Step 4: Spray the Lawn

Roger Cook sprays compost tea on a lawn with a pump sprayer
Photo: Kindra Clineff
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For lawns of 400 square feet or less, wet the grass with the tea using a pump sprayer. Use a backpack or walk-behind sprayer for larger lawns. One gallon covers about 1,000 square feet. At minimum, apply the tea in early spring, summer, early fall, and just before the lawn goes dormant, although there's no harm in letting your grass drink the tea more frequently.
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    Tools List

    • drill
      Drill (or drill/driver)
    • 3/8-inch spade bit
      -inch spade bit
    • 3/16-inch drill bit
      3/16 drill bit
    • pump sprayer
      Pump sprayer (for applying the compost tea)

    Shopping List

    1. -inch irrigation tubing
    (approximately 10 feet)

    2. 55-gallon rain barrel

    3. Nylon mesh bag or cheeseclothTea ingredients:

    4. Aged compost

    5. Molasses

    6. Liquid kelp Available through Neptune's Harvest

    7. Fish hydrolysate Available through Neptune's Harvest