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Product description: It is white irregular granular,the PH Value is neutral,which dissolves in water absolutely.It is new type of Nitrate Nitrogen Fertilizer,It can supply Calcium and Magnesium to plant quickly.And also be absorbed by the plant directly;improve photosyntyesis effect;adjust soil PH Value and improve the crop's absorbing of nitrogen,phosphors,and potassium in soil,also increased crop resistance.And it can effectively controlling,preventing Blossom-end rot(BER),a physical disorder common in tomato and pepper fruits,is related to calcium deficiency in the fruits;core rot of apple,blank-spot disease of pear,brown spot disease etc.