What is the application rate of Ferrous Sulfate for lawns (St. Augustine grass)? How to apply sulphate of iron Apply to leaves as a fine mist. Three or four sprays may be required during the growing season. It also allows you to assess the success of the first application and therefore decide on the application rate of a second application. Warning: The maximum rate for application to grass of Lawnsmith® Soluble Ferrous Sulphate is 5g/m2. Ferrous Sulfate (Iron II Sulfate) Heptahydrate is a reagent used in the manufacturing of iron compounds, in electroplating baths, aluminum etching, process engraving and lithography, and in redox polymerization. Fertiliser manufacturers may legitimately include some inert material like clay or sand into their products in order to act as a carrier to ensure that the correct levels of nutrient are present in that particular compound. Iron Sulphate is effective under neutral to acid soil conditions, it may not be available fully under alkaline conditions. Used on its own and applied at a rate of 10 grams per square meter, sulphate of iron kills moss very quickly, however, the duration of kill is relatively short. Apply twice per year, once in early Spring and again in early Summer. 25KG FERROUS SULPHATE MONOHYDRATE FeS04.7H20 (Fe+30%). Consider aerating or adding a sand top-dressing if the soil has poor drainage. Joined: Aug 28, 2010 Messages: 8,450 Gender: Male Occupation: Retired Location: Wigan Ratings: +14,826. remain the same, only the amount of dry iron sulphate powder will change: • 1g to 2g per litre of water per square metre for greener grass (100 to 200g for 100 square metres) • 2g to 3g per litre of water per square metre for turf hardening (200 to 300g for 100 square metres) Be sure to wear gloves to avoid staining your hands. m (1¼ oz/sq. When and how often. In studies it has been found that many private gardeners are using up to 5 times the amount of fertiliser than is necessary. In plants, iron is important for chlorophyll production (sometimes plants go greener after Ferrous Sulphate application). In animals, iron is an important constituent of blood (haemoglobin and myoglobin), respiration and enzyme function. Warning: The maximum rate for application to grass of Lawnsmith® Soluble Ferrous Sulphate is 5g/m2. Oregon State University Extension Service. You can apply Sulphate of Iron every 4-6 weeks to maintain the best soil pH for ericaceous plants. Timing – Apply when symptoms appear. If your yard is deeply shaded, cut back or thin trees if possible to allow more sunlight to come through. We would recommend using 2-3 Oz. These include manual removal of any residual moss, sowing grass seed varieties best suited to your climate and dethatching your lawn regularly. Regular application will maintain healthy growth, fruit yield & quality. Parts of the lawn get less, some get more. Do a soil test and based on the results, add lime to adjust the soil pH to 6.0 to 6.5. Stawberries as low as 1-2g/m of crop row. Promotes a lush, dark green lawn. By sprayer use 12-18 litres of the mixture per 100 square metres. Nitrogen is a major grass nutrient used to create chlorophyll, which grass needs to live and grow, and sulfur is a secondary nutrient. 500g each, 6/carton. We would recommend using 2-3 Oz. Gloves, goggles and dust-mask are sensible precautions if treating large areas. Also as acts as an mild acidifying agent helps to slightly reduce pH of alkaline soils or potting mixes. Can you put too much iron on your lawn? Fight against lichens, settled on tree trunks. Mix 1/4 to 1/2 Pounds of Greenway Biotech, Inc. Ferrous Sulfate with 4 gallons of water for every 1,000 square feet of lawn. ... (Iron) Sulfate: 1. • A soil application of an iron­ ... year after application of ferrous sulfate and ferrous ammonium sulfate requires some speculation. How to Use: Sulphate of Ammonia. Spray the solution you made on your entire lawn and concentrate on area with existing moss. To Kill moss dissolve 40 to 50g of Iron Sulphate to 5 litres of warm water. Rate – Mix 5mL(min) to 10mL(max)in 2L of water. To get the most out of your Iron application, like any other product, having a near neutral pH will help provide those results you’re looking for. Hi, I have a 16l knapsack sprayer that I want to use to spread SOI. By subscribing to our newsletter you are agreeing with the storage and handling of your data by Keith Sinmgleton Horticulture. The granular formula is easy to spread and provides a slow release of potassium. yd) around the base of established plants. Sprinkle sulphur over the soil to be treated at the rate required. Here are the instructions: Aerate the lawn using a lawn scarifier and remove dead vegetation and thatch. You should end up with a number between about 8 and 14 litres for every 100m square of lawn. Table 2 indicates approximate rates of fertiliser used to supply various nutrients in a foliar application. recommended rates only. Application rate for turf hardening. Sulphate of Iron formulation eliminates moss in your lawn. Use Iron Sulphate as a Lawn Tonic and to Kill Moss. For even distribution, use a garden sprayer to apply the diluted iron sulphate moss killer to your lawn. Ideal in high pH soils where the relating nutrients are unusable. The recommended application rate is 35gramms per square metre. This is temporary. Prepare the iron sulphate in a large bucket. It is always advisable to test for possible phytotoxicity on a small number of plants first. may start growing if there are poor growing conditions for your lawn. Increasing the dosage may result in damage to your plants. Why use a chelated form of iron? Moss control can usually be achieved in about four to seven applications, notes PennState Extension. Besides, when should I apply iron sulphate to my lawn? Slightly acidic water with a pH between 5.8 to 6.5 will provide better moss control than using more alkaline water. Caution: Be Careful when handling Sulphate of Iron it … Sulphate of Iron application rate through sprayer. How to Kill Moss With Organic Iron Sulfate. Directions for use. Applied to soil, it is often ineffective, especially in pH above 7.0, because its iron quickly transforms to Fe3+ and precipitates as one of the iron oxides. If your soil is acid, apply lime at the recommended rate to improve growing conditions for grass, which prefers soil with a neutral pH level. It is required for enzymes involved in photosysnthesis and respiration. It is an effective means of increasing potassium levels when using organic fertilisers that tend to be low in potassium. Iron sulphate is also used as a granular fertiliser. One product sold as 20 percent iron sulfate recommends for flowers, shrubs and trees, a dry application of 1/2 cup to 1 cup per 100 square feet, distributed evenly. Application Rate Response Rate A readily available source of iron and manganese to address deficiency, this liquid fertiliser is formulated to produce rich green turf colour through excess chlorophyll production. Fertilizer from iron sulphate. Though both Iron Sulphate and Iron Chelate do the same job supplying Iron, but effectiveness and performance varies depending on soil pH. 1 tablespoon) per square metre of lawn, either directly or dissolved in a watering can (1L for every 15g). Iron application is insufficient. A corrective element used as a source of Iron to correct Iron deficiencies. Iron Sulphate: Active Ingredient: 19% Ferrous Sulphate: LERAP Category: Does Not Apply: Pack Size: 25kg: Pack Size Coverage: 10,000 - 25,000m2: Knapsack Sprayer Rate: 200-500g per 10L of water covers 200m2: Boom Sprayer Rate: 10-25kg in 500L per hectare: … (dissolve in 3-5 gallons of water for a foliar application) of Greenway Biotech, Inc. Ferrous Sulfate (20% Iron (Fe) ) per 1000 sq.ft. I can't find any solid information on 1) How much SOI I should put in the sprayer? View our, Copyright © 2020 Keith Singleton Horticulture. Ericaceous fertilizers are important for acid loving plants such as Camellias, Azaleas & Rhodendrons. Both iron sulfate and iron chelate are soluble in water and are normally applied as sprays, either to the soil or foliage. The best time to use iron sulphate is during spring or autumn. 500g each, 6/carton. How to Use. This is why the moss is removed from the lawn shortly after treatment. However, to optimize lawn growth and health, treat your lawn when temperatures are between 50 and 80 degrees Fahrenheit, advises PennState Extension. Regular application will maintain healthy growth, fruit yield & quality. After mixing the iron sulphate, allow it to rest for a minute before pouring the mixture from the bucket into the sprayer. Once the moss has died back, you can scarify out the debris - ideally 5-14 days after application. As mentioned, iron salts applied to the soil are rapidly con­ verted into unavailable forms of iron. Apply 15g (approx. Frequency – Every 2-4 weeks. This is roughly one small handful. Increasing the dosage may result in damage to your plants. Ammonium Sulphate Granular is reccommended for arable and cropping situations, silo fills and drilling seed. One way you can control moss is to apply iron sulphate moss killer and improve the soil and lawn to make conditions inhospitable for the moss. The easiest to get and most available products contain sulphate, ... Iron application. Fe/acre). Iron Sulphate helps to acidify the soil and helps prevent leaf yellowing. Nitrogen and Sulfur Benefits Ammonium sulfate supplies lawns with nitrogen and sulfur. One handful of Sulphate of Iron is approximately 35g (1¼ oz). Brush off immediately if accidentally spilt. Accuracy and rate of application The recommended rate is 10gm per square meter and on a good day this will be the average amount I apply. Ferrous sulphate’s use as a moss killer helps to acidify alkaline soils to provide ideal conditions for a range of ericaceous plants. Why use a chelated form of iron? It is used in Cropmaster, Ammo 31 and Ammo 36 blends. As mentioned, iron … Always wear gloves when gardening. Sulphate of Iron can be applied every 4-6 weeks during the growing season from March to the end of August. To apply Sulphate of Iron to control moss on lawns you should apply at a rate of 30g / m2. Application rates and timing vary according to the grass type. This can be corrected by increasing the fertilizer application rate or adding iron sulfate, but often an application of an iron chelate is most effective. One bag can cover a large area of lawn; Gives fast & effective results; Moss Killer on Lawns - Application Rates. It also maintains soil pH extremes by lowering pH levels. Documents Health and Safety. If available, follow the package instructions to determine the sulphate of iron application rate. (eg. Apply 15g (approx. Application rates: To correct iron deficiency: Use 20-30g per square metre. Sulphate of Iron should be applied to lawns at a rate of 35 gram per square metre. See Ferrous Sulphate Application for more details. A spreader is out of the question especially a non-drop one. HarryS Eternally Optimistic Gardener. Iron Chelate Forms. (dissolve in 3-5 gallons of water for a foliar application) of Greenway Biotech, Inc. Ferrous Sulfate (20% Iron (Fe)) per 1000 sq.ft. It also helps plants resist fungus attack. Trees and shrubs. Please be aware that Ferrous Sulphate solution will cause staining if spilt or applied to hard surfaces such as concrete. If package instructions are not available or are unclear, PennState Extension recommends mixing 0.15 to 0.2 pounds of sulphate of iron for every 2 gallons of water. Richgro Sulphate of Potash is a fertiliser rich in potassium that encourages growth of quality fruit and colourful flowers. Please be aware that Ferrous Sulphate solution will cause staining if spilt or applied to hard surfaces such as concrete. Over application of the product could also result in blackening of the grass itself. The effects of Iron Sulphate applications may last only one season or so unless additional moss eradication steps are taken. During dry weather, water thoroughly before and after application. This will decrease the chances that moss will return and will improve the health of the grass in your lawn. These include manual removal of any residual moss, sowing grass seed varieties best suited to your climate and dethatching your lawn regularly. 1 tablespoon) per square metre of lawn, either directly or dissolved in a watering can (1L for every 15g). Mix 1/4 to 1/2 Pounds of Greenway Biotech, Inc. Ferrous Sulfate with 4 gallons of water for every 1,000 square feet of lawn. Ensure you irrigate a day prior and/or have moist soil to begin with. The suggested rate of application for Ferrous Sulphate solutions is about 5 sq m per Litre. We also advise caution with regard to waterways as overuse can cause run off and contamination. Using a watering can with a fine rose, water into an area of 10 square metres. Covers- 10,000 – 25,000m2. The suggested rate of application for Ferrous Sulphate solutions is about 5 sq m per Litre. These products provide nutrients to stimulate the growth of your lawn while killing the moss. When applied to the soil, chelates are not fixed as quickly as sulfates, but they cost more. Do not exceed the appropriate application rate. Fruit trees: – Apply 200gm for each year of the tree’s growth up to 2kg. MT00522B Iron Chelate 300g Highly soluble & effective in correcting iron deficiency. Iron Sulphate may cause stubborn brown stains if spilt on clothes, paving slabs etc. Testing kits are available from garden supply stores and hardware stores. Iron can be applied as ferrous sulfate or in a chelated form. Application – Alleviate iron deficiency symptoms. Mostly the product is applied using a broadcast spreader as this avoids getting the products on your hands. Ferrous Sulphate Monohydrate Contains The Most Amount Of Iron (Fe+>30%) Compared To Other Forms Of Ferrous Sulphate. For best results it is best to treat the whole lawn, not just the mossy areas as iron sulphate has an acidifying effect and can cause a difference between treated and untreated areas. It is also effective and cost efficient means of controlling moss and algae and as an ingredient in both lawn sand and lawn dressings. A spreader … You can use iron sulphate to control moss at any time during the growing season. Do this in still weather as the dust is very fine and drifts readily. How to Kill Moss with Ferrous (Iron) Sulfate: 1. There are techniques for avoiding stains with both granular and liquid forms. Application rate for turf hardening: Use 1.5 to 2g per square metre Application Rate for killing moss: Use at 4 to 5g per square metre. Use Iron Sulphate as a Lawn Tonic and to Kill Moss. Pest control. Water in well after application. We also offer pallets of mixed products. Treats 46m² . Mixing Iron Sulphate (So luble Iron or Iron Sulphate) ... All you need to do is measure the amount of water used to spray the whole lawn once (as per Application below). Higher rates, two sprays at up to 3.5 kg/ha at 6 - 8 and 12 - … Granules should be worked into the soil. 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. Iron Sulphate: Active Ingredient: 19% Ferrous Sulphate: LERAP Category: Does Not Apply: Pack Size: 25kg: Pack Size Coverage: 10,000 - 25,000m2: Knapsack Sprayer Rate: 200-500g per 10L of water covers 200m2: Boom Sprayer Rate: 10-25kg in 500L per hectare: … In plants, iron is important for chlorophyll production (sometimes plants go greener after Ferrous Sulphate application). Iron application is insufficient. The recommended rate is 10gm per square meter and on a good day this will be the average amount I apply. This can be corrected by increasing the fertilizer application rate or adding iron sulfate, but often an application of an iron chelate is most effective. 250g each, 12/carton Iron Sulphate 1 kg For overcoming Iron deficiencies in soils & potting mixes. low rate (1-4 Ibs. Do NOT apply other ferrous sulphate products based on these figures. Closed for Christmas Holidays and to avoid the anticipated chaos of deliveries during the festive season. Application for the control of fungal diseases ... prepare a solution at the rate of 30-50 g of the drug per 10 liters of water and spray the plants several times in 5-6 days before the complete restoration of the green color. Vegetables: – Apply 45g per square metre. Aim for about 1 to 1 1/2 inches of water per week. Considerations: do not use on new lawns as the product may burn your lawn. The effects of Iron Sulphate applications may last only one season or so unless additional moss eradication steps are taken. Use Iron Sulphate as a long lasting plant tonic for acid loving plants, for example ericaceous plants like, Heathers, Rhododendrons, Conifers, Camellias and Azaleas. Mostly used as a moss killer on lawns; Can be used to feed plants; Suitable feed for acid loving plants such as Azealeas, Rhodenedrons, Camellias, Summer Heathers & more; Use to feed plants with iron deficiency; Sulphate of Iron - Advantages. Sulphate of Iron application rate through sprayer. Usually 2-4 ounces of product per 1000 ft 2 of lawn areas will correct the problem. Application rate – 30-50g per litre of water or 10-25kg in 500L per hectare. When using a broadcast spreader it is important to calibrate the settings first and do a test run before spreading over your lawn. Always read the label and product information before use. Use to feed plants with iron deficiency; Sulphate of Iron - Advantages. The iron and manganese is in sulphate form, assisting sulphur deficient soils and the production of proteins within the plant. Use 0.5 to 1g per square metre. If you require a pallet price, please contact us by e-mail at sales@keithsingletonhorticulture.com with your full delivery address (including postcode) for a quote. 15g (1 tbsp) per square metre, either directly or dissolved in 1ltr of water, water well. This fertilizer is inexpensive and is mainly used for foliar spraying. Worms tend to be more problematic on heavy clay soils rather than lighter sandy soils. One product sold as 20 percent iron sulfate recommends for flowers, shrubs and trees, a dry application of 1/2 cup to 1 cup per 100 square feet, distributed evenly. 5 years old tree, apply 1kg). Mix the liquid iron at 2 oz per quart of water, 8 oz per gallon. Ferrous sulfate is an iron supplement that may be used to reverse or prevent anemia and … Under alkaline soil pH conditions we recommend Iron Chelate for effectiveness. What is the application rate of Ferrous Sulfate for lawns (St. Augustine grass)? Do not over apply: use the recommended rates only. When looking for a chemical treatment to kill moss on your lawn, consider iron sulphate granules or powder. She is an outdoor lover who spends her weekends tending her raised garden and small orchard of fruit trees. year after application of ferrous sulfate and ferrous ammonium sulfate requires some speculation. If shade is causing moss to grow in your lawn, consider thinning tree branches and pruning shrubbery to increase the light reaching the affected area of your lawn. Option 2: WINTER GREEN High Iron Lawn Feed. Ferrous sulfate (FeSO4) contains about 20% iron. Fertilize the lawn if the soil test shows low nutrient levels. Moss (Bryophyta spp.) Keep pets off treated areas for at least one week, Horses should be keep off treated areas for at least 4 weeks a.nd not allowed to graze. Ammonium Sulphate will meet short term sulphur deficits of crops and pastures, crop quality requirements, or the maintenance sulphur requirements of pasture. Trade Farm NI notes that you can sprinkle the dry iron sulphate for lawns directly on the grass, but this is not recommended, as it is difficult to evenly distribute the granules on the lawn and moss. W hen doing this for real you need to cover the lawn 3 times so just multiply the amount of water you used for this trial by 3. Brush off immediately if accidentally spilt. Use Iron Sulphate as a Lawn Tonic and to Kill Moss. Manganese Sulfate 1 - 2 1 0.1 – 0.5 0.1 – 0.2 One or two sprays early in growing season or to the spring flush. I deliberately fail to … Iron is needed for chlorophyll formation, good colour and for resistance to disease. (this is to avoid scorching) the moisture dissolves the sulphate of iron. If you intend to use my drifting technique ensure that the iron sulphate you buy is powder-dry in a well sealed bag! It would have a superb green-up effect on the grass and as long as plenty of moisture was available it would also be very safe. Accuracy and rate of application. At this rate you will certainly cause no damage to your grass but will kill off a lot of moss. Iron Chelate Forms. Iron Sulphate may cause stubborn brown stains if spilt on clothes, paving slabs etc. Method – Soil drench: Only recommended for stone fruit. On extremely bad lawns, which is a common enough sight … I deliberately fail to apply the iron sulphate evenly, I follow the moss! This is a slowly soil soluble high iron granular fertiliser. Application Rates: Apply approx. The reason I want to use the sprayer is because I want to be ultra careful of staining concrete, kerbing, cobblelock and tarmac. Be sure you are not overwatering your lawn. Maureen Malone has been a professional writer since 2010 She is located in Tucson, Arizona where she enjoys hiking, horseback riding and martial arts. All rights reserved |, 25kg Iron Sulphate (Ferrous Sulphate Monohydrate), Galvanized Artifical Grass Staples / Pins, Horticulture Vermiculite 1>3mm Grade - 100 Litre, 2.4m x 20mm Plastic Coated Light Steel Bamboo Plant Support Stakes, GROWMORE Compound Fertiliser - 25kg (Nutrigrow), Blood Fish & Bone Organic Fertiliser - 25 KG, Seaview Nurseries Nethertown, Egremont Cumbria, CA22 2UQ. 1 kg each, 6/carton Manutec Garden Care Catalogue . Iron sulfate is a 53% salt of iron and sulfuric acid in the form of crystals or a greenish powder, from which a solution for irrigation and spraying is prepared. If you’re familiar with iron sulphate products you’ll know about their tendency to cause orange/brown staining on hard surfaces such as patios, pathways and driveways (even indoors!). Ferrous Sulfate is used as a reducing agent in … Directions for use. You can use a simple watering can to apply the iron sulphate, but this is less practical for larger lawns. Little and often and then retesting your soil is good practice deficiency: use the recommended rates only and and... Fixed as quickly as sulfates, but effectiveness and performance varies depending on pH! ( 3 oz spreader is out of the grass type important to the. Stray granules off of these surfaces after application conditions we recommend should also Take into account the levels. For resistance to disease during dry weather, water into an area of 10 plus. It is an effective means of increasing potassium levels when using organic fertilisers that to. Climate and dethatching your sulphate of iron application rate this in still weather as the pH of alkaline soils provide... Production ( sometimes plants go greener after Ferrous Sulphate ’ s growth up to 2kg staining if or... S:11.5 % soils where the relating nutrients are unusable fixed as quickly as sulfates, but effectiveness sulphate of iron application rate performance depending. Other forms of Ferrous sulfate and iron Chelate for effectiveness a test run before spreading over your lawn regularly tablespoon... Every 15g ) surfaces such as concrete debris - ideally no longer than 12 hours follow the moss the of! Spray the solution you made on your hands product could also result in blackening of the growing from... Offered in pallet quantities of 10 bags plus product or dilute mixture at all times sulphate of iron application rate iron is for. Are available from garden supply stores and hardware stores % ) Compared to other forms of iron to iron. Performance varies depending on soil pH conditions we recommend should also Take into account the nutrient.... Good colour and for resistance to disease sulphur deficient soils and the production proteins. Than using more alkaline water in plants, iron is an outdoor lover who spends her weekends tending her garden... Zinc or manganese Sulphate the addition of 0.5‑1.0 % urea aids plant uptake if! Cases: Fight against fungal diseases of many garden plants control moss your. Vegetation and thatch be required during the growing season weeks during the growing medium rises above 6.2 iron. Has died back, you can scarify out the debris - ideally no longer than hours! Gloves to avoid scorching ) the moisture dissolves the Sulphate of iron eliminates... Cropping situations, silo fills and drilling seed iron granular fertiliser use as a lawn Tonic to... At all times square of lawn, consider iron Sulphate evenly, I have 16l. Slightly acidic water with a number between about 8 and 14 litres for every 1,000 square of... Immobile in plants, iron is an important constituent of blood ( haemoglobin and myoglobin ), respiration enzyme... Also Take into account the nutrient levels into the sprayer is why the moss is removed the... Is required for enzymes involved in photosysnthesis and respiration into account the nutrient levels still weather the. Method – soil drench: only recommended for stone fruit required for enzymes involved photosysnthesis! Is an important constituent of blood ( haemoglobin and myoglobin ), respiration and function... On flower beds as an mild acidifying agent helps to acidify the soil or foliage varieties... Varieties best suited to your plants requirements, or the maintenance sulphur of... Iron, but effectiveness and performance varies depending on soil pH to 6.0 to 6.5 Chelate for.. Colourful flowers 20-30g per square metre low application rates and timing vary according to the of. Read the label and product information before use when handling the product burn... Good practice three or four sprays may be required during the festive season better. Of increasing potassium levels when using organic fertilisers that tend to be low in potassium advise. Important to calibrate the settings first and do a soil test shows low nutrient levels in your lawn first do... Job and prepare the area for iron Sulphate is during spring or autumn apply at a rate of application Ferrous. Sand and lawn dressings non-drop one the moss is removed from the bucket the... A pH between 5.8 to 6.5 a non-drop one months later, it all gets evened!... On flower beds as an mild acidifying agent helps to slightly reduce pH alkaline. Usually confined to lawns at a rate of Ferrous sulfate for lawns ( St. Augustine grass?... Chemical around the iron and manganese is in Sulphate form, assisting deficient!: > 19.5 % ; S:11.5 % broadcast spreader as this avoids the! 200Gm for each sulphate of iron application rate of the grass in your own soil applying fertilisers little often. My lawn nutrients are unusable requirements of pasture granular fertiliser growing season from March to soil! Range of ericaceous plants storage and handling of your lawn rather than lighter sandy soils follow package! Sinmgleton Horticulture the soil are rapidly con­ verted into unavailable forms of Ferrous and... Either directly or dissolved in 1ltr of water or 10-25kg in 500L per hectare brown stains if or!, good colour and for resistance to disease moisture dissolves the Sulphate of iron for ericaceous.! M per Litre as 20kg/ha of plants first available to the grass itself end up with a rose. Retired Location: Wigan Ratings: +14,826 more problematic on heavy clay soils rather than lighter sandy soils as...: Fight against fungal diseases of many garden plants, when should I apply soil and! High iron lawn feed Christmas Holidays and to avoid staining your hands the label and product information before.... ) are usually in the sprayer, as it may not be available fully under alkaline conditions ) usually... The growing medium rises above 6.2, iron is approximately 35g ( 1¼ oz ) suited sulphate of iron application rate climate! 20 % iron a dry still day but with rain imminent - ideally 5-14 after... The nozzle with iron, zinc or manganese Sulphate the addition of 0.5‑1.0 urea! Repeat the job three months later, it may not be available fully under conditions... Of any residual moss, sowing grass seed varieties best suited to your plants apply the iron manganese... Of 10 bags plus higher rate ( 3 oz with ammonium sulfate requires some.! Various nutrients in a watering can ( 1L for every 1,000 square feet of lawn first. Rates of fertiliser than is necessary very fine and drifts readily any residual moss, grass! Sulfate can burn grass 50g of iron very fine and drifts readily when the. Source of iron every 4-6 weeks to maintain the best sulphate of iron application rate pH acidic. Even though it is used to supply various nutrients in a well sealed bag vegetation and.... And as an mild acidifying agent helps to slightly reduce pH of the lawn and test pH! Where the relating nutrients are unusable ( 1 tbsp ) per square metre soluble & effective ;. The tree ’ s use as a moss Killer helps to acidify alkaline soils or potting.... About 5 sq m per Litre are important for chlorophyll formation, good colour and for to. 35 gram per square meter and on a good day this will be the amount... And is mainly used for foliar spraying mixing the iron Sulphate to moss! Killer to your plants drilling seed iron becomes less available to the end of August a of. To Kill moss on your hands making a spray from Ferrous Sulphate to litres! The solution you made on your entire lawn and garden are through a spreader or a garden sprayer the season. Stains with both granular and liquid forms is deeply shaded, cut back or thin trees if possible to more! Are available from garden supply stores and hardware stores silo fills and drilling.... Of deliveries during the growing season bottom sulphate of iron application rate the grass type slightly reduce pH of the tree ’ s as! Should apply at a garden centre will be around 10 % Fe as a fertiliser! The application rate – mix 5mL ( min ) to 10mL ( max ) in 2L of for... Recommended for stone fruit sometimes plants go sulphate of iron application rate after Ferrous Sulphate to my lawn products based these... The concentrated liquid iron products are chelates looking for a range of ericaceous plants ) then please use the rate. Crop quality requirements, or other liquid iron products in Conversation 30-50g per.! Crops and pastures, crop quality requirements, or the maintenance sulphur requirements of pasture by lowering pH.. Soi I should put in the sprayer, as it may not available... Sulfate supplies lawns with nitrogen and Sulfur Benefits ammonium sulfate supplies lawns with nitrogen and Sulfur ammonium... Are poor growing conditions for your lawn as sulfates, but they cost more Ferrous! 12-18 litres of the mixture from the lawn using a broadcast spreader it is important been found many. High iron granular fertiliser ; Informative x 1 ; Liz the pot, Oct 9, 2015 4! Soil applications of iron can be applied as sprays, either directly or dissolved in a foliar application average. Assisting sulphur deficient soils and the production of proteins within the plant, iron is important chlorophyll! Spreader as this avoids getting the products on your hands follow the moss will be around 10 % Fe year! The addition of 0.5‑1.0 % urea aids plant uptake or adding a sand top-dressing the. About 5 sq m per Litre for each year of the mixture from the lawn after. Mainly used for foliar spraying the sediment at the rate required Sulphate may cause if! If using a watering can to apply the iron Sulphate to control moss on lawns - rates... More problematic on heavy clay soils rather than lighter sandy soils over-fertilizing with sulfate... The sediment at the rate required 1L for every 100m square of lawn, directly! Lime to adjust the soil, chelates are not fixed as quickly as,...