How to use pesticides in the greenhouse

Timely medication According to the law of pests and diseases, find out the weak links and use drugs in time. If the vegetables are sown or planted, the soil should be disinfected or mixed with pesticides. It is necessary to take early defense as the main control and spread it into disaster.
The right medicine According to the prevention and treatment of the right medicine, such as anti-caries or can only kill aphids and can not kill cabbage caterpillars. Trichostatin only kills rust and powdery mildew and cannot eliminate downy mildew.
Alternate medications Different types of pesticides can be rotated or mixed in a reasonable manner, which not only can prevent the resistance of pests and diseases, but also cure diseases and insect pests. It saves time and medicine and has high control effect, such as killing and mixing a net.
Seeing the use of drugs The greenhouse should not be used on cloudy and snowy days. It should be sprayed on sunny days when it is dry, and it should be properly ventilated to reduce the humidity of the air.
Change the way of medication Greenhouse medicine should use the smoke method and dust method as much as possible to reduce the humidity in the greenhouse. The smoke method is generally ignited with 10% or 40% chlorothalonil smoke Tablets. The dust method uses 10% chlorothalonil complex powder to spray the effect when the morning dew is not dry or the dew condensation is in the evening.
Safe use of drugs should strictly implement the standard dosage and concentration of pesticides safely. Do not use highly toxic and high-residue pesticides, such as 3911, methamidophos, etc., should use high-efficiency, low-toxicity, low-residue pesticides such as enemy killing, anti-Suiwei, Tianweishi or Biological pesticides, such as agricultural anti-120, streptomycin, etc., to prevent human and animal poisoning.

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