benefits
Hydroseeding is economical, fast, easy to care for, creates more resilient grass and is almost weed-free.

Cost
The process of hydroseeding costs up to 80 percent less than installing sod, according to Finn Material Transfer Service, a company that offers commercial landscaping products.
Considerations
Hydroseeded lawns tend to be healthier and have better coverage than other methods, because the seeds are started in the soil where you want the grass to grow and establish deeper roots. The method doesn't require transplanting grass like sod does, so a hydroseeded lawn isn't prone to drying out.

Care After Hydroseeding
Watering
Grass seed needs water; begin watering immediately.  Keep the mulch moist until the grass shoots appear.  Avoid puddling and erosion. After shoots appear and until the grass blades are three inches tall, water once daily, preferably early morning or evening.  In very hot weather, you may need to water twice a day. When the tallest grass blades are four inches tall, they are ready for the first mowing. After the first mowing, water every three to five days.  To prevent root rot, allow enough time between waterings to allow the soil surface to dry.  Increase watering in very hot weather, and decrease watering during periods of heavy rainfall.  Grass will respond best to slow, gentle watering where the water has a chance to soak in well to a depth of about three inches.

Mowing
The lawn is ready for its first mowing when the tallest shoots are  four inches tall. It is normal at this time that the height of the shoots will vary from one to four inches. 
Discontinue watering one day prior to mowing to allow the soil surface to dry and stabilize. 
As with a mature lawn, no more than one third of the grass blade should be cut off.  To avoid damage to the lawn, keep your mower blade sharp.
Erosion Control
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Erosion control is the practice of preventing or controlling wind or water erosion in agriculture, land development and construction. Effective erosion controls are important techniques in preventing water pollution and soil loss.

Erosion controls are used in natural areas, agricultural settings or urban environments. In urban areas erosion controls are often part of stormwater runoff management programs required by local governments. The controls often involve the creation of a physical barrier, such as vegetation or rock, to absorb some of the energy of the wind or water that is causing the erosion. On construction sites they are often implemented in conjunction with sediment controls such as sediment basins and silt fences.