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The mineral components of soil may exist as discrete particles, but are more commonly ... and potentially toxic to plants at low pH values (5–6) (Brady & Weil 2008). Aluminum toxicity is also ...

Both the clay and organic matter particles have a net ... Values for Common Color/Texture Soil Groups. CEC in Soil groups Examples meg/100g----- Light colored sands Plainfield 3-5 Bloomfield Dark ...

Liming is a good investment but a gradual process because it involves reaction between soil and lime particles ... crop vulnerabilities,” he says. 5. Cation Exchange Capacity (CEC).