Vegetables and other crops in greenhouses can use weeds to remove weeds if they have weeds, but if the dosage of herbicides is not grasped, it will cause phytotoxicity.
The dosage of the herbicide must be strictly controlled. The herbicidal effect of the herbicide is closely related to the temperature in the shed. If the temperature is high, the herbicide is more active in this environment, and the effect is heavier, which is very likely to cause phytotoxicity. Since the temperature in the greenhouse is significantly higher than the temperature in the natural state, sometimes the temperature inside the membrane will be high, and it is impossible to spray the herbicide according to the normal dosage. If it is used in normal dosage, it is very easy to cause phytotoxicity. Therefore, the application amount of the herbicide in the greenhouse should be appropriately reduced compared with the amount in the natural state in the same period, and it will have an effect on the crop.
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