Compass Minerals Plant Nutrition

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Compass Minerals
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Protassium+® for Organic Production sulfate of potash (0-0-50-17S) has less than 1% chloride and the lowest salt index per unit of K2O of all major potassium sources. This ensures efficient water and nutrient uptake. The result is healthier plants and higher yields — whether conventionally or organically farmed. To review field trials, plot studies and research, visit

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