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Phosphogypsum — CaSO4 2H2O
Is used to treat alkali soils with gypsum. Treatment with gypsum gives serious output yield increase due to soil structure improvement. Phosphogypsum is the source of Phosphorus, Sulphur and Calcium, digested by plants. It does not need special preparation, is used for main application under grains and maize once in 5 years. Can be mixed with other granulated or crystalline fertilizers.
