Use on Lawns, Flower Beds, Vegetable Gardens, Container Grown Plants and Compost Bins. Covers Up To 4,000 Sq. Ft. Comprised of Humus (Humic Acid) and contains Nitrogen, an important fertilizer material. This organic source of Nitrogen provides one of the primary nutrients required by plants to sustain growth. May be applied to established plantings (top- dress) or incorporated into the soil before seeding or transplanting. Application Rates: