This product is a blend of several different nutritious mineral rich Rock Powders added to waste produce and bio-converted into a nutrient rich product with high levels of organic content. It is 100% natural and organic with no added ingredients. It should be mixed into your garden in the early spring two weeks before planting then added several times throughout the growing season. It provides immediate nutrient release and will continue to give results for several seasons. Nutrient levels are high and adequate for the growth of healthy robust plants and vegetables.