After the herbicide, it rained the next day.

If there is a light rain the next day and the time is short, there is no need to use the herbicide again; if it is heavy or torrential rain but the time is short, you need to observe for a few days; if it continues to rain, consider using the herbicide a second time.

Precautions for the use of herbicides:

1. Herbicide dose can not be increased at will, some friends will think, high temperature application, more evaporation, to increase the dose, this is wrong, in the best suitable period for weeds, according to the instructions for use.

two。 Herbicide is recommended to be diluted twice, first mixed well in a small container, and then inverted in a large container, whether it is a human back sprayer, medicine machine, or drone.

3. Under the premise of a fixed dose of herbicides per unit area, the more water, the better, to break through the grass, so that the weeding effect can better achieve our goal.

4. If it is sunny and hot, it is recommended to hit the herbicide after 4: 00 p. M. in cloudy days, the evaporation of the liquid is not so fast after the herbicide is finished, but the temperature is still very high. It is also recommended to give medicine in the afternoon.

Therefore, when preparing to use herbicides or other chemicals, be sure to keep an eye on the weather forecast in advance to avoid using it before continuous rainy days, thus affecting the efficacy of the agents.