32 LB, Milorganite Slow-Release Nitrogen Fertilizer, Promotes Healthy Growth Of Lawns, Trees, Shrubs, Flowers & Vegetables, Contains Slow Release Nitrogen Which Helps Produce Thick, Green Lawns Without Excessive Top Growth & Iron For Enhanced Greening, Non-Burning Formula Doesn't Contain Any Salts, Doesn't Have To Be Watered In, Stays In The Soil Ready To Work When Moisture Comes Later, Eco-Friendly, USDA Bio-Preferred Certified Containing 85% Organic Matter, Trusted By Golf Courses & Homeowners For Over 90 Years.