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.
self corona test kit,corona kit test,corona self test kit,corona test home kit Yong Yue Medical Technology(Kunshan) Co.,Ltd , https://www.yonyuepcr.com
1. Select pesticides with strong systemic absorption. Such as dimethoate, omethoate, leaf dry spirit, rice bran, carbendazim, thiophanate, triadimefon, ethylphosphorus aluminum, nail cream, tricyclazole, fluconazole, etc., such pesticides are absorbed by the stems and leaves of crops After that, it can be quickly transmitted to various parts of the plant, and its efficacy is less affected by rainfall.
2. Use pesticides with strong knockdown force. Such as phoxim, dichlorvos, omethoate, anti-piroxime and pyrethroid pesticides. After the application of such pesticides, the prevention and control of pests and diseases can be quickly exerted, thereby avoiding or reducing the leaching of the medicament by rainwater.
3. Select pesticides that are resistant to rain. Pesticides such as trichlorfon, anti-carbocarb, quetiapine, chlorfenapyr, fenvalerate, green lactate, dexamethasone, and jinggangmycin have strong penetrability and anti-scour ability on the surface of crops. Suitable for application during the rainy season. In addition, the addition of an adhesive to the chemical solution can enhance the adhesion of the pesticide on the stems and leaves of the crop, and improve the control effect. Soy flour, polyvinyl alcohol, leather glue, etc. are commonly used adhesives.
4. Choose to apply without rain. It is rainy in summer, when applying pesticides, pay attention to the choice of no rain period, rain within 24 hours after application, re-spray once, and reduce the spray concentration properly when re-spraying.
Four choices for pesticides in the rainy season
The rainy season is often the season of pests and weeds such as field crops, fruit trees and vegetables. In order to ensure the control effect of pesticides on pests and diseases, the following four "selections" should be paid attention to when applying pesticides in the rainy season:
ã€Comment】 ã€Print this article】 ã€Close this page】 ã€Large, medium and small】