Chinese cabbage "one increase three defenses" skills
First, spray boron to increase production. Use 0.15% borax solution or 0.1% boric acid solution to spray on the cabbage rosette stage and balsamic stage respectively. Use 75 to 100 kg of fertilizer solution per 667 square meters, which has a good effect of increasing production, generally every 667 square meters. Rice can increase production by 10% to 15%.
Second, spray calcium chloride anti-burn heart. Heartburn is a common physiological disease in Chinese cabbage production. In the first 5 days of Chinese cabbage harvest in late September, spraying with 0.7% calcium chloride solution, spraying 4 to 5 times continuously, the control effect is above 90%.
Third, spray anti-dropping off prevention. In the first 3 to 15 days before the Chinese cabbage harvest, spraying a concentration of 410-5 of the anti-dropping agent, spraying 75 to 100 kg per 667 square meters, can effectively prevent the Chinese cabbage off during the storage process, and Treating diseases during various storage periods.
Fourth, spray farm anti-751 prevention. Soft rot is a major disease of Chinese cabbage. At the beginning of the disease, the agricultural anti-751 solution with a concentration of 110-4 was sprayed twice and used 75-100 kg per 667m2. The interval was 7 days, which could effectively prevent the occurrence of soft rot, and the effect was above 90%. .
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