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Waste Management


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aerate To introduce air into the soil by punching holes into the earth.
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biocell A reinforced concrete box with a 60 cubic metre capacity used for mass composting.
browns Organic material that is high in carbon. (Materials high in nitrogen are referred to as "greens".)
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carbon A basic element for every living being. Carbon makes up sugar molecules, which are broken down by the cells to create energy. Organic materials high in carbon are referred to as "browns".
clippings The blades of grass severed during mowing.
compost Completely decayed organic matter. Dark, odourless, and rich in nutrients, it’s used to provide nutrients to soil.
composter A bin that stores organic materials (grass clippings, leaves, vegetable and fruit peelings) to make compost.
crown rot A fungal disease caused by excess water around the base of a plant.
contaminant Useless material in compost such as glass, plastic, stones and toxic compounds.
curing The last stage of composting that happens after much of the metabolized material has been decomposed.
cured compost Compost that has gone through the curing stage.
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decompose To decay or rot; the breaking down of organic materials into smaller particles.
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erosion The deletion of soil by wind, water or human activity.
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grasscycling Leaving clippings on the lawn after mowing to decompose and add nutrients to the soil.
greens Organic materials high in nitrogen. (Composting materials high in carbon are referred to as "browns".)
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humus The organic part of soil, formed by the decomposition of plants and leaves by soil bacteria.
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kitchen waste Food waste such as eggshells, bones, and coffee grounds.
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landfill A cavity in the ground filled with waste. When full it can be covered up to look like part of the landscape.
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metabolize The process of breaking down substances in cells to get energy.
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nitrogen A colorless, tasteless, odourless element that helps plants grow faster. Composting materials high in nitrogen are called "greens".
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organic Anything — plant or animal — that is, or was, living, made from something living or expelled from something living.
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pallet unit A type of composter made from wood pallets.
pruning Cutting and trimming plants to remove dead or damaged branches or to control and direct new growth.
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root ball The system of roots in the attached soil of any plant.
red wiggler worms Small red worms used in vermicomposting.
root zone The part of the plant that is below the soil and the area around it.
rototill Using a rototiller to cultivate the soil.
rototiller A gasoline powered machine used to work the soil.
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vermicomposting Using red wiggler worms to compost kitchen waste.
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yard waste Grass clippings, dead plants and leaves, weeds and brush.
yield The amount of plants or grass a lawn or garden produces.
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E-mail or call Public Works at 905-791-9499 for composting facts, tips, supplies and more.

Revised: Thursday July 26 2007


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