Compost Tea

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How to make and use compost tea and compost extracts

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Compost Tea

  1. 1. Compost tea is a water-based liquid preparation.
  2. 2. It is made by infusing aerated water withcompost and nutrients...
  3. 3. ...to extract and grow beneficial microbes.
  4. 4. Compost tea inoculates soils with a diversearray of beneficial microbes, increasing plantvitality.
  5. 5. Water must be thoroughly aeratedbeforehand to remove chlorine, andthroughout the brewing process, toprevent the growth of pathogenicanaerobic organisms.
  6. 6. For small batches, five-gallon buckets withaquarium aerators work fine.
  7. 7. Commercialbrewers are alsoavailable in manysizes.
  8. 8. A mesh or cheesecloth screen allows water tomix with the compost without introducinglarge particles to the tea.
  9. 9. One example“recipe” isone pound ofcompost(plus nutrients,such as molassesand humates)in five gallons ofwater,brewed for 24hours.
  10. 10. Compost tea should be used immediatelyafter brewing. It can be applied as a plant orsoil spray, or as a soil drench.
  11. 11. If used as a spray, it should be well strained toavoid clogging the sprayer.
  12. 12. Compost extracts are made by passing waterthrough compost. They have a longer shelflife than compost teas, but a lowerconcentration of beneficial microorganisms.

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