How to apply foliar fertilizer to Chinese cabbage
The most prominent characteristics of foliar fertilization are fertilizer saving and quick effect, which has a good effect on increasing yield, disease resistance and stress resistance of Chinese cabbage.
Foliar fertilization of Chinese cabbage is generally arranged in the rosette stage, sprayed every 7-10 days, a total of 3-4 times. In order to improve the effect of spraying, a small amount of washing powder can be added to the fertilizer liquid as an adhesive. In addition, it is best to choose a sunny day without wind, after 4 o'clock in the afternoon. The foliar fertilizers commonly used are: urea 100 times liquid, potassium dihydrogen phosphate 100 times solution, 0.2% borax + 0.2% urea, plant health antibiotic Jinbang 1 500 times liquid, and so on. Foliar fertilization can also be mixed with pesticides, such as 200 times urea and 700 times benzoammonium, which can improve the control effect of downy mildew. Pang Qiujuan
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