Milorganite 6-4-0 is a 50 lb. bag of organic, slow-release nitrogen fertilizer (6% N, 4% , 2.5% Fe) designed for, but not limited to, turf, trees, shrubs, and gardens. It feeds for up to 10 weeks, is non-burning, and requires no watering-in. A 50 lb. bag covers 4,000–5,000 sq. ft..
