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Compost Tea: How to Become a Soil Food Web Gardener
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Compost Tea: How to Become a Soil Food Web Gardener

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Compost Tea Presentation by Jason Deney

Compost Tea Presentation by Jason Deney

Published in: Self Improvement

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  • Introduction of self, Sustainable Desert, Previous Master Gardener, Raspberry Farm
  • If we all use organic gardnening…..
  • Transcript

    • 1. Compost Tea
    • 2. Using Compost Tea to become a Soil Food Web Gardener
    • 3. You mean…do I drink it???
    • 4. 3 things we’ll discuss
      • The soil food web and its components
      • The 3 tools for becoming a soil food web gardener
      • Compost tea brewing and use
    • 5. Gardening all starts with the soil
    • 6. What makes up the soil food web?
      • Beneficial Microorganisms
        • Bacteria
        • Fungi
        • Protozoa
        • Nematodes
        • Arthropods
    • 7. Bacteria Bacteria play a major role in plant nutrition by locking up valuable nutrients in the soil
    • 8. Fungi
      • Fungi are the primary decay agents in the soil food web
      • Ectomycorrhizal fungi
      • Endomycorrhizal fungi
    • 9. Nematodes Nematodes feed on bacteria & fungi, then release previously immobilized nitrogen into the rhizosphere in ammonium
    • 10. Arthropods Soil arthropods are important to the community as predators and soil aerators
    • 11. Soil Aggregates
      • Soil aggregates are “clumps” of soil particles that are held together by organic matter, organic compounds and fungal hyphae.
      • The spaces within and between soil aggregates are essential for storing water, air, microbes and nutrients.
      • Bacteria produce polysaccharides that help with bonding the soil aggregates.
      • Fungi grow in long threadlike structures call hyphae that also help bond soil aggregates.
    • 12. Rhizosphere & Phyllosphere
      • Rhizosphere
        • the region of the soil immediately surrounding the roots of a plant.
      • Phyllosphere
        • leaf surfaces or total above-ground surfaces of a plant as a habitat for microorganisms
      • Microbes in these spheres compete with pathogens for space and food
    • 13. 3 tools a soil food web gardener needs
      • Compost
      • Mulch
      • Compost tea
    • 14. Compost
      • Inoculates beneficial microbes into the soil and around your yard
          • 1 billion bacteria per teaspoon
          • 400-900 ft of fungal hyphae per teaspoon
          • 10-50k protozoa per teaspoon
          • 30-300 nematodes per teaspoon
    • 15. Mulch
      • Standard reasons for use
        • Prevents seeds from germinating
        • Keeps soil cool when hot, warm when cold
        • Reduces evaporation
      • “ Soil Food Web Gardener” reasons for use
        • Provides nutrients and homes for soil food web organisms
        • Is distributed into the soil by worms and arthropods
    • 16. Compost Tea
      • 3 types of compost tea
        • Passive teas (extract)
          • Brewed by placing compost in water for a couple of weeks or more.
          • Very little aerobic microbial life.
        • Leachates
          • Liquid that oozes out of compost or worm bins.
          • Has some nutrient value but little microbial life.
        • Actively aerated compost teas (AACT’s)
    • 17.
        • Produced by introducing oxygen and a food source to good compost over a 24-hour period and drastically multiplying the amount of organisms
        • Is teaming with bacteria, fungi, protozoa and nematodes. Up to 4 billion beneficial bacteria can be found in 1 teaspoon
        • Very concentrated and easy to apply to plants and soil
      Actively Aerated Compost Tea (AACT)
    • 18. How to make and use Compost Tea
      • Non-chlorinated water
      • Vermicompost
      • Food for microorganisms
        • Bacteria : sugars
        • Fungi : kelps and humic acids
        • Minerals & fish hydrosolates
      • Air
    • 19. Applications
      • Apply as a soil drench
        • Dilute with non-chlorinated water and apply directly to soil – 1:4 ratio compost tea to water
      • Foliar applications
        • Apply to plant surfaces
      • You can never apply too much
    • 20. Important notes
      • Avoid exposure to sunlight/UV rays
      • Use as soon as possible after aeration and brewing is discontinued
    • 21. Fine tuning your compost tea
      • For trees, shrubs and woody perennials
        • Prepare a fungaly-dominated tea
      • For veggies, flowers and lawns
        • Prepare a bacterially-dominated tea
    • 22. Healthy soil makes kittens happy !
    • 23.
      • Lowenfels, Jeff & Lewis, Wayne. (2006) Teaming with Microbes. Timber Press, Inc.
      • http://extension.oregonstate.edu/douglas/mg/comptea
      • http://attra.ncat.org/attra-pub/compost-tea-notes.html
      • This presentation can be found on slideshare.com under the tag words “compost tea”
      References and Suggested Reading
    • 24. Thank You Jason Deney Sustainable Desert Landscape Maintenance P.O. Box 1324 Bend, Or 97709 541-610-7619