Most lawn care experts will recommend that using slightly less fertilizer than you need is much safer than overusing too much. If your lawn is suffering from severe chlorosis (yellowing of leaves However, too much Iron Sulphate can drive down soil pH too far, creating a root environment that is excessively acidic. Too wet due to poor drainage Too dry due to compaction or drought prone areas Too much thatch normally a case of poor lawn maintenance Soil fertility is to low due to poor lawn maintenance Although moss can be controlled using Sulphate of Iron the truth is it will return unless the overriding reason for it being in the lawn is rectified. Helpful. Check out some great tips on how to mow your lawn correctly here . I have used the "cheap" iron at higher rates, but results were not good beyond 10 days. Worm casts are supressed promoting a rich, dark green grass perfect for summer. As Liz said the Fe solution strength you buy is important . 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. The Iron Sulphate you buy at a garden centre will be around 10% Fe . 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. Too much Iron sulphate can cause plant damage so use carefully. For sulphate of iron based products such as lawn sand and weed, feed and moss control products always follow the instructions on the packaging. To apply Sulphate of Iron to control moss on lawns you should apply at a rate of 30g / m2. 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. Poor soil drainage. Iron sulphate as a fertilizer can be sold anywhere without restriction. A quantity of 1 kg is enough for preparing 40:1 spray-solution, which should be equally divided over an area of 40 m². Organic iron sources won’t stain your concrete, and they contain other nutrients that naturally build up your soil and lawn. Be careful when you apply, however–getting the higher concentration of iron on your lawn can harm the grass, too. The problem is, I had no idea how many sq ft a gallon of spray would cover. You can use iron sulphate on your lawn as a fertilizer, but not in theory as a moss-killer! Using Iron on your lawn is a good decision and something I recommend without reservation. lawn weed killer to kill the Dandelions and other weeds, iron sulphate to green up the lawn and kill the moss and; lawn fertilizer to help the grass grow I … Experience will eventually guide you to a preferred choice, but if pushed then liquid is a sensible choice. Usually 2-4 ounces of product per 1000 ft 2 of lawn areas will correct the problem. We would recommend using 2-3 Oz. Sulphate of iron effectively controls moss and it’s normally sold in combination with a lawn feed and additional herbicides to give a complete ‘weed and feed’ product. Sulphate of Iron is often referred to as iron sulpahe - either/or really. 1 1 Comment Report abuse Andferdav. Mix the liquid iron at 2 oz per quart of water, 8 oz per gallon. I fear I may have erred too much on the cautious side and made the solution too weak. ... the area of your lawn NOT how much water you need. This is roughly a small handful per m2. If you’re applying iron spray to newly planted grass, the key is to do so when the temperatures have cooled. Sulphate of iron can cause problems by sticking to bowls and staining hands and shoes, but causes no health problems. Its amazing how quickly the moss blackens . 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. So, that should be 30-32 ounces of iron applied. This is the calc I use to dose my lawns with a coarse watering can rose. I realize it depends on many factors, but I don't do much spraying and I had a new hand held sprayer. Take care when mixing, as Sulphate of Iron can stain clothes or concrete path ways. As for iron applications and potential harm to the lawn, most types of iron supplements won't have a harmful effect, with the possible exception of ammonium sulphate. One handful of Sulphate of Iron is approximately 35g (1¼ oz). Because iron sulphate is good for use as a fertiliser, it will benefit your lawn and make it greener. 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. 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. Too much clip will cause harm, so make sure you are only taking off one third of the leaf each time to avoid smothering your lawn. You do not want to use iron on a lawn with low moisture levels. 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. Iron can be good for your lawn when it is deficient. That's a nitrate fertilizer that will also lower soil pH; over-apply any nitrogen fertilizer and you risk burning the lawn. How to Apply Iron Lawn Supplements. An important key point to keep in mind is that moss does not kill lawns but grows on the surface of the grass. 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. Essentially, it has a selective mechanism that only targets moss. This is so much better than traditional Lawn Sand. The Pro-Kleen Iron Sulphate is rich in iron therefore helps to promote a healthy, vibrant lawn.. I wanted to try and get a deeper green colour in my lawn so tried this sulphate of iron. Iron overload refers to the gradual build up of too much iron in the body. Excess potassium is relatively harmless to the lawn and the environment, but too much potassium likely also means an excess of nitrogen and/or phosphorus, both of which can be harmful. Sulphate of Iron can be applied every 4-6 weeks during the growing season from March to the end of August. If your soil retains too much moisture, it can’t drain very well. Mixing water and dish soap and spraying the Moss with it, is also another method often used to kill Moss. Iron sulphate as a moss-killer is classed as a pesticide. Too much nitrogen, however, burns the lawn. In general, a lawn’s pH level should be between 6.0 and 7.0. Lawn care is more complicated than water and sunshine, and entails investing in products to ensure optimal lawn health. 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. Essentially Ammonium Sulphate is straight Nitrogen, a main element in lawns and the N in the NPK ratio often displayed on fertilising products. When it’s hot and the sun is intense, iron can burn new, young grass leaves. It is caused by the body’s regulatory system failing to keep iron levels within healthy limits. Edits: add cool season rates to avoid a black lawn. You can add iron to your lawn just about any time of year. Iron is very safe to use. Using Sulphate of Iron is mostly straight forward and people should not worry much about over applying or causing damage to their lawns. During dry weather, water thoroughly before and after application. Example; for a lawn of 400m square with 5g product per metre 400 x … Iron is a natural product that will help your lawn work better. Like it or not, iron sulphate is a very useful, and easy to buy, compound for professional lawn care technicians! A curious consequence of our pesticide legislation is a result of the fact that pesticides need to be expensively registered. Right. It's used in fertilizers, feed supplements and the manufacture of plastics and drugs. But these days more and more lawn care professionals… Which is better for greening up the lawn? Treatment: I mixed 100 grams in a 10 litre sprayer and went over my lawn. The sand in Lawn Sand is just the carrier of the products – Iron and Sulphate of Ammonia. A Quick Word About NPK. To make your lawn less acidic, you can apply lime. Thereof, when should I apply iron sulphate to my lawn? So, I had in mind to apply about 10 ounces per 1,000 sq ft, and the lawn area was about 3000 sq ft. If any solution is splashed onto your clothing wash them separately to other garments as it may contaminate them too. Hello. 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. What is the application rate of Ferrous Sulfate for lawns (St. Augustine grass)? Ammonium Sulphate or Sulphate of Ammonium can create a green lawn faster than most other products but it comes with a warning. 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. 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 … I have a weed ridden and patchy lawn. (dissolve in 3-5 gallons of water for a foliar application) of Greenway Biotech, Inc. Ferrous Sulfate (20% Iron (Fe) ) per 1000 sq.ft. Before using Ammonium Sulphate you should carefully consider the drawbacks. Fertilizing your lawn with ammonium sulfate provides a quick-release boost for grass. From looking around at this site and elsewhere it seems I need to use. Granules should be worked into the soil. That fully chelated iron from rootsinc is great stuff. Drainage issues welcome moss. 1. 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. Iron Sulphate Lawn Enhancer can easily be diluted in water without any special precautions. Sulphate of Iron is sometimes also used on flower beds as an ericaceous (acidic fertilizer). Its … 6 people found this helpful. I use a 30%Fe to moss kill my lawns , which I can only find on Ebay. 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 first step before applying any product to your lawn is understanding what you are actually using. A dry fertilizer with 2% iron … Ericaceous fertilizers are important for acid loving plants such as Camellias, Azaleas & Rhodendrons. Soil amendments and regular fertilization are the key to a healthy lawn. Top-dressing a lawn with gypsum won't cut it. But Moss doesn’t like it too much, so an application of iron sulphate will usually cause the moss to die off. The material is very fine and will easily blow everywhere if applied in windy conditions; be very wary and try only to do this job on a still day - wind-blow materaial will scorch any soft tissue on plants close to the lawn. Another issue is moisture. 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