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Which soil have large organic matter |
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Answer» tion:Soils formed from waterlogged ORGANIC matter are KNOWN as peats, and contain a HIGH percentage of organic matter. Acid soils with low pH usually contain greater quantities of organic matter because microorganisms become less active as soil acidity increasesSoils TEND to become acidic as a result of: (1) rainwater leaching away basic ions (calcium, magnesium, potassium and sodium); (2) carbon dioxide from decomposing organic matter and root respiration DISSOLVING in soil water to form a weak organic acid; (3) formation of strong organic and inorganic acids, such as nitric |
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