Ammonium sulfate has a pH value of 5.5 and the sulfur it contains will provide a tiny bit of help. Repeat every 3-4 weeks. It is a chemical compound that is primarily used as a nitrogen fertilizer with other minor uses. It is warm season grass. The effects of this fertilizer remain for 4 to 6 weeks. - posted in Soil and Amendments: What results are you guys getting with the different types of nitrogen fertilizer? According to US Department of Agriculture plant hardiness zones it is 4 to 7. Since lawn grass requires nitrogen, commercial lawn fertilizer products use ammonium sulfate to stimulate quick growth of grass turf and healthy lawn grass. Hundreds of readers have passed along these items to their friends and co-workers while dozens more have sent their comments on this tragedy directly to us. If the pH is above 5, ammonium sulfate can be used. Also Read: Ammonium Sulfate For Grass Advantages and Disadvantages, Benefits of Sulfur and Nitrogen For Your Lawn. Correct use of this fertilizer maintains healthy nitrogen levels in the soil and, in the case of alkaline soils, helps to maintain a good pH balance. Ammonium sulfate, ammonium nitrate or urea plus ammonium nitrate added to spray tanks has been shown that it can increase efficacy of postemergent herbicides. In subsequent years, use the same timing and increase the amount of fertilizer by 0.1 pound each year until you are applying 0.3 pound of ammonium sulfate per bush per application. Addition of Ammonium Sulfate (AMS) Over the last 10 years more and more people have been adding fertilizer solutions to herbicides in their tank mix to increase control of undesirable plants. Your lawn needs regular but small applications of this fertilizer. As it is obvious from its name ammonium sulfate provides lawns with sulfur and nitrogen. Warm-season grasses require monthly fertilizer applications from spring through the growing season, or about eight applications. Don't exceed recommended application rates because over-fertilizing with ammonium sulfate can burn grass. – from USDA Leaflet No. Ammonium sulfate is cheaper than slow-release fertilizers per pound of nitrogen and produces a rapid greening effect even at low temperatures. Its effects last four to six weeks. By creating an account you agree to the Hunker, The Midwest Sod Council: Turfgrass Fertilization, Colorado State University Extension: Understanding Fertilizers, Penn State College of Agricultural Sciences: Turfgrass Fertilization -- A Basic Guide for Professional Turfgrass Managers, Seedland: Climate Maps, Grass Type Chart & More, University of California IPM Online: Turfgrass, University of Illinois Extension: Trends in Home Lawn Care, Colorado State University Extension: Lawn Care. The ammonium sulfate fertilizer or sulfate of ammonia ((NH4)2SO4; sulfate is also spelled sulphate) is sometimes called ammosul or further abbreviated as AS or AMS. Hope you will find the stuff on these pages informative ! Sulfur plays a secondary nutritional role. As a fertilizer, the compound is applied as granules, and fused with ammonium sulfate to minimize the volatile nature of the compound. But the home gardener should know there are drawbacks as well as advantages to using it on lawns. Ammonium sulfate (21-0-0-25S) and ammonium nitrate (34-0-0) are the best materials for N-only starters. It can be applied to lawns as a top dressing of nitrogen and sulfur with a broadcast or drop-type spreader. The fertilizer is found suitable for all types of plants and grasses both warm season as well as cool season. Nitrogen plays a vital role in different functions of a plant, is highly important for its overall wellbeing. Also Read: What Chemical Makes Grass Green? After application, when it rains or you irrigate your lawn these substances (sulfur and nitrogen) are instantly available to your lawn grass roots for absorption. We recommend using Greenway Biotech, Inc. Tomato Fertilizer for tomato plants since that was specifically formulated for maximum yield for tomato plants. 99 When To Fertilize Bermuda Grass In Texas? To supply 4 pounds of nitrogen per year, apply 2/3 pound ammonium sulfate at each application. It needs 2 to 4 lbs. A fertilizer application at Thanksgiving is extremely important if you want a dark green lawn tall fescue through the winter. Hunker may earn compensation through affiliate links in this story. Other Uses for Ammonium Nitrate Description and important properties of fertilizers. Also Read: Best Fertilizer To Make Grass Green, Cons of Using Ammonium Sulfate For Your Lawn Health. As ammonium sulfate comes with 21% nitrogen so to calculate one pound of actual nitrogen you need to divide 100 by 21 that gives 4.76. Ammonium sulfate vs Urea. Avoid using straight soluble nitrogen fertilizers such as ammonium sulfate or urea during late fall because they increase the susceptibility to disease and winterkill. This means that 2.5 lbs of fertilizer has roughly 0.5 lbs of nitrogen: the amount needed for the five inch tree. Fertilizing your lawn with ammonium sulfate provides a quick-release boost for grass. The ammonium nitrate debate is getting more interesting. "This equals about 8 pounds of this fertilizer applied to get one pound of nitrogen out there in the soil." Applying it just before the spring digging of the site allows you to evenly distribute the substance on the bed. Alternatively, apply ammonium sulfate according to the supplier's instructions. The 21-0-0 fertilizer analysis provides an ideal balance of nutrients for Hawaiian plants and soil. Ammonium sulfate is a water soluble fertilizer providing 21 percent nitrogen by weight and 24 percent sulfur. Nitrogen is a major grass nutrient used to create chlorophyll, which grass needs to live and grow, and sulfur is a secondary nutrient. It is available both in liquid form as well as granular so you can easily select the one best for your lawn overall health. Tall fescue (Festuca arundinacea), a cool-season grass hardy in USDA zones 4 through 7, also requires 2 to 4 pounds per 1,000 square feet per year, but cool-season grasses are fertilized in midspring, early summer, late summer and late fall. "For example, using 12-11-2 fertilizer, if we knew we wanted to apply one pound of nitrogen, we would use 1/12th of 100 pounds," he said. Nitrogen has a big role in chlorophyll creation. Used as an inorganic fertilizer on lawns it is relatively inexpensive and makes nitrogen almost immediately available to plants. Lawns require regular, small applications of ammonium sulfate. Since ammonium sulfate contains only 21 percent N, other fertilizer sources more concentrated and economical to handle and transport often make a … Using ammonium sulfate in crop fields can simultaneously eliminate sulfur and nitrogen deficiencies and consequently improve the quality of agricultural products. So before apply it to your lawn it is important to properly understand the maximum amount of ammonium sulfate needs of your grass type and also makes sure when to apply it means the timing gap between two applications. Ammonium Sulfate Use Recommendations Begin applications three weeks after transplanting. Chemical fertilizers don’t enhance the long-term health of fields, nor does it supply more life within the garden since it doesn’t contain organic matter. The past two weeks, CropLife magazine has covered the developments at the West Fertilizer Co. plant in West, TX. Ammonium sulfate also helps maintain an acidic pH. It is important to use the fertilizer in required amount, avoid over use. Since lawn grass requires nitrogen, commercial lawn fertilizer products use ammonium sulfate to stimulate the quick growth of grass turf and healthy lawn grass. It is the prime grass nutrient contributor. This substance dissolves rapidly in water, but not in alcohol and other synthetic mixtures, making it a solid addition for stabilizing fertilizers. The fertilizer comes with properties for giving your lawn a lush green look even at low temperature. Ammonium sulphate fertilizer is a widely used, inorganic soil supplement that has particular benefits when applied to alkaline soils. It needs nitrogen in same quantity as mentioned above for Zoysia. The fertilizer granules can be scattered over your lawn by hand or with a fertilizer spreader, and the fast-release formula lasts up to 12 weeks. The minimum amount of fertilizer - 25-30 g - for a square meter of planting. The primary use of ammonium sulfate is in commercial pesticides and fertilizers. To calculate 1 pound of actual nitrogen divide 100 by 21, which gives 4.76. There is an important precaution associated with certain fertilizer materials. If your lawn is nitrogen and sulfur deficient then you can easily cover this gap with application of ammonium sulfate in quick span of time because of the water soluble properties of this fertilizer. Tall Fescue is a cool season grass. The salt index indicates the fertilizer capability for burning your lawn grass. Ammonium nitrate, NH4NO3, is a salt of ammonia and nitric acid that is highly soluble in water. Sulfate of Ammonia Dry Lawn Fertilizer helps green new or established lawns. Care is must if you are using ammonium sulfate as lawn fertilizer. Neutral to alkaline soils (those with a pH of 6.5 or higher) may benefit from ammonium sulfate applications, especially if you would like to grow acid-loving plants. I know it does not Volatilize like Urea and that it makes the soil more acidic. Its formulation is 21-0-0, which means it contains no phosphorous or potassium, two major plant nutrients. For example Zoysia grass which is famous for its hardness. Ammonium releases upon exposure to water and can make its way into the air in the form of ammonia gas. The primary use of ammonium sulfate is as a fertilizer for alkaline soils. And since Ammonium sulfate fertilizers easily blend with other nitrogen fertilizers, they allow for a more stable dry lawn fertilizer. Slow-release lawn fertilizers provide less risky alternatives to ammonium sulfate. The GAVIOTA 20 lb. In chernozems, ammonium sulfate is more effective than other nitrogen fertilizers. by Pure Ingredients, Eco-Friendly Packaging, Fertilizer & Soil Acidifier, Highest Quality, NO Iron OR Aluminum (Also in 8 oz, 1 lb, 2 lb, 25 lb) 4.1 out of 5 stars 27 $19.99 $ 19 . Ammonium nitrate was the most common source of lawn fertilizer nitrogen until price increases starting in 2004 reduced its availability. Blood meal (12.5-1.5-0.6) releases nutrients over a period of two to six weeks. Ammonium sulfate is used as fertilizer for alkaline soils because ammonium ion forms small amount of acid which lowers the pH of soil. Lawn fertilizers are categorized according to their salt index, which states their potential for burning grass. Ammonium sulfate contains 21 percent nitrogen. Lawn fertilizers have their specific salt index. The idea behind this information pack is to provide quick and easily accessible source of information to Garden Lovers for better and informed decision about all lawn mowers and tractors related purchases. Side-dress 1 cup per 20 linear feet of row. Ammonium sulfate supplies lawns with nitrogen and sulfur. The goal of using ammonium sulfate fertilizer is to support healthier plant growth. Zoysiagrass (Zoysia spp. Make fall applications in September for Regions 1, 2 and 3 (see map) and in October for Regions 4 and 5. 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 square feet of surface every month during the growing season without the slightest indica'in of burning, … Without chlorophyll plants can’t survive, the grass needs it for living and growth. Containing 21 percent nitrogen and 24 percent sulfur, and available as a granular and liquid feed, ammonium sulfate is a mineral fertilizer product suitable for cool-season and warm-season lawns. The real pH reduction occurs when soil microbes convert the ammonium into nitrate, in a process called nitrification. The best season for fertilize application for cool season grasses is mid-spring, late summer, early summer or late fall. Also Read: How To Thicken Grass In Shady Areas Working Tips and Ideas? feet. Different types of grasses have different application rates as well as timing differences. For warm seasons grasses apply ammonium sulfate from spring through the growing season. This information pack consists of personal experiences and collections from diverse sources. For warm seasons grasses apply ammonium sulfate from spring through the growing season. Anti- caking agents are also added to the fertilizer. Its formula is 21-0-0 which means that there is no potassium and phosphorus; two important plant nutrients. Soils low in organic matter may lack sulfur, which causes yellowing older leaves, slow growth, and delayed maturity in grass. To feed your lawn with required 4 lbs. Ammonium sulfate has an acidic reaction with the soil. Ureaform is a manufactured fertilizer that contains quick-release and slow-release portions, and supplies nitrogen at a steady rate when applied over several years. If you exceed the recommended application it can burn your lawn grass. Continual use of ammonium sulfate may reduce the soil pH below the desired range of 4.5 to 5.5. In areas with high pH soils, the sulfur in ammonium sulfate helps lower soil pH levels. Green's work appears in Diva, Whole Life Times, Listverse, Earthtimes, Lamplight, Stupefying Stories and other websites and magazines. How To Thicken Grass In Shady Areas Working Tips and Ideas? If the soil pH is below 5, the urea form of nitrogen is preferred. At time of writing this piece of content ammonium sulfate was cheaper when compared to its prices with slow release fertilizers by taking into account per pound of nitrogen cost. Lack of sulfur can cause different health problems for your lawn such as slow growth, yellowing older leaves and your grass not achieve the maturity in the required time frame. A graduate of Leeds University, Jenny Green completed Master of Arts in English literature in 1998 and has been writing about travel, gardening, science and pets since 2007. You need to feed your Zoysia lawn with 4 pound of nitrogen per year, so apply 2/3 pound of this fertilizer at each application. The guaranteed analysis is 21-0-0+24(S). In the soil the ammonium ion is released and forms a small amount of acid, lowering the pH balance of the soil , while contributing essential nitrogen for plant growth. Don't exceed recommended application rates because over-fertilizing with ammonium sulfate can burn grass. If your soil has a pH of less than 6.0, you should not use ammonium sulfate. of nitrogen per 1000 sq. Application rates and timing vary according to the grass type. Ammonium sulfate's salt index is 69, indicating a high burn potential when applied in excessive amounts. Containing 21 percent nitrogen and 24 percent sulfur, and available as a granular and liquid feed, ammonium sulfate is a mineral fertilizer product suitable for cool-season and warm-season lawns. Urea nitrogen is less acid forming than ammonium sulfate. of nitrogen, you need to apply 2/3 pound of this fertilizer after two weeks. The substance contains 24 percent sulfur while the nitrogen percentage is 21. Using ammonium sulfate, one lb of fertilizer has 0.21 lbs of nitrogen (21%). Its formula is 21-0-0 which means that there is no potassium and phosphorus; two important plant nutrients. How Much Ammonium Sulfate To Use For Your Lawn? As a high-analysis fertilizer offering, it packs 900 pounds of total plant food per ton, making more efficient use of your fertilizer bins. This Site Owner is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. It is unnecessary for Bermudagrass. Ammonium sulfate comes with salt index 69 that means it has high potential for burning grass if it is applied in excessive amount. However, if you are using dry granular fertilizer then you should apply Ammonium Sulfate at the rate of 1 tablespoon per plant. Ammonium Sulfate (5 lb.) Zoysia grass needs 2 to 4 lb. Ammonium sulfate also breaks down quickly on contact with water, which means it's at high risk of leaching into groundwater and must be reapplied frequently for a long-lasting effect. As ammonium sulfate comes with 21% nitrogen so to calculate one pound of actual nitrogen you need to divide 100 by 21 that gives 4.76. To supply 4 pounds of nitrogen, apply 2/3 pound of ammonium sulfate two weeks apart at each seasonal application. Comments are closed, but trackbacks and pingbacks are open. 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Ammonium sulfate supplies nitrogen and sulfur in a water-soluble form, so that as soon as it rains or the lawn is irrigated, nutrients are immediately available to grass roots. Ammonium Sulfate For Grass Advantages and Disadvantages. Application of ammonium sulfate as fertilizer brings quick boost to you grass health. Make sure not to over apply because Nitrogen fertilizers could kill plants easily. of nitrogen a year per thousand sq. According to US Department of Agriculture plant hardiness zones it is 5 to 10. Best Zero Turn Mower For 2 Acres Reviews and Recommendations. Growers apply ammonium sulfate primarily where they need supplemental N and S to meet the nutritional requirement of growing plants. Its correct use regulates the pH of alkaline soil and maintains healthy nitrogen levels in the soil. This product does nothing when it comes to an evaluation of the soil structure. It is important to read your fertilizer supplier instructions how to use it and in what amount. Ammonium sulfate chemical formula is (NH4)2SO4. Needless to say, the response has been overwhelming. It controls the pH level in baked products & bread. The active ingredients in it are nitrogen and sulfur . Ammonium sulfate is used in the spring as the main fertilizer before sowing or planting crops. feet per year. If you use more than the required amount of fertilizer it can burn your lawn. ), which is a warm-season grass hardy in U.S. Department of Agriculture plant hardiness zones 5 through 10, requires 2 to 4 pounds of nitrogen a year per 1,000 square feet. ALy is the Owner and CEO of Lawn Mower Sale . Read the supplier’s instructions about application rates carefully. Its effects last four to six weeks. Dried and composted manures, composted and activated sewage sludges, fish scraps and meal, seed meal, feather meal, and hoof and horn meal are some natural slow-release lawn fertilizers that provide a longer duration of nitrogen release than ammonium sulfate and may be less likely to contaminate groundwater. Soil pH, temperature, soil moisture and oxygen affect the breakdown rates of natural lawn fertilizers and ureaform. Ammonium sulfate fertilizers easily blend with other nitrogen fertilizers allowing for a more stable, dry-lawn fertilizer. So it is important to apply it frequently for long lasting benefits. Ammonium sulfate should be used cautiously and as part of a wider lawn-care program. We really only have 2 choices around here Ammonium sulfate or Urea I have always used urea but fertlizer guy is suggesting ammonium sulfate do to it is cheeper. On lawns it is obvious from its name ammonium sulfate is more effective than nitrogen. 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