With the large output of rural labor, manual weeding is eco-friendly, but it is labor-intensive and inefficient. Chemical weed control has become the main measure for rice weeding in the field. Although it is labor-saving, time-saving, and highly efficient, if it is not done properly, not only will it not achieve weed control. The effect can also cause phytotoxicity. Rice field weeding must achieve both the desired results and environmental protection and safety.
One must be shallow and shallow. Don't be uneven. When the pears are plucked, they must not be too large or low in order to avoid the dryness of the plots. In some deep water, the liquid penetrates into the low areas when spraying, and the concentration in the low areas is too large. , no effect on height.
Second, keep the water within 10 days after the application, do not dry water or water too deep. After the application of dry water, the herbicide cannot be effectively decomposed and diffused. When the water is too deep, the medicine will adhere to the loquat leaf in large quantities and cause burning of leaves.
Third, we must strictly use the prescribed amount of application, do not arbitrarily increase or decrease. At present, the new herbicides to be promoted are used in small amounts and have strong efficacy. They are lower than the stipulated dosage and have poor results. If they are higher than the prescribed dosage, they are prone to phytotoxicity and cause money to buy disasters.
Fourth, after the dew is dry, apply it. Do not use it to disperse it with dew. Herbicides used today do not have to be mixed with sand or fertilizers. They are directly applied, and the dew does not dry. They will be suspended in large amounts in the loquat leaves and cannot effectively fall into the fields. The herbicides will not achieve good weed control effects and may cause phytotoxicity.
Five to empty the medicine bottle or cassette away from the field, do not litter. The bottle or box after the medicine is used should be taken away and put into the garbage bin to be treated centrally. Do not throw it in the fields or trenches to reduce the hazard of organic chlorine and water pollution.
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