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Composting

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Transcript

  • 1. Green Drinks ~ June 2012Presented by: Lacy Kuller
  • 2.  Composting is the transformation of organic material (plant matter) through decomposition into a soil-like material called compost.  Who helps facilitate? Invertebrates (insects and earthworms) and microorganisms (bacteria and fungi) Why Compost?  Yard and food waste make up approximately 30% of the waste stream in the United States…  Turn kitchen and yard waste into ‘black gold’ and keep it out of the landfill and your garbage disposal!
  • 3.  It’s all about the Carbon-to-Nitrogen (C:N) ratios  Compost = Air + Water + 2 Parts Browns + 1 Part Greens  ‘Browns’ (high in carbon) = ash, wood, cardboard, leaves, newspaper, peanut shells, pine needles, sawdust, straw and wood chips  ‘Greens’ (high in nitrogen) = grass clippings, food waste, garden waste, coffee grounds, manure*, seaweed, vegetable scraps, weeds  RULE OF THUMB: If the compost pile needs moisture, add ‘greens’; if it has an odor to it, add ‘browns’
  • 4.  Passive Composting (Anaerobic)  Slow to decompose, but still nature takes its course  Requires little maintenance  Good for leaf molds Active Composting (Aerobic)  Can create rich soil in as little as two to six weeks  Requires aeration, moisture and proper carbon to nitrogen ration (C:N) Vermicomposting  Breakdown of organic waste using earthworms  Worm castings
  • 5.  Counter-top canisters Corner of back yard Attractive/enclosed bins Vermicomposting can be done indoors or on a patio / porch Community Gardens
  • 6.  Fruit and vegetable waste (cut to small pieces) Coffee grounds Tea bags Egg shells Nut shells Flowers / garden waste Potting soil Paper towels / cardboard AVOID: meat, dairy, cooked foods, diseased plants, yard waste with chemicals, weeds gone to seed, pet waste
  • 7.  http://earth911.com/news/2010/08/30/composting-in-the-city/ http://www.gardenguides.com/70276-types-composting- methods.html http://www.howtocompost.org/info/info_composting.asp http://www.organicgardening.com

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