Compost whately grades 4 6 for bill obear


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Compost presentation for Whately 5th grade class

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Compost whately grades 4 6 for bill obear

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