Applying series of fertilizers such as amino acids on smooth trunks more than 30 cm above the ground, and adding anti-canker drugs, can increase the resistance of the trees, reduce the incidence of yellowing, prevent kiwifruit from freezing in the winter, and kill the trunks. The overwintering eggs and pathogen spores in the cortex are applied once every 10 days for a total of three times.
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