Precautions for pesticide soaking
2018-06-11 11:00:20
Seed soaking is the most commonly used technique in seed disinfecting treatment. The method is simple, the pesticide is saved, and the effect is obvious. However, some farmers do not operate properly, which not only has little effect but also produces phytotoxicity. The following points must be noted in this production: 1 . Pay attention to the dosage of the agent. The agent used for impregnation is a diluted solution of the agent. The agent used must be soluble in water because the insoluble form of the agent, the agent or floating on the surface of the water or sinking into the bottom of the water, will not adhere to the seed and will not achieve the sterilization effect of soaking. 2. Master concentration and soaking time. The concentration of the agent used for soaking is generally calculated according to the content of the active ingredient of the agent, and there is a certain time requirement. The specific soaking time should be operated according to the instructions for use of the drug. The concentration is too high or too low, the time is too long or too short, and the drug is prone to occur. Harm or reduce soaking effect. 3. Stir well and the liquid level is higher than the seeds. When the seeds are put into the liquid, they must be fully stirred so that the seed and the liquid can fully contact and improve the soaking effect. When the seeds are soaked, the liquid surface should be higher than the seeds so as to prevent the seeds from swelling and expose the liquid and affect the seed soaking effect. 4. Immersed seeds should be washed and cooled. Seeds with poor tolerance to pesticides should be rinsed with clean water as required after immersion to avoid phytotoxicity. If there is no specific description of immersion and water washing, no need to wash, no matter whether water is needed or not, immersed in dryness. Some of them can be directly sowed after soaking according to the requirements, depending on the type of pesticide and soil moisture.
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