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-In industry, it is used to make ferric salt, ink iron oxide
red and indigo-blue, as mordant, tanning, water
purification, preservative of wood and disinfectant etc.
-Used as making iron oxide red, granule material is good
fertilizer, which can effectively improve soil, remove
moss improve soil, remove moss and lichen. Used as
pesticide for prevention of pathological changes of wheat
and fruit tree. It is the catalyst making plant green and
important for plant absorption.
-Used as supplement iron which is necessary for poultry
growth.
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