Ferrous sulphate 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. Granule material is good fertilizer, which can effectively improve soil , move moss and lichen. It also is used as pesticide for prevention of pathological changes of wheat and fruit tree. Meantime, it is the catalyst making plant green and important for plant absorption