Why Compost? An Analysis of Composting As an Environmental Remediation Technology – US EPA –...
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Transcript of Why Compost? An Analysis of Composting As an Environmental Remediation Technology – US EPA –...
Why Compost?
An Analysis of CompostingAs an Environmental
Remediation Technology – US EPA – 1998EPA530-R-98-008
What can you compost?
• food scraps• yard clippings• weeds (think about
seeds)• paper• woody organic
material (best chopped up)
• coffee grounds
The greens and browns of compost…
Greens!• Urine (diluted with water 20:1) • Comfrey leaves • Nettles • Grass cuttings • Other green materials• Raw vegetable peelings from your
kitchen • Tea bags and leaves, coffee
grounds • Young green weed growth – avoid
weeds with seeds • Animal manure from herbivores
eg cows and horses • Poultry manure and bedding
Browns!• Cardboard eg. cereal packets and
egg boxes • Waste paper and junk mail,
including shredded confidential waste
• Cardboard tubes • Newspaper –• Bedding from vegetarian pets eg
rabbits, guinea pigs – hay, straw, shredded paper, wood shavings
• Tough hedge clippings • Old bedding plants • Bracken • Sawdust • Wood shavings • Fallen leaves
http://www.gardenorganic.org
The C’s and N’s of compost….
Rynk, R., M et al. 1992. On-Farm Composting Handbook. R. Rynk (Ed.). NRAES-54. Natural Resource, Agriculture, and Engineering Service. Ithaca, NY.
Aim for a compost that has a C:N ratio of 30:1…
a note about moisture
http://www.flickr.com/photos/wester/34207376/
Build it big – for the bacteria…!