Ferrous Sulfate Monohydrate is a mineral additive in animal feed, as a blood tonic substance to livestock, it can stimulate the growth of animal's body. It can also be used to make pigment such as red ferric oxide, etc. Granular product is one popular fertilizer which is used to improve the quality of soils and remove the moss. It can also be used as pesticide to cure wheat, fruit such as apple trees, pear trees, etc.