For the underground pests of cockroaches, cockroaches and golden worms, which are harmful to wheat field and early spring crops, the following methods can be used for prevention and control.
1. For every 667 square meters, use 40% methyl isoflavin or 50% 1605 and 50% methylammonium phosphate 25 ml to 250 ml of water, mix wheat bran 1.5 to 2.5 kg, and sprinkle it into the seedlings in the evening. Prevent cockroaches.
2. Between 667 square meters of 5% of 1605 granules of 1.5 to 2.5 kilograms, 20 to 25 kilograms of fine sand is sprinkled into the seedlings, and immediately simmered and watered to control golden worms and mites.
3, 50% phoxim per 667 square meters or 150 ml of methyl 1605 plus 200-300 kg of water can be applied to the vicinity of the damaged seedlings to control the golden worm and cockroach.
1. For every 667 square meters, use 40% methyl isoflavin or 50% 1605 and 50% methylammonium phosphate 25 ml to 250 ml of water, mix wheat bran 1.5 to 2.5 kg, and sprinkle it into the seedlings in the evening. Prevent cockroaches.
2. Between 667 square meters of 5% of 1605 granules of 1.5 to 2.5 kilograms, 20 to 25 kilograms of fine sand is sprinkled into the seedlings, and immediately simmered and watered to control golden worms and mites.
3, 50% phoxim per 667 square meters or 150 ml of methyl 1605 plus 200-300 kg of water can be applied to the vicinity of the damaged seedlings to control the golden worm and cockroach.
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