Ca-Mg fertilizer can supply plant the calcium t the soil acidity, best reduce or eliminate the harm to soil and plant coming from Fe Al Mn, prevent "manganese poisoing"nomenon.
The content o fmagnesiu oxide and calcium oxide can be customized according to your requirements.
for example:
Appearance: gray granular
MgO: 13%min
CaO: 19%min
Size:2-5mm
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