IRON SULPHATE HEPTAHYDRATE. Iron (II) sulphate heptahydrate is a fertilizer that simultaneously eliminates moss in grass. Iron sulphate is regularly used to prevent plant diseases. Iron sulphate can be sprinkled in the amount of 2-4 kg per 100 m2, as spray 200-400 g per 5-8 l of water, for watering 50-200 g per 10 l of water, about 10 m2.
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