Ca≥20%
Calcium is the second messenger of signal out of cell and physiological and biochemical reaction in cell, regulating the growth and development of plants.therefore,it is highly necessary to supplement the calcium.natural sugar alcohol chelates calcium is used in this product,which can instantly penetrate into leaves or pericarp with calcium ion after fertilizing,and which can be quickly transported to the parts of fruit inneed of calcium through xylem and phloem.with flexibility in calcium supplement.it can improve the absorptivity of calcium fertilizer.