The same is the purchase of acetochlor, why other people's effect is good, but their effect is not obvious? This problem is plaguing farmers' friends, what is going on in the end? In fact, many external objective factors will also cause the grass The efficacy of the amine is reduced, let us know about it.
1, the temperature is low
Low temperature in early spring or low soil temperature, the application of acetochlor often affects the full effect of the drug, resulting in poor results of herbicidal effect. Not only acetochlor, but many herbicides are also affected by low temperatures to varying degrees.
2. Climate drought
The herbicidal effect of acetochlor is greatly affected by soil moisture. If it is rainy and dry after application, the effect is often not good. When applied. The amount of water can be appropriately increased to improve the efficacy.
3. Weed density is too large
Any herbicide. It is also difficult to achieve 100% control effect in large-area applications, and acetochlor is no exception. Even if it is up to ~1J90%, if the field weed density is too large, the remaining 10% weed will still cause some harm to the crop.
4, weeds are more complicated
Acetochlor is effective against many weeds, but it is not good for all weeds. Therefore, when there are many types of weeds in the field, some weeds that are not sensitive to acetochlor remain.
5, the quality of the spray is not good
Spray quality directly affects the efficacy of the drug. If the spraying is uneven, it will inevitably cause some ground leakage, and the control effect is difficult to guarantee.
6, the amount of medication is not allowed
To control weeds, it is necessary to accurately grasp the dosage of the agent. If the amount of medicine is insufficient, the control effect will not be achieved; on the contrary, if the dosage is too large, not only the pesticide is wasted, the cost is increased, but also the phytotoxicity is easily generated.
What are the factors affecting the herbicidal effect of acetochlor?
7, the soil is not fine
The application of herbicides requires stricter site preparation. If the soil is not fine, there are more soils, or the crop roots of the previous year are not cleaned, etc., which will inevitably affect the uniformity of the medicine on the ground, causing some weeds to be exposed to acetochlor after being unearthed, resulting in control effects. not good.
8. Applying in windy weather
In the case of windy weather during application, the drug mist is easily scraped away by the wind, causing the ground to leak or the amount of medicine is insufficient, and the control effect is not achieved.
9, the problem of the drug itself
The quality of the drug is an important factor affecting the efficacy of the drug. Some pesticides are stored for too long. It leads to the reduction or failure of the efficacy; some pesticides have insufficient active ingredients and they do not achieve the expected control effect. The existence of counterfeit and shoddy products should be given enough attention.
Today, the introduction of acetochlor knowledge is here. To get more knowledge about pesticides , please pay attention to China Pesticide Network.
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