Cropsalt GranularCropsalt Granular is a combination of organic and inorganic fertilizer in granular form used to provide complete nutritional needs for up to 180 days. Containing coated controlled release fertilizer (CRF) along with organic slow release fertilizer, humics, fulvics, and worm castings, there is nothing that comes close. The granular provides multiple forms of calcium just like the solubles. CALCIUM IS KEY. Control release fertilizer gives the plant what