EDTA Mn 13% is used as trace elements in agriculture. EDTA Mn 13% is used as trace elements in agriculture.Agrich Mn 13 is crystalline water-soluble fertilizer for foliar and root application ,it is used for the prevention and cure of zinc deficiencies in most agricultural and horticultural crops ..Specification ItemsContent Appearanceyellow powderChelated Mn13.0% min PH(1% water soluble)6.0-7. ...