Description: Quick supplement nitrogen, supplying calcium and boron directly,soluble instant and efficient, disease resistant, crack resistant, promotion flower fruit swelling, improve quality and increase production. Specification Nitrogen: â?¥15.5% Nitrate Nitrogen:â?¥14.5% Ammoniacal Nitrogen:â?¥1.0% Calcium Oxide:â?¥25 % Water-soluble Calcium: â?¥18% Boron:â?¥0.3% Appearance: Yellow Round Granular