Pesticide soaking has a significant effect on the future pest control of seeds, but pesticide soaking must be scientific. The following six points must be noted:
First, pay attention to the choice of the dosage form of the selected agent 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.
Second, the concentration of the agent used for accurate soaking of 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.
Third, fully stir the seeds into the liquid to be fully stirred to eliminate the bubbles in the liquid, so that the seeds and the liquid fully contact, improve the soaking effect.
Fourth, the liquid surface should be higher than the seed in the soaking, the liquid surface should be higher than the seed 16 cm or more, so as to prevent the seed from swelling and exposing the liquid surface, reducing the effect.
5. Mastering the time of soaking seeds for a long time will cause phytotoxicity. If it is too short, it will not achieve the purpose of disinfection. The specific soaking time should be based on the instructions for use of the drug.
Sixth, it is necessary to pay attention to whether the soaked seeds need to be rinsed and aired. After the seeds have been poorly tolerated by the medicament, they 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 drying. However, some can also be directly sown after soaking, depending on the type of pesticide and soil moisture.
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