Down To Earth Azomite is a fifty pound bag of all natural granulated trace minerals with 0-0-0.2 formula and is listed by the Organic Materials Review Institute (OMRI) for use in organic production The “A to Z Of Minerals Including Trace Elements,” is a natural trace mineral product derived from the natural dust of an ancient volcano in central Utah and contains over 70 beneficial elements This powdered grade is virtually dust-free and is ideal for blending with other fertilizer materials or amendments as a trace mineral resource to help meet plant nutritional needs Can improve plant and root system growth, crop yields, quality and flavors of fruits and flowers as well as re-mineralize nutrient depleted garden soils, composts or potting mediums Azomite contains soluble potash, calcium and magnesium and has a Natural mineral balance for plants corrects unseen trace element deficiency that can rob the gardener of the best yield