Cation exchange Notes: Definitions & Explanations PDF | Download eBooks
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Cation exchange Definition:
Mineral cations enter the soil solution by cation exchange, a process in which cations are displaced from soil particles by other cations, particularly H+.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Cation exchange Notes:
Cation exchange capacity is the total capacity of a soil to hold exchangeable cations. It is an inherent soil characteristic and is difficult to alter significantly. It influences the soil's ability to hold onto essential nutrients and provides a buffer against soil acidification. Negative charges on the surfaces of soil particles bind positively-charged atoms or molecules, but allow these to exchange with other positively charged particles in the surrounding soil water.
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