Advancing Organic Potassium Fertilizer with Protassium+ Organic

Organic crop growers now have a pure, consistent and reliable potassium fertilizer option with the release of Protassium+™ Organic sulfate of potash.

Protassium+ Organic is a dual-nutrient, concentrated sulfate of potash (SOP) offering a high potassium and plant-available sulfate sulfur. It is the only domestically produced and packaged SOP certified and approved for organic food production by the Organic Materials Review Institute (OMRI), California Department of Food and Agriculture (CDFA) and USDA National Organic Standards Board (NOSB).

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