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3 Cards in this Set
- Front
- Back
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sources of pH change
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C2CO3 from CO2 and H2O
organic matter sulfur oxidation from decomp acids in precipitation plant cation uptake nitrate reduction |
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Principle pools of acidity
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active acidity due to H+ ion
salt exchangable acidity residual acidity potential acidity |
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aluminumm toxicity
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affects plants and bacteria in acid soils. less a problem over5.2 or organic soils. damages root calcium gates, interferes with atp and dna production. sympt. incl. brown stunty roots.
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