Check out some great tips on how to mow your lawn correctly here . By its nature, the amount of iron sulphate actually applied is much less meaning that staining will be less severe and it can be rinsed off of hard surfaces with a hosepipe when accidents happen. Lawn Fertilisation Many lawn fertilisers contain a high amount of Nitrogen to support vigorous, green growth, but there are drawbacks to using too much nitrogen-based fertiliser. Iron is very safe to use. Essentially, it has a selective mechanism that only targets moss. Iron sulphate as a fertilizer can be sold anywhere without restriction. Treatment: 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. Sulphate of iron can also be applied on its own by diluting the powder in warm water and applying in a watering can with a fine rose or in a sprayer with a coarse nozzle. Mix the liquid iron at 2 oz per quart of water, 8 oz per gallon. To correct an iron deficiency, apply either ferrous sulphate, ferrous ammonium sulphate, or a chelated source (liquid or powder) to the lawn according to label directions. Worm casts are supressed promoting a rich, dark green grass perfect for summer. That's a nitrate fertilizer that will also lower soil pH; over-apply any nitrogen fertilizer and you risk burning the lawn. Fertilizing your lawn with ammonium sulfate provides a quick-release boost for grass. Mixing Iron Sulphate (So luble Iron or Iron Sulphate) You should always apply iron sulphate products to the whole lawn in an evenly distributed manner. It is caused by the body’s regulatory system failing to keep iron levels within healthy limits. In general, a lawn’s pH level should be between 6.0 and 7.0. Sulphate of Iron can be applied every 4-6 weeks during the growing season from March to the end of August. 1. This is the calc I use to dose my lawns with a coarse watering can rose. 6 people found this helpful. To make your lawn less acidic, you can apply lime. Like it or not, iron sulphate is a very useful, and easy to buy, compound for professional lawn care technicians! Granules should be worked into the soil. But these days more and more lawn care professionals… Its amazing how quickly the moss blackens . During dry weather, water thoroughly before and after application. I realize it depends on many factors, but I don't do much spraying and I had a new hand held sprayer. The first step before applying any product to your lawn is understanding what you are actually using. Too much nitrogen, however, burns the lawn. Hello. Example; for a lawn of 400m square with 5g product per metre 400 x … Iron sulphate as a moss-killer is classed as a pesticide. Ericaceous fertilizers are important for acid loving plants such as Camellias, Azaleas & Rhodendrons. We would recommend using 2-3 Oz. You will get a rapid green up of the turf for around 6 weeks, with fantastic moss control properties too – so long as the moss is really wetted during application, thus water volume is so important. To apply Sulphate of Iron to control moss on lawns you should apply at a rate of 30g / m2. Because of urea's high nitrogen content, it's readily converted to ammonia in the soil, making it one of the most concentrated nitrogenous fertilizers. Edits: add cool season rates to avoid a black lawn. What is the application rate of Ferrous Sulfate for lawns (St. Augustine grass)? Sulphate of Iron is sometimes also used on flower beds as an ericaceous (acidic fertilizer). It's used in fertilizers, feed supplements and the manufacture of plastics and drugs. Lawn care is more complicated than water and sunshine, and entails investing in products to ensure optimal lawn health. Take care when mixing, as Sulphate of Iron can stain clothes or concrete path ways. This is so much better than traditional Lawn Sand. From looking around at this site and elsewhere it seems I need to use. Right. Products made with iron sulphate have traditionally always been applied prior to scarification in an attempt to blacken the moss and make it easier to remove. Using Iron on your lawn is a good decision and something I recommend without reservation. The Iron Sulphate you buy at a garden centre will be around 10% Fe . ... the area of your lawn NOT how much water you need. I have used the "cheap" iron at higher rates, but results were not good beyond 10 days. (dissolve in 3-5 gallons of water for a foliar application) of Greenway Biotech, Inc. Ferrous Sulfate (20% Iron (Fe) ) per 1000 sq.ft. A dry fertilizer with 2% iron … Sulphate of iron is the number one way of killing off moss on your lawns and giving your grass the room to breathe and grow. However, too much Iron Sulphate can drive down soil pH too far, creating a root environment that is excessively acidic. If any solution is splashed onto your clothing wash them separately to other garments as it may contaminate them too. Sulphate of iron can cause problems by sticking to bowls and staining hands and shoes, but causes no health problems. Which is better for greening up the lawn? Be careful when you apply, however–getting the higher concentration of iron on your lawn can harm the grass, too. An important key point to keep in mind is that moss does not kill lawns but grows on the surface of the grass. The way round this is to use products containing liquid iron during the playing season, as they are non staining, and are actually much more effective during the growing season anyway. The best time to apply iron to your lawn is in the spring, when temperatures are in the 60s to 70s F. Avoid spraying or applying iron … And over-applying nitrogen fertilizer can be detrimental to the lawn itself—either through creating too much top growth or possibly burning the grass plants. Ferrous Ammonium Sulfate for every 1K of Cool Season Lawn 2.0 oz of Ferrous Sulfate (0.4oz of Fe) 1.7 oz of Ammonium Sulfate 1 Gallon of Water(preferably Hot or Warm) Avoid the iron on the leaves in summer temperatures. Helpful. A curious consequence of our pesticide legislation is a result of the fact that pesticides need to be expensively registered. Ammonium Sulphate or Sulphate of Ammonium can create a green lawn faster than most other products but it comes with a warning. Iron can be good for your lawn when it is deficient. Iron sulphate is not only used by our loyal customers, but supplied to golf clubs for use on their greens, lawn keepers and professional sports clubs to make their pitches perfect for the sport of their choice. 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