Ferrous sulphate heptahydrate used in adjust alkaline
2016-9-18 · Ferrous sulphate heptahydrate used in adjust alkaline soil PH. Alkaline soil is also called the calcareous soil, throughout the north and northwest semi-humid, semi-arid and arid areas. From these regional provinces to customers, Industry Grade ferrous sulfate heptahydrate mainly used in adjust soil PH. Calcareous soil containing calcium ...
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