Apply 35g/sq. Sulphate of Iron applied every 4 - 6 weeks at a rate of 10g/m2 during periods of worm activity, can help reduce worm numbers thus reducing the number of worm casts. This is why the moss is removed from the lawn shortly after treatment. Be sure to wear gloves to avoid staining your hands. Three or four sprays may be required during the growing season. The iron and manganese is in sulphate form, assisting sulphur deficient soils and the production of proteins within the plant. Sulphate of Iron - Uses. Prepare the iron sulphate in a large bucket. Fruit trees: – Apply 200gm for each year of the tree’s growth up to 2kg. Worms tend to be more problematic on heavy clay soils rather than lighter sandy soils. Fe/acre). Applying fertilisers little and often and then retesting your soil is good practice. Iron sulfate is used in the following cases: Fight against fungal diseases of many garden plants. Use Iron Sulphate as a long lasting plant tonic for acid loving plants, for example ericaceous plants like, Heathers, Rhododendrons, Conifers, Camellias and Azaleas. 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. Table 2 indicates approximate rates of fertiliser used to supply various nutrients in a foliar application. 500g each, 6/carton. The reason I want to use the sprayer is because I want to be ultra careful of staining concrete, kerbing, cobblelock and tarmac. If you intend to use my drifting technique ensure that the iron sulphate you buy is powder-dry in a well sealed bag! 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. Do a soil test and based on the results, add lime to adjust the soil pH to 6.0 to 6.5. Iron is needed for chlorophyll formation, good colour and for resistance to disease. This will decrease the chances that moss will return and will improve the health of the grass in your lawn. Timing – Apply when symptoms appear. Use 0.5 to 1g per square metre. See Ferrous Sulphate Application for more details. Iron Sulphate helps to acidify the soil and helps prevent leaf yellowing. Covers- 10,000 – 25,000m2. Vegetables: – Apply 45g per square metre. Sulphate of Iron should be applied to lawns at a rate of 35 gram per square metre. Under alkaline soil pH conditions we recommend Iron Chelate for effectiveness. Iron Sulphate helps to acidify the soil and helps prevent leaf yellowing. Our recommendation is that you either invest in a soil testing kit or send a sample to a soil analyst service for advice before using fertilisers. Agree x 2; Informative x 1; Liz the pot, Oct 9, 2015 #4 Quote in Conversation. Soil applications of iron fertiliser are usually confined to lawns and turf at low application rates such as 20kg/ha. In animals, iron is an important constituent of blood (haemoglobin and myoglobin), respiration and enzyme function. Oregon State University Extension Service. Can you put too much iron on your lawn? Water in well after application. Ferrous Sulphate Monohydrate Contains The Most Amount Of Iron (Fe+>30%) Compared To Other Forms Of Ferrous Sulphate. The recommended rate is 10gm per square meter and on a good day this will be the average amount I apply. Ideal in high pH soils where the relating nutrients are unusable. Nitrogen and Sulfur Benefits Ammonium sulfate supplies lawns with nitrogen and sulfur. We would recommend using 2-3 Oz. It also allows you to assess the success of the first application and therefore decide on the application rate of a second application. 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