It is important to use the fertilizer in required amount, avoid over use. – from USDA Leaflet No. 99 Don't exceed recommended application rates because over-fertilizing with ammonium sulfate can burn grass. 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. 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. Best Zero Turn Mower For 2 Acres Reviews and Recommendations. 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 best season for fertilize application for cool season grasses is mid-spring, late summer, early summer or late fall. feet per year. ALy is the Owner and CEO of Lawn Mower Sale . It is available both in liquid form as well as granular so you can easily select the one best for your lawn overall health. Ammonium sulfate is highly soluble in water so there is high risk of its leaching into groundwater. The goal of using ammonium sulfate fertilizer is to support healthier plant growth. The minimum amount of fertilizer - 25-30 g - for a square meter of planting. If the analysis of cow manure is 1-1-1, then it contains 1% nitrogen or 0.01 lbs nitrogen per pound of manure. The primary use of ammonium sulfate is in commercial pesticides and fertilizers. 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. There is an important precaution associated with certain fertilizer materials. Ammonium sulfate, ammonium nitrate or urea plus ammonium nitrate added to spray tanks has been shown that it can increase efficacy of postemergent herbicides. Using ammonium sulfate, one lb of fertilizer has 0.21 lbs of nitrogen (21%). Hope you will find the stuff on these pages informative ! 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. Since lawn grass requires nitrogen, commercial lawn fertilizer products use ammonium sulfate to stimulate the quick growth of grass turf and healthy lawn grass. If you exceed the recommended application it can burn your lawn grass. Description and important properties of fertilizers. It can be applied to lawns as a top dressing of nitrogen and sulfur with a broadcast or drop-type spreader. Its formulation is 21-0-0, which means it contains no phosphorous or potassium, two major plant nutrients. Avoid using straight soluble nitrogen fertilizers such as ammonium sulfate or urea during late fall because they increase the susceptibility to disease and winterkill. Fertilizing your lawn with ammonium sulfate provides a quick-release boost for grass. When To Fertilize Bermuda Grass In Texas? As a fertilizer, the compound is applied as granules, and fused with ammonium sulfate to minimize the volatile nature of the compound. Your lawn needs regular but small applications of this fertilizer. A fertilizer application at Thanksgiving is extremely important if you want a dark green lawn tall fescue through the winter. 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. 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. Ammonium sulfate's salt index is 69, indicating a high burn potential when applied in excessive amounts. It is warm season grass. To supply 4 pounds of nitrogen per year, apply 2/3 pound ammonium sulfate at each application. To feed your lawn with required 4 lbs. 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. Growers apply ammonium sulfate primarily where they need supplemental N and S to meet the nutritional requirement of growing plants. According to US Department of Agriculture plant hardiness zones it is 4 to 7. Soil pH, temperature, soil moisture and oxygen affect the breakdown rates of natural lawn fertilizers and ureaform. Slow-release lawn fertilizers provide less risky alternatives to ammonium sulfate. I know it does not Volatilize like Urea and that it makes the soil more acidic. 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. 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, … Different types of grasses have different application rates as well as timing differences. Nitrogen plays a vital role in different functions of a plant, is highly important for its overall wellbeing. Ammonium sulfate (21-0-0-25S) and ammonium nitrate (34-0-0) are the best materials for N-only starters. For warm seasons grasses apply ammonium sulfate from spring through the growing season. We recommend using Greenway Biotech, Inc. Tomato Fertilizer for tomato plants since that was specifically formulated for maximum yield for tomato plants. Ammonium sulfate should be used cautiously and as part of a wider lawn-care program. Ammonium sulfate supplies lawns with nitrogen and sulfur. Other Uses for Ammonium Nitrate Using ammonium sulfate in crop fields can simultaneously eliminate sulfur and nitrogen deficiencies and consequently improve the quality of agricultural products. 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. If your soil has a pH of less than 6.0, you should not use ammonium sulfate. If your lawn soil is low in organic substances it might be due to lack of required amount of sulfur. The substance contains 24 percent sulfur while the nitrogen percentage is 21. Urea nitrogen is less acid forming than ammonium sulfate. The ammonium nitrate debate is getting more interesting. 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 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. Repeat every 3-4 weeks. Ammonium sulfate vs Urea. 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. Also Read: How To Thicken Grass In Shady Areas Working Tips and Ideas? This product does nothing when it comes to an evaluation of the soil structure. 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. It is unnecessary for Bermudagrass. of nitrogen, you need to apply 2/3 pound of this fertilizer after two weeks. The most common application of ammonium sulfate is its use a soil fertilizer. According to US Department of Agriculture plant hardiness zones it is 5 to 10. Lawn fertilizers have their specific salt index. 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. Blood meal (12.5-1.5-0.6) releases nutrients over a period of two to six weeks. Application of ammonium sulfate as fertilizer brings quick boost to you grass health. Care is must if you are using ammonium sulfate as lawn fertilizer. - posted in Soil and Amendments: What results are you guys getting with the different types of nitrogen fertilizer? Its formula is 21-0-0 which means that there is no potassium and phosphorus; two important plant nutrients. 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. Application rates and timing vary according to the grass type. Anti- caking agents are also added to the fertilizer. 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. Its effects last four to six weeks. Ammonium Sulfate (5 lb.) Sulfate of Ammonia Dry Lawn Fertilizer helps green new or established lawns. Also Read: Best Fertilizer To Make Grass Green, Cons of Using Ammonium Sulfate For Your Lawn Health. Lawn fertilizers are categorized according to their salt index, which states their potential for burning grass. Best Lawn Mower For St Augustine Grass Buyer Guide, WORX WG958 14-inch 40V (4.0AH) WG779 Cordless Lawn Mower and WG547.9 Power Share Cordless Turbine Blower Battery and Charger Included Reviews Pros and Cons, Snapper XD 82V MAX Electric Cordless 21-Inch Self-Propelled Lawnmower 1687914, SXD21SPWM82K Kit with (2) 2.0 Batteries & (1) Rapid Charger Review Pros and Cons. But the home gardener should know there are drawbacks as well as advantages to using it on lawns. Warm-season grasses require monthly fertilizer applications from spring through the growing season, or about eight applications. And since Ammonium sulfate fertilizers easily blend with other nitrogen fertilizers, they allow for a more stable dry lawn fertilizer. Green's work appears in Diva, Whole Life Times, Listverse, Earthtimes, Lamplight, Stupefying Stories and other websites and magazines. So it is important to apply it frequently for long lasting benefits. Ammonium nitrate, NH4NO3, is a salt of ammonia and nitric acid that is highly soluble in water. Zoysia grass needs 2 to 4 lb. This means that 2.5 lbs of fertilizer has roughly 0.5 lbs of nitrogen: the amount needed for the five inch tree. Ammonium sulfate comes with salt index 69 that means it has high potential for burning grass if it is applied in excessive amount. In chernozems, ammonium sulfate is more effective than other nitrogen fertilizers. Ammonium sulfate is cheaper than slow-release fertilizers per pound of nitrogen and produces a rapid greening effect even at low temperatures. However, if you are using dry granular fertilizer then you should apply Ammonium Sulfate at the rate of 1 tablespoon per plant. Its correct use regulates the pH of alkaline soil and maintains healthy nitrogen levels in the soil. Continual use of ammonium sulfate may reduce the soil pH below the desired range of 4.5 to 5.5. Used as an inorganic fertilizer on lawns it is relatively inexpensive and makes nitrogen almost immediately available to plants. ), 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. 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. 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 . Lawns require regular, small applications of ammonium sulfate. Also Read: Ammonium Sulfate For Grass Advantages and Disadvantages, Benefits of Sulfur and Nitrogen For Your Lawn. Zoysiagrass (Zoysia spp. The real pH reduction occurs when soil microbes convert the ammonium into nitrate, in a process called nitrification. of nitrogen a year per thousand sq. Since ammonium sulfate contains only 21 percent N, other fertilizer sources more concentrated and economical to handle and transport often make a … The primary use of ammonium sulfate is as a fertilizer for alkaline soils. Ammonium sulfate is used in the spring as the main fertilizer before sowing or planting crops. Don't exceed recommended application rates because over-fertilizing with ammonium sulfate can burn grass. It controls the pH level in baked products & bread. 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. Ammonium releases upon exposure to water and can make its way into the air in the form of ammonia gas. Sulfur plays a secondary nutritional role. 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 contains 21 percent nitrogen. Ammonium Sulfate Use Recommendations Begin applications three weeks after transplanting. Our editors independently research, test, and recommend the best products.We may receive commissions on purchases made from our chosen links. It needs 2 to 4 lbs. Ammonium nitrate was the most common source of lawn fertilizer nitrogen until price increases starting in 2004 reduced its availability. In areas with high pH soils, the sulfur in ammonium sulfate helps lower soil pH levels. Ammonium sulfate has an acidic reaction with the soil. The effects of this fertilizer remain for 4 to 6 weeks. Nitrogen has a big role in chlorophyll creation. Side-dress 1 cup per 20 linear feet of row. Ammonium sulfate has a pH value of 5.5 and the sulfur it contains will provide a tiny bit of help. Nitrogen is a major grass nutrient used to create chlorophyll, which grass needs to live and grow, and sulfur is a secondary nutrient. To calculate 1 pound of actual nitrogen divide 100 by 21, which gives 4.76. Tall Fescue is a cool season grass. If the pH is above 5, ammonium sulfate can be used. 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. 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. For warm seasons grasses apply ammonium sulfate from spring through the growing season. For example Zoysia grass which is famous for its hardness. It is the prime grass nutrient contributor. The fertilizer comes with properties for giving your lawn a lush green look even at low temperature. If you use more than the required amount of fertilizer it can burn your lawn. How Much Ammonium Sulfate To Use For Your Lawn? Ammonium sulfate is used as fertilizer for alkaline soils because ammonium ion forms small amount of acid which lowers the pH of soil. 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. 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. Alternatively, apply ammonium sulfate according to the supplier's instructions. Hunker may earn compensation through affiliate links in this story. The GAVIOTA 20 lb. Read the supplier’s instructions about application rates carefully. Applying it just before the spring digging of the site allows you to evenly distribute the substance on the bed. If the soil pH is below 5, the urea form of nitrogen is preferred. As it is obvious from its name ammonium sulfate provides lawns with sulfur and nitrogen. Ammonium sulfate is a water soluble fertilizer providing 21 percent nitrogen by weight and 24 percent sulfur. The active ingredients in it are nitrogen and sulfur . Its formula is 21-0-0 which means that there is no potassium and phosphorus; two important plant nutrients. of nitrogen per 1000 sq. Its effects last four to six weeks. The 21-0-0 fertilizer analysis provides an ideal balance of nutrients for Hawaiian plants and soil. It needs nitrogen in same quantity as mentioned above for Zoysia. It is a chemical compound that is primarily used as a nitrogen fertilizer with other minor uses. 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. To supply 4 pounds of nitrogen, apply 2/3 pound of ammonium sulfate two weeks apart at each seasonal application. Ammonium Sulfate For Grass Advantages and Disadvantages. 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. Ammonium sulphate fertilizer is a widely used, inorganic soil supplement that has particular benefits when applied to alkaline soils. It is important to read your fertilizer supplier instructions how to use it and in what amount. 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. feet. The past two weeks, CropLife magazine has covered the developments at the West Fertilizer Co. plant in West, TX. The salt index indicates the fertilizer capability for burning your lawn grass. As a high-analysis fertilizer offering, it packs 900 pounds of total plant food per ton, making more efficient use of your fertilizer bins. "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. This information pack consists of personal experiences and collections from diverse sources. Soils low in organic matter may lack sulfur, which causes yellowing older leaves, slow growth, and delayed maturity in grass. Without chlorophyll plants can’t survive, the grass needs it for living and growth. The fertilizer is found suitable for all types of plants and grasses both warm season as well as cool season. Needless to say, the response has been overwhelming. 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. Since lawn grass requires nitrogen, commercial lawn fertilizer products use ammonium sulfate to stimulate quick growth of grass turf and healthy lawn grass. Ammonium sulfate fertilizers easily blend with other nitrogen fertilizers allowing for a more stable, dry-lawn fertilizer. Make fall applications in September for Regions 1, 2 and 3 (see map) and in October for Regions 4 and 5. Ammonium sulfate chemical formula is (NH4)2SO4. How To Thicken Grass In Shady Areas Working Tips and Ideas? Make sure not to over apply because Nitrogen fertilizers could kill plants easily. The guaranteed analysis is 21-0-0+24(S). This substance dissolves rapidly in water, but not in alcohol and other synthetic mixtures, making it a solid addition for stabilizing fertilizers. 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