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Description: Ferrous sulfate is a kind of feed grade mineral feed additive, which is used as supplementary blood medication to feed livestock, promoting livestock and marine animal's growth, strengthening their anti disease ability, The contained Iron still has the function of taking off the poison in cotton seed cake. The ferrous sulfate also can be used to make oxidized iron red etc pigment. Pellet products are very popular fertilizer abroad, which can improve soil effectively, clean moss and lichen, and also can be used as agrochemical to prevent wheat and fruit trees' pathological changes.