Diseases and pests control, from the small summer to the summer heat, the high temperature, high humidity, easy to disease growth.
The prevention and control method is to use less nitrogen fertilizer, apply more plant ash, remove the yellow rot leaves from the base in time, and also use 1200-1500 times of carbendazim or methyl moxifine to spray 1-2 times, which can achieve prevention and control.
Insect pests mainly include giant salamanders, clams, aphids, and leafhoppers.
Prevention and control methods with 50% of yam pine ECG 20g water 40-50kg pouring water, or 25% insecticidal water repellent water 500-700 times pouring water, can also be used to destroy the sweep, 800 times trichlorfon spray to kill.
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