Download - Composting
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COMPOSTIN
GTURN G
ARBAGE INTO
GOLD
S H E R R I E S
H A N
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WHAT IS COMPOSTING• Composting is a natural process that turns organic material into a
dark rich substance. This substance, called compost or humus, is a wonderful conditioner for your soil.
• What are organic materials: fruits and vegetables, eggshells , coffee grounds, grass clippings, yard trimmings, leaves, wood chips, sawdust…
• Four important ingredients:• Green materials (Nitrogen)• Brown materials (Carbon)• Moisture (Water)• Air (Oxygen)
Carbon-to-Nitrogen Ratios
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WHY COMPOSTING• 25% of garbage in the U.S. is made up of yard trimmings and food
scraps• It fills up more and more landfills• Landfill methane is a greenhouse gas that cause global warming• When landfills are rained on, the runoff pollutes lakes, streams, and
groundwater sources.
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DIFFERENT TYPE OF COMPOSTING• Aerobic composting: the decomposition of organic matter in the
presence of oxygen. This type of composting doesn’t emit an unpleasant odor and, with the proper conditions, can be completed in a span of two weeks.
• Anaerobic composting: is a series of processes in which microorganisms break down biodegradable material in the absence of oxygen.
• Vermicomposting: is the process of using worms to break down organic waste.
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LARGE SCALE OF COMPOSTING• In-Vessel Composting System• City Compost Bin• City of Allen is doing a good job on curbside yard debris and leaf
collection programs
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COMPOST AT HOME• Compost Pile• Compost Tumblers• Vermicomposting bins• Electronic Composter
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HAPPY COMPOSTING!Composting provides a way not only of reducing the amount of waste that needs to be disposed of, but also of converting it into a product that is useful for gardening, landscaping, or house plants.