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Iron sulphate. Spring fertilizer
Inorganic chemical compound, iron salt and sulfuric acid.
The hydrated iron (II) sulphate FeSO4 · 7H2O, formerly known as iron vitriol / iron or iron coffer, is a light green crystalline substance that melts at 64 ° C, transformed at 90 ° C into the monohydrate FeSO4 · H2O, which at 327 ° C releases water and passes to anhydrous iron sulphate.
Species: pure technical
Specification
Name: Iron sulphate (II)
Synonyms: iron (II) sulphate, iron (II) sulfate, ferrous sulfate, Iron (II) sulfate (former)
Species: Clean technical
Cleanliness: Clean
Chemical formula: FeSO4
Characteristic
Iron II sulfate heptahydrate (or ferrous sulphate) FeSO4 · 7H2O, causes mosses to die down. It is easy to recognize it in a blue-green color. It is a fertilizer that reduces soil pH, it is best used during intensive grass growth. Treatments need to be repeated every few weeks.
Application in combating moss
Iron (II) sulphate has a strong drying effect, which is disastrous for mosses. It is characterized by contact activity and causes browning and then blackening of mosses.
Iron sulphate eliminates moss from lawns and prevents it from occurring. It stimulates the immune system of plants, which prevents grass diseases. Used in the treatment of iron chlorosis, leaf yellowing due to iron deficiency.
The basis for proper control is the exact coverage of the mosses with the preparation and hence the formulations of this compound in the liquid form show greater efficiency. An extremely valuable advantage of iron sulphate is the activity already at the temperature of zero degrees C. This allows the application of the preparation in early spring, during the intensive development of mosses, even before the date of application of spring fertilization.
The ferrous sulphate has the form of a green-blue powder and nodules well soluble in water. If the concentration is too high, the grass becomes black and the effect disappears after a few days. Do not use if frost may occur, but it can be used already at 0 degrees Celsius. If necessary, the treatment can be repeated after about 3-4 weeks.
After 2-3 days from the use of iron sulphate, the change in color of moss to black will be a sign of effective elimination. Dead moss should be removed with garden rake, moss should not be composted.
Iron sulphate should only be used in areas covered with grass, where it is perfectly absorbed. Do not use on building surfaces such as roofs, sidewalks, terraces, concrete, concrete blocks, walls, garden figures etc. as iron sulphate leaves a dark (black or brown) coating difficult to remove (it can be removed with 5% oxalic acid solution) .
After application, avoid contact with the lawn for a period of about 7 days due to the risk of irritation or staining of other surfaces.
Caking the product is a completely normal process, reversible and does not reduce the properties of the substance.
Dosage
A 3% solution of iron sulphate in water should be prepared for lawn spraying.
So 300 g (1/3 kg) of iron sulphate are dissolved in 10 liters of water.
Product yield: About 1L of solution per 5m2 of lawn, ie for every 1m2 of lawn we need 200ml of a 3% solution of iron sulphate.
The maximum concentration for getting rid of moss should not be more than 5%.
The effect should be visible after 2-3 days after spraying.
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