The principle of fertilization of cauliflower is: after the top dressing of the rosette, the fertilization is controlled, and the fertilization of the flower bulb is heavy.
Fertilization method: After the seedlings are applied, the fertilization of the leaves is 15 to 20 kg, and the multi-micro-fertilizer boron and molybdenum are sprayed. In the later stage of the seat, 20 kg of compound fertilizer was applied to the mu and the micro-fertilizer was sprayed on the foliar surface. The flower ball was inflated, and 20 kg of urea was applied to the mu and sprayed with micro-fertilizer.
Foliar fertilizer and top dressing were effective in the early stage, late stage and flower expansion stage.
After the infection of the new coronavirus, the human nose, throat, hypopharynx, etc. will be "concurrently carried out". By collecting samples such as sputum of the nose, throat, and throat for human virus detection and testing, it can be determined whether the new coronavirus is worn.
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