1. Pay attention to the choice of the agent. The drug is soaked in a dilute of the drug. The agent used must be soluble in water. Can not be soaked with powder, because the powder is insoluble in water, the powder floats on the surface or sinks, the seeds are not evenly spread, and the effect of soaking and sterilizing is not achieved.
2. The concentration of the agent used for accurately immersing the pharmaceutical liquid is not calculated based on the weight of the seed, and is generally calculated according to the active ingredient content of the agent. The concentration of the soaking agent is generally related to the soaking time. When the concentration is low, the soaking time can be slightly longer. When the concentration is high, the soaking time should be shortened. If the concentration is not accurately grasped, it is easy to cause phytotoxicity or reduce the soaking effect.
3. Master the time of soaking seeds. There is a certain time requirement for soaking seeds. If the time is too long, it will cause phytotoxicity. If it is too short, it will not achieve the purpose of disinfection. The specific soaking time should be operated according to the instructions for use of the medicine.
4. Immersed seeds should be rinsed and aired. Seeds with poor tolerance to the drug should be rinsed with water as required to avoid phytotoxicity. If you do not specify the water wash after dipping, you do not need to wash it. Whether it needs or does not need to be washed, it should be spread out after dipping, but some can be directly sown after soaking, depending on the type of pesticide and soil moisture.
5, the liquid level should be higher than the seed in the soaking, the liquid should be higher than the seed 16 cm or more, so as to prevent the seed from swelling and exposing the liquid to reduce the soaking effect.
6. Stir the seeds thoroughly and put them into the liquid to be fully stirred to eliminate the bubbles in the liquid, so that the seeds are in full contact with the liquid and improve the soaking effect.
Huaxian County
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