Minnesota Twins Wallpapers Wallpaper Cave Minnesota Twins HD Wallpapers 33184 Baltana Minnesota Twins Wallpapers Top Free Minnesota Twins Backgrounds Minnesota Twins Wallpapers Wallpaper Cave Minnesota Twins Wallpapers Wallpaper Cave Minnesota Twins Wallpapers Top Free Minnesota Twins Backgrounds. VOLCANIC SILICA MICRONIZED MINERALS POWDER Ecologically harvested from rare mineral deposits, Silica Earth's unique profile is what makes this highly valuable to the agricultural community. The distinct typology is composed of Silicon Dioxide (SiO2), Calcium (Ca) and Magnesium (Mg) along with a broad spectrum of trace elements. Silicon is found in most native soils. However it is only available to plants in the soluble form known as monosilicic acid. More and more scientific journals have published findings that highlight the important role silica plays in many plant and biochemical functions. This is why we call Silica, 'The Missing Element'. Approved for Organic Agriculture. HOW IT WORKS Silica Earth Volcanic Silica Minerals works great as a dry mineral additive for soil, coco, rockwool substrate applications, AND for mixing with liquid nutrients, compost tea and foliar. (*safe to use on or near plant roots.) Use according to manufacturer's recommendations.