definition
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Aluminium ions bound to exchange surfaces in the soil such as clay minerals and organic matter that can be released to the soil solution upon exchange
definition
:
Total concentration of aluminium in the soil, including both soluble and insoluble forms, typically measured after complete digestion of the soil sample.
definition
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Available water capacity (AWC) measures the volume of water soil can retain between field capacity and the permanent wilting point. It represents the water accessible to plant...