Ammonium Sulphate is one of the most widely used nitrogen fertilizers. Ammonium sulfate fertilizer for trees, shrubs, evergreens, flowers and vegetables. Ammonium sulfate as fertilizer As a fertilizer, AS supplies two fundamental nutrients: ni-trogen and sulfur. Lawn and Garden Ammonium Sulfate has an NPK of 21-0-0. It can be applied to lawns as a top dressing of nitrogen and sulfur with a broadcast or drop-type spreader. Ammonium sulfate is a water soluble fertilizer providing 21 percent nitrogen by weight and 24 percent sulfur. The most common application of ammonium sulfate is its use a soil fertilizer. The substance contains 24 percent sulfur while the nitrogen percentage is 21. Ammonium Sulphate Product Description. 1. We recommend using Greenway Biotech, Inc. Tomato Fertilizer for tomato plants since that was specifically formulated for maximum yield for tomato plants.. Ammonium Sulphate can provide nitrogen and sulphur and can make crops thrive and improve fruit quality , yield and strengthen resistance to disaster.Ammonium Sulphate is the best quick-acting nitrogen fertilizer. These crops are heavy-feeders, meaning they require significant amounts of nutrients (nitrogen and sulfur) and water throughout their initial growth phase. By this method both ammonium sulfate and ammonium phosphate have been applied on plots at the Arlington Turf Garden at the rate of 6V2 pounds per 1,000 Onions need a steady supply of nitrogen to form large bulbs. Ammonium Sulfate is an inorganic water-soluble salt that contains: 21% Nitrogen 24% Sulfur Ammonium Sulfate's high nitrogen content is what makes it the perfect supplement for nitrogen deficient soils and lawns, alike. Ammonium sulfate chemical formula is (NH 4) 2 SO 4. This nitrogen and sulfur only fertilizer can be used on areas where you have adequate levels of phosphorus and potassium. Our Ammonium Sulfate fertilizer is the perfect blend for growing onions, garlic, elephant garlic, shallot and leeks. It was designed to be a safe alternative to ammonium nitrate. This item cannot be … Topdress with Ihis mixture, brush the material well down into the turf, and then follow immediately with a thorough watering. Use for rapid growth and to increase plant greening. Side dress growing plants in early and midsummer with 1/2 cup nitrogen-based fertilizer. The first method is to mix the fertilizer thoroughly with compost. This fertilizer is also great for starting seeds and establishing new lawns. 1. An economical source of quick greening nitrogen, with high sulfur. Ammonium nitrate works well for gardens with acidic soil. With the launch of this new line, we are now the nation’s supplier of urea plus ammonium sulfate. Analysis: 21-0-0-24S available in slightly varying analyses. The guaranteed analysis is 21-0-0+24(S). 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