The early spring is the best time to eliminate the grass, but recently many farmers have complained to Xiaobian that their herbicides do n't work. What can I do? What is the correct use of herbicides? Let's follow the small series. Understand it.
Soil sealer
After pouring the soil or after the rain, the soil moisture is good, apply the dosage according to the instructions, do not increase or decrease at will, spray evenly on the soil surface to form a drug film, and improve the herbicidal effect.
Post-emergence treatment agent
Try to apply the medicine after pouring the ground or after the rain. The weeds are in a growing state, the pores are open, which is beneficial to the absorption of the liquid; and the plants grow vigorously, and the liquid is quickly transmitted in the body. The effect of the drug is good and the herbicidal effect is good. When it is dry, it is necessary to increase the water consumption. The water consumption per mu is not less than 30 kg, evenly spray, wet and penetrate the weed stems and leaves to help absorb and conduct. It is best to use the herb in the 2-5 leaf stage of weeds. At this time, the grass age is small and the herbicidal effect is better. Surfactants such as silicone additives can be added to the chemical solution to increase the ductility of the leaves, promote the absorption of the liquid, and improve the herbicidal effect.
There are many factors affecting the efficacy of herbicides, such as climatic conditions, soil conditions and incorrect use methods, which may affect the efficacy of the drug, and farmers must pay attention!
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