Down to Earth Organic Azomite Granular Formula Soil Enhancer, 50-Pound Mined volcanic mineral product that has been granulated for easy application An excellent way to re-mineralize depleted garden soils, composts or potting mediums Proven to increase crop yield, quality and overall plant growth Carefully blended from organic nutrients in the ideal proportions without the use of synthetics, growth stimulants or low quality fillers Highest quality ingredients help provide an effective and environmentally friendly approach to plant care, crop fertilization and soil management