... .1-1mm 1.Characteristics: Magnesium sulfate, another name, sulfate bitter, bitter salt, epsomite, Epsom salt,molecular formula MgSO4·7H2O, ... composition for nucleic acid, transform for phosphate, etc. Magnesium sulfate is very important fertilizer for its rich nutrition. ... in time. (2)Feeding magnesium sulfate is considered as supplement for magnesium for feeding. Magnesium is necessary element for ...