Based in Louisville, KY, Charah today is one of the largest providers of coal combustion product management and power plant support services for the coal-fired electric utility industry. Charah Agricultural Products focuses on innovative product development for the agricultural market including SUL4R-PLUS® fertilizer, an in-demand pelletized calcium sulfate that is engineered to provide improved crop yield for growers. While synthetic gypsum has been used in agriculture applications in the past, Charah Agricultural Products has a patent-pending process to pelletize the byproduct, making sulfur application easier for the farmer and meeting the increasing demand for sulfur by the regional farming industry.
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