First, spray boron to increase production with 0.15% borax solution or 0.1% boric acid solution, respectively, in the Chinese cabbage during the rosette period and the center of the foliage spraying, with 75 to 100 kg of fertilizer per acre, can increase production by 10% to 15%. Second, spray calcium chloride anti-burn heart 5 days before the Chinese cabbage harvest, with 0.7% calcium chloride solution foliar spray, and even spray 4 to 5 times, the control effect of more than 90%. 3. Anti-dropping, anti-dropping and anti-dropping measures: 3 to 15 days before the harvest of Chinese cabbage, spraying once with 40PPm of anti-dropping agent, spraying 75 to 100 kg per mu, which can effectively prevent Chinese cabbage from taking off during storage. , And can cure a variety of diseases during storage. Fourth, spray farm anti-751 anti-soft rot In the early stage of soft rot disease, per acre with 100PPm agricultural anti-751 solution 75 to 100 kg even spray twice, every 7 days and then spray 1 time, can effectively prevent the occurrence of soft rot .
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