 TEL AVIV, Israel--BUSINESS WIRE--ICL NYSE: ICL TASE: ICL, a leading global specialty minerals company, today announced the one-of-a-kind polyhalite multi-nutrient fertilizer produced at its Boulby mine in East Cleveland, United Kingdom, has been approved for use in organic farming. ICL markets this unique mineral under the brand name Polysulphate, and the Control Union Certifications organization, which is accredited by both the EU and USDA, now recognizes both standard and granular grade 