Americas premier volcanic ash based natural mineral fertilizer since 1942. AZOMITE replenishes macro and minor trace minerals to support soil fertility for maximum plant performance. Adding AZOMITE improves efficacy of conventional and Organic listed NPK fertilizers. Abundant minerals in AZOMITE support broad microbial diversity in the root zone for better nutrient uptake. Its composition is rich in bio-available nutrients silica and a bit of mineral clay to enable better water efficiency and the formation of soil aggregates especially needed in drought prone sandy soils. AZOMITE requires no mixing. It is odorless will not burn plants and will not restrict aeration or water penetration. AZOMITE is not manufactured or chemically prepared. It is 100 naturally derived and is completely free of additives synthetics or fillers.