(Synagro) for the composting of biosolids produced at Hornsby Bend. The City of Austin has a long-term contract with Synagro of Texas-CDR, Inc. Source: based on USDA publication ARM-NE-6, August 1979. per 1,000 square feet is approximately equal to 1/2 inch depth of compost.Ĭompost has a bulk density of about 1,000 lbs. * Source: International Process Systems, Inc. To calculate cubic yards of Dillo Dirt™ needed:Īrea length (ft.) x width (ft.) x inches Dillo Dirt™ ÷ 324= cubic yards Blending materials: peat, sand, perlite, vermiculite, and bark.

Water and drain mixes several times before planting to prevent salt injury to plants. Do not use where acidic-soil plants (azalea, rhodendron, etc) are to be grown). On cool season grasses, either apply high rate in fall or lower rate in fall and spring. Spread evenly on surface before seeding small species (Bermuda) or after seeding large seeded species (fescues. Use lower rate on fertile soil, higher rate on infertile soil. Important Contactsĭillo Dirt Uses and Application Rates Uses and application rates of Dillo Dirt compost for soil improvements Use Click here for hours and instructions for drop-off. You can drop off brush at the Hornsby Bend facility to be used to make Dillo Dirt. Like other composts, Dillo Dirt has many benefits such as reducing watering requirements and enriching the soil environment. Dillo Dirt is made from totally recycled materials which diverts waste from the landfill and reduces costs to citizens.ĭillo Dirt™ meets all Texas Commission on Environmental Quality ( TCEQ) and Environmental Protection Agency (EPA) requirements for unrestricted use including vegetable gardens.

After active composting for over a month, Dillo Dirt is 'cured' for several months and screened to produce finished compost. The heat generated in composting (130 to 170 degrees Fahrenheit) is sufficient to virtually eliminate pathogens.

Brush generated by City of Austin departments and residents is mixed with treated biosolids (wastewater sludge) and composted to create Dillo Dirt. It was the first program of its kind in the state and one of the oldest in the nation. Pay Bill, Start, Stop, Transfer ServiceĬompost is a soil product manufactured through the controlled aerobic, biological decomposition of biodegradable materials.ĭillo Dirt™ is compost made at Hornsby Bend Biosolids Management Plant ( Hornsby Bend).

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