The following methods can be used to prevent and control the insect pests of wheat fields and early spring crops.
1. For every 667 square meters, use 40% of methyl iso-isocyanate or 50% of 1605 and 50% of ammonium phosphate 25 ml to 250 ml of water, mix wheat bran 1.5 to 2.5 kg, and throw it into Miaotian in the evening. Prevention and control.
2. Each 667 square meters of 5% of the 1605 granules of 1.5 to 2.5 kg of 20 to 25 kg of fine sand into the seedling fields, and immediately carry out hoeing and watering, can control wireworm and cockroaches.
3. 50% phoxim or 667 mg/m2 of 1605 water plus 200-300 kg of water can be applied to the nearby seedlings to prevent and control golden needles and cockroaches.
1. For every 667 square meters, use 40% of methyl iso-isocyanate or 50% of 1605 and 50% of ammonium phosphate 25 ml to 250 ml of water, mix wheat bran 1.5 to 2.5 kg, and throw it into Miaotian in the evening. Prevention and control.
2. Each 667 square meters of 5% of the 1605 granules of 1.5 to 2.5 kg of 20 to 25 kg of fine sand into the seedling fields, and immediately carry out hoeing and watering, can control wireworm and cockroaches.
3. 50% phoxim or 667 mg/m2 of 1605 water plus 200-300 kg of water can be applied to the nearby seedlings to prevent and control golden needles and cockroaches.