Fertilome (10760) Lawn Food Plus Iron 24-0-4 (40 lbs.) Lawn Food Plus Iron 28-0-4 is a good all-around lawn food. It contains with iron for fast immediate greening on all types of lawns. The iron in the product is chelated for fast, long lasting green-up of the lawn. It contains two types of Nitrogen, which allow for quick greening and long term stable growth. Active ingredients are attapulgite, monoammonium phosphate, ferrous sulfate monohydrate, potassium. Features Contains two types of Nitrogen, which allow for quick greening and long term stable growth. Contains Iron for fast green-up of the lawn. Prevents and correct yellow grass foliage. This 40 lb. bag of turf fertilizer covers up to 10,000 square feet of lawn. 24-0-4 Fertilizer contains 24% Nitrogen, 0% Phosphate and 4% Soluble Potash. Apply with a drop or broadcast spreader. For best results, apply this product evenly and uniformly over lawn avoiding streaking, skips or overlaps. Apply 4 lbs. per 1,000 square feet. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.