1、 The best time to control Grubs

The best time to control grubs is around the middle and early ten days of July every year. This time period is when its adults are in full bloom. Generally, it can start from the middle of June. The specific occurrence is related to the temperature and humidity of the soil. Usually, the activity is most active when the soil temperature reaches 13-18 degrees, and the activity will be strengthened when the soil humidity is high

2、 What medicine is good for killing grubs

1. When killing grubs, 50% phoxim emulsifiable concentrate can be used. Specifically, add 10 times of water to spray on the soil, mix the soil with this agent, and then apply the poisonous soil to the ridge and ditch, so as to poison the grubs. Or use 3% bayudan granules and 3% methylisosalifos granules

2. In addition to mixing soil with drugs, it can also be used for seed dressing. The specific drugs selected are 50% parathion, 50% phoxim, and the proportion of water and seeds is 1:30:400. In this way, damage can be avoided after planting, and some other pests can also be treated

3、 Other prevention and control methods

In addition to drug control, agricultural control methods can also be used. During the period of crop management, do not apply organic fertilizer without decay, and suppress the soil in time. In areas where this pest occurs seriously, the overwintering larvae are turned over to the surface to dry in autumn and winter, frozen to death or killed by natural enemies. In addition, physical prevention and control methods can be used, and black light lamps can be set to trap and kill to reduce the number of cases