Compost whately grades 4 6 for bill obear
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Compost presentation for Whately 5th grade class

Compost presentation for Whately 5th grade class

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Compost whately grades 4 6 for bill obear Presentation Transcript

  • 1. Composting at Whately Elementary School Bill Obear, Bear Path Farm Presentation by: Ms. Amy Donovan, Program Director
  • 2. What is Compost?
    • In nature, soil organisms called decomposers eat p lants, leaves, and dead animals.
    • The end result is soil, or compost .
    • That compost then nurtures new plants to grow.
  • 3. What is Compost? Composting uses that natural cycle to dispose of food waste, making soil in the process.
  • 4.
    • Compost is good for plants:
    • adds nutrients to soil
    • reduces need to water
    • replaces chemical fertilizers
    • used on farms for growing vegetables
    • in home gardens for growing flowers, vegetables
    • in landscaping
    Farmland Finished compost
  • 5. Composting keeps food out of landfills (dumps).
    • Composting saves space in landfills.
    • Our local landfills are almost full!
    • Where will be put our trash in the future?
  • 6. Composting helps slow Climate Change Climate Change (or Global Warming) is caused by greenhouse gases in our atmosphere. Greenhouse Gases : Carbon Dioxide Methane Nitrous Oxide
  • 7. The Climate Change Connection
    • When food waste (and paper) decay in a landfill, methane is released.
    • Methane is a greenhouse gas 23 times more powerful than carbon dioxide.
    • Over 20 years, methane from a landfill can be 72 times more potent than carbon dioxide!!
    Methane pipe at a landfill
  • 8. Why doesn’t composting release methane? Because oxygen is part of the composting process. There is no oxygen in a landfill. Compost bins made from reused pallets
  • 9. 3 “sizes” of composting:
    • Small : An indoor worm bin uses red wiggler worms to eat food waste (vermicomposting)
    • Veggies, fruits only
    • Medium : Backyard composting
    • Veggies, fruit, bread
    • No meat, dairy, oils
    • 5 th grade class has this type of bin.
  • 10. Large : Commercial Composting at Bear Path Farm in Whately. Accepts all food: meat, cheese, oils… Paper: napkins, straw wrappers… Windrows at Bear Path Farm
  • 11. Bill Obear stands by his equipment at Bear Path Farm. www. bearpathfarm .com Whately transfer station: FREE compost program At Whately transfer station: Just like what we do at school!
  • 12. “ Large sized composting” Whately Elementary Cafeteria Composts ALL food & paper! … because it goes to Bear Path Farm!
  • 13. DO compost in the cafeteria :
    • All food :
    • • ALL table scraps/leftovers
    • • Meat, chicken, fish, cheese ,
    • eggs, eggshells
    • • Fruit & vegetable peels
    • • Bread, rice, pasta, cookies
  • 14. DO compost in the cafeteria :
    • Paper from the cafeteria :
    • • Napkins
    • Paper towels
    • Straw wrappers
    • • Paper plates: Chinet
    • Paper cups: Dixie
    • Egg cartons
  • 15. DO NOT compost in the cafeteria : :
    • • Liquid
    • • Plastic utensils
    • Straws
    • • Tissues
    • • Plastic bags and wrappers (sandwich bags, Saran/plastic wrap, candy wrappers)
    • Butter packets, cracker packets
    • Large amounts of bones
    • Paper towels with chemicals on them
    •  
  • 16. What can and can’t be composted in the cafeteria from these trays?
  • 17. “ Medium sized composting” Composting at home or in the 5th grade’s garden compost bin . This compost system is different than what we do in the cafeteria: No meat, bones, dairy! (animal products) Avoid large amounts of paper.
  • 18. What can be composted at home or in the 5 th grade bin?
    • YES; Green/Nitrogen-rich :
    • Veggies, fruit, & peels
    • Bread, rice, pasta, grains
    • Coffee grounds, paper coffee filters, tea bags
    • Eggshells
    • Grass clippings, yard waste
    • NO; will smell and attract animals :
    • Meat, fish, bones
    • Cheese, dairy
    • Fat, grease, oils, peanut butter
    • Cooked foods with lots of sauces/ butter
    • Diseased or insect-ridden plants
    • Weeds which spread by roots and runners
    • Weeds with seeds
    • YES; Brown/Carbon-rich :
    • Fall leaves
    • Straw, hay
    • Shredded newspaper or paper
    • Chinet paper plates (rip up)
    • Egg cartons (rip up)
    • Wood chips
    • Old potting soil
  • 19.  
  • 20. How does it work? A compost bin needs:
    • Water: material in bin should be as damp as a wrung out sponge. Add water if not, and when building pile. Add sparingly in winter.
    • Air/ Oxygen: mix/stir occasionally
    • “ Green” materials: (nitrogen) food waste
    • “ Brown” materials: (carbon) leaves, hay, shredded and soaked newspaper, egg cartons
    • Microorganisms: eat material and heat it up
  • 21. Food Web Of the Compost Pile
  • 22. Keep it cookin’
    • Each time you add food waste, bury in center and cover with leaves/ brown materials
    • Add leaves or brown materials regularly
    • Add water regularly
    • Stir entire pile every 6 weeks or so.
    • Once you have a bin full of materials (in 6-12 months), stop adding materials and stir more frequently.
    • When the compost is finished, use on gardens and when planting new plants
  • 23.
    • Questions? Need more info?
    • Bill Obear, Bear Path Farm
    • www.bearpath farm.com
    • [email_address]
    • Amy Donovan, Franklin County Solid Waste District
    • www.franklincountywastedistrict.org
    • (413) 772-2438 [email_address]