1. It has good stability, can be mixed with a variety of pesticides and fertilizers, is easy to dissolve in water, and improves calcium supplement speed and utilization rate.<br>2. It can beautify the fruit surface, increase the storage time, improve the appearance quality, shelf life and taste of the fruit.<br>3. It can effectively prevent and correct the cracking, bad taste, bitter pox, water heart disease, blackheart disease, umbilical rot, leaf scorch and spot caused by calcium deficiency<br>Some physiological diseases, such as spot disease, dry heart disease, top burning disease, water immersion disease, root and leaf defect, fruit rot after flower, flower top rot, etc.<br>4. Chelating active polypeptide can enhance the immunity of crops, and improve the resistance of crops to diseases, drought, freezing, salt and sunburn<br>。 And it has certain insect repellent effect.<br>
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