Obtain the results you want, naturally, with Milorganite Organic Nitrogen Fertilizer. This special blend contains no chemical salts, so it will not burn, scorch or stripe your lawn, even in the hottest temperatures and driest conditions. It does not need water to activate and provides a slow release of nitrogen over an 8-12 week period. The formula is ideal for lawns, trees, shrubs, flower and vegetable gardens, seeding and sod. Covers up to 2500 square feet.