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4-H Vermicomposting

4-H Vermicomposting. A school enrichment program for 5 th grade youth. Lesson 1 - Vermicomposting. Objectives What is vermicomposting? How does vermicomposting take place? How can vermicompost be used? What are the benefits of vermicompost? What are the categories of worms?.

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4-H Vermicomposting

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  1. 4-H Vermicomposting A school enrichment program for 5th grade youth

  2. Lesson 1 - Vermicomposting • Objectives • What is vermicomposting? • How does vermicomposting take place? • How can vermicompost be used? • What are the benefits of vermicompost? • What are the categories of worms?

  3. What is Vermicomposting? • Use of worms and microorganisms to change plant tissue into vermicompost that is rich in nutrients • Plant tissue in the worm bin is consumed by worms, making them consumers

  4. Where Can I Vermicompost? • Can take place in classrooms, offices and homes, wherever food scraps or other organic matter is being generated or delivered • Being used to help solve N.C. hog waste problem Food scraps that can be used in worm bins include fruits and vegetables. Don’t use this as an excuse to not eat your vegetables!

  5. Organic matter that worms eat passes through their digestive tract and is excreted as castings Microorganisms help to decompose the organic matter in the worm bin Worms and castings

  6. What Are Worm Castings? • Castings contain undigested plant residues, bacteria, and soils • Castings improve soil and helps plants grow big and healthy

  7. How Do Castings Help Plants and Soil? • They break clumps of soil into pieces that allow air and water to enter into the soil • They add nutrients to soil that are needed by plants to grow

  8. How Can Castings Be Used? • Castings can be mixed into soil: • in gardens • on lawns • around trees • in nurseries • on farm fields • for houseplants

  9. Advantages of Vermicomposting • Reduces garbage disposal costs • Produces less odor and attracts fewer pests • Saves electricity and water used for in-sink garbage disposals • Produces free, high-quality soil amendment • Requires little space, labor, or maintenance • Produces free worms for fishing

  10. Earthworms in History • Aristotle described them as the “intestines of the earth” • Cleopatra declared earthworms sacred and established laws to protect them • Charles Darwin demonstrated they improved soil and plant productivity

  11. Marcel Bouche’s Categories of Worms • Epigeic – (e-pi-‘jee-ik) types live at soil surface in decaying plant or animal residues • Endogeic – (en-doe-jee-ik) types live underground and eat soil to extract nutrition from degraded organic residues • Anecic – (an-ee-sik) types burrow deep in the soil but come to the surface at night to forage for freshly decaying organic matter

  12. Worm Facts Over 4,000 species Largest ever found : 22 feet Smallest worm is 1/2 inch This is a 10-foot Giant Gippsland Worm

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