Chlorpyrifos granules are a commonly used insecticide . Compared with conventional pesticides, they are less toxic and relatively safe. What are the effects of chlorpyrifos? What is the use method?
The method of chlorpyrifos is divided into the following three cases in terms of physical operation:
First, spray. Dilute with water after 48% chlorpyrifos EC and spray.
1 Use 800-1000 times liquid to control larvae of Liriomyza sativae, Liriomyza sativae, pea leaf miner, and Liriomyza.
2 Use 1000 times liquid to control larvae of cabbage caterpillars, larvae of Spodoptera litura, larvae of larvae, melons and larvae and aquatic vegetable aphids.
3 Using 1500 times liquid to control the larvae of the larvae of the larvae, the larvae of the yellow spotted larvae.
Second, the roots. Dilute with water after 48% chlorpyrifos EC and root.
1 In the early stage of spawning, use 2000 times liquid light to control cockroaches, 500 liters per acre.
2 In the first half of April, when garlic is filled with the first water or the second water, 250-375 ml of emulsifiable concentrate per acre is used, and the roots are controlled with water.
3 Using 2000 times liquid, pour the roots of the plants to prevent cockroaches, and use 250-300 liters of liquid per acre.
Third, soil treatment. Use 3% chlorpyrifos granules per acre 2-4 kg, before or after planting, ditch application, acupoint application or spreading, to prevent cockroaches, cockroaches, and tigers.
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