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Exchangeable K

Fertilizer Effects. Fertilizer K. Plant Uptake. Crop Residues. Animal Manures. Diffusion. Mass flow. Readily available. Exchangeable K. Soil colloidal surface. Adsorption. 1 – 2 % of total K. Soil Organic Matter. Rapid exchange. Readily available. Soil Solution K+. Desorption.

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Exchangeable K

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  1. Fertilizer Effects Fertilizer K Plant Uptake Crop Residues Animal Manures Diffusion Mass flow Readily available Exchangeable K Soil colloidal surface Adsorption 1 – 2 % of total K Soil Organic Matter Rapid exchange Readily available Soil Solution K+ Desorption 1 – 2 % of total K Microbial Pool Leaching in soils with low CEC Runoff

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