Question

write the exchange reaction for the change that occurs when a calcium fertilizer is added to a humus micelle with initially adsorbed potassium ion on carbocyclic groups

Answer 1

Answer:

Cation Exchange Capacity (CEC) – First, what are cations (pronounced CAT-eye-ons)? Simply put, they are positively charged ions. The cations in the soil that concern us the most are calcium (Ca), magnesium (Mg), potassium (K), and hydrogen (H). The capacity of the soil to hold and exchange cations is determined by the amount of clay and/or humus that is present. These two colloidal (negatively charged) substances are essentially the cation warehouse or reservoir of the soil. Sandy soils with very little organic matter (OM) have a low CEC, but heavy clay soils with high levels of OM have a much greater capacity to hold cation.

Explanation:

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