A Single-Species Organic Mycorrhizal Inoculant. The single strain keeps the cost down but yields high! The Glomus intraradices strain used in this product has been specifically selected because of its superior results in many field trials. Great White Granular 1 OMRI and OIM certified makes a great addition to any organic planting mix. Use on vegetables, fruits, flowers, shrubs and trees. Transplants: Spread product at bottom of planting hole and around roots when backfilling. Mixing with Soil: Mix 8 ounces with 2.5 cubic feet of soil or 150 gram with 50 liters of soil. Existing Plants: Make holes 2-3 inches deep and 6 inches apart around the canopy of the plant. Use 1 teaspoon per hole for optimal performance. Includes free Measuring Conversion Chart Magnet which converts measurements of cups (cup), ounces (oz), milliliters (ml), tablespoons (tbsp), and teaspoons (tsp).