Effect of Potassium on Ammonium Fixation and Adsorption of Vermiculite in Binary and Ternary Systems

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Ammonium fixation and adsorption experiments were conducted to study the effect of potassium on ammonium fixation into interlayer of vermiculite and ammonium adsorption at the surface of vermiculite both in the binary (NH4+-Ca2+) and ternary (NH4+-K+-Ca2+
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