5 Pounds of Greenway Biotech Micronized Azomite Powder Packaged in Resealable Heavy Duty Bag Azomite Contains Over 70 Types of Micronutrient and Trace Minerals Great Soil Amendment and fertilizer Enhances and Increases Crop Yield Azomite is a distinct source of a broad spectrum of approximately 70 trace mineral elements and micro-minerals vital in both, plants and animals. Azomite is mined from mineral-rich volcanic ash deposits and contains many rare elements that are not found in other organic or artificial fertilizer such as silica. Azomite contains: Soluble Potash 0.2% Calcium 1.8% Magnesium 0.5% Chlorine 0.1% Sodium 0.1% Azomite is also used as a feed ingredient for animals. Azomite application rates vary depending on where you plan to apply both on turf or lawn, trees, vegetables, and flowers.