Cation-exchange Capacity - Organic Matter

Organic Matter

Organic materials in soil increase the CEC through an increase in available negative charges. As such, organic matter build-up in soil usually positively impacts soil fertility. However, organic matter CEC is heavily impacted by soil acidity as acidity causes many organic compounds to release ions to the soil solution.

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Other articles related to "organic matter, organic":

Sand-based Athletic Fields - Aeration and Topdressing For Proper Thatch Management
... When there is a thick mat of organic matter near the surface of a field a second perched water table will form ... Taking up plugs and removing them from the surface eliminates much of the organic matter that is in the soil ... This is because they do not reduce the organic layer, but merely displace it ...
Soil Biodiversity - Soil Management and Biodiversity - Soil Process Impacts
... zone inappropriate use of nitrogenous fertilizers and build up of organic matter (Slattery Hollier, 2002) ... decline as a result of reduced microrganisms and organic matter – this brings a susceptibility to erosion under high rainfall events, drought and agricultural disturbance ... Soil erosion leads to a loss of topsoil, organic matter and nutrients it breaks down soil structure and decreases water storage capacity, in turn reducing ...
Organic Matter - Vitalism
... The equation of "organic" with living organisms comes from the now-abandoned idea of vitalism that attributed a special force to life that alone could create organic substances ...
Nutrient Management in Sand-based Athletic Fields
... Sand has virtually no CEC, whereas clay and organic matter have relatively high CEC ... This means that the higher the clay and organic matter of a soil, the more nutrients it will hold ... sand base will not hold on to nutrients until there is substantial organic matter incorporated into the soil to keep nutrients from leaching ...

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