Calcium Nitrate improves uptake of potassium, magnesium and calcium from soil as they're positively billed and fixed in soil. Damaging demand of nitrate releases them from soil and thus promotes their uptake as solution of calcium nitrate sprayed on leaves to roots also. Nitrogen is a significant aspect for photosynthesis https://emilioaundv.prublogger.com/29063083/new-step-by-step-map-for-calcium-ammonium-nitrate-fertilizer-composition