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Published byVanessa Owens Modified over 10 years ago
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soil
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organic
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the top layer of the earths surface, consisting of rock and mineral particles mixed with organic matter
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of, relating to, or derived from living organisms
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inorganic
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humidity
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Involving neither living organisms or products of living organisms
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dampness, especially of the air
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weather
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temperature
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The state of the atmosphere at a given time and place, with respect to variables such as temperature, moisture, wind velocity, and barometric pressure.
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The degree of hotness or coldness of a body or environment.
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organisms
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humus
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an individual form of life
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Nonliving, finely divided organic matter in soil, derived from microbial decomposition of plant and animal substances
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decomposition
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decompose
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The act or result of disintegration
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To separate into components or basic elements. To become broken down into components; disintegrate. To cause to rot. To decay
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vegetation
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nutrients
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The plants of an area or a region; plant life
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source of nourishment
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absorption
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compost
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The act or process of taking something in
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A mixture of decaying organic matter, as from leaves and manure, used to improve soil structure and provide nutrients.
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vermicompost
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bacteria
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is the product or process of composting utilizing various species of worms, specifically red wigglers, white worms, and earthworms
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Group of microscopic, single-celled organisms that inhabit virtually all environments, including soil, water, organic matter, and the bodies of multicellular animals.
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microbes
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thermophiles
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A minute life form
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An organism that thrives at high temperatures
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topsoil
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weathering
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The upper part of the soil
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Any of the chemical or mechanical processes by which rocks exposed to the weather undergo changes in character and break down.
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particles
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eroded
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A very small piece or part; a tiny portion or speck.
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To wear (something) away by or as if by abrasion: Waves eroded the shore.
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cultivation
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rocks
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Loosening and breaking up (tilling) of the soil.
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Relatively hard, naturally formed mineral or petrified matter; stone
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minerals
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clay
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inorganic nutrients
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A fine-grained, firm earthy material that is plastic when wet and hardens when heated
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silt
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sediment
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A sedimentary material consisting of very fine particles intermediate in size between sand and clay.
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Material that settles to the bottom of a liquid; lees. Solid fragments of inorganic or organic material that come from the weathering of rock and are carried and deposited by wind, water, or ice.
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sieves
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sand
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sifts
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Small loose grains of worn or disintegrated rock.
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gravel
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pebbles
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An unconsolidated mixture of rock fragments or pebbles.
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usually balls of hard flint or hard burned white porcelain.
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loams
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percolation
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a rich soil consisting of a mixture of sand and clay and decaying organic materials
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the slow passage of a liquid through a filtering medium; "the percolation of rainwater through the soil"
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red wigglers
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the most common type of composting worm
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