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mainlandminerals.com
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Definitions (44)
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nutrient cycling
the process by which nutrients move from the soil to plants, animals and back to the soil again. These nutrients are then used by the plant and thus the cycle continues.
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acid
Any solution where there are more hydrogen ions present than hydroxide ions, such a solution will have a pH less than 7.
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acid cations
Refers to cations having an acid effect i.e. hydrogen (the most common) and aluminium, ammonium and to a lesser extent some other metal trace elements.
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acid soil
Any soil with a pH less than 7.
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alkaline
A reference to the level of acidity within a chemical environment. When pH greater than 7, the environment is alkaline. When pH less than 7 it is acid.
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bacteria
Microscopic organisms lacking chlorophyll. They obtain their energy from organic matter.
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base cations
Cations with an alkaline rather than acid effect i.e. calcium, magnesium, potassium and sodium.
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biological activity
A general reference to the living animal and microbial life within the soil.
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biomass
The living organisms found in a particular area i.e. soil biomass.
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buffer
The ability of soil to either resist changes in pH, or changes in the concentration of nutrients in soil solution.
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