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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

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.

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.

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

COMPOST AT HOME

• Compost Pile• Compost Tumblers• Vermicomposting bins• Electronic Composter

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.