Fertilization method for protected vegetable fertilization
There are two kinds of fertilization methods for the fertilization of vegetable in the protected area: sublime ditch and fertilization.
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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