Diluting herbicides with water

To dilute herbicides, it is usually determined by several factors:

The first is the physical and chemical properties of the medicament. If the original drug of Kaimifeng is insoluble in water, when the concentration of the spray is less than 2%, the active ingredient will crystallize, so the amount of water should not be too large, preferably 13-20 liters; and 2,4-D butyl ester It has strong volatility. Although it is a systemic herbicide for stem and leaf treatment, the water consumption should not be too low. If paraquat is more toxic, the water consumption is more conducive to improving the safety of humans and animals.

The second is the state of the environment. When the weather and soil are dry, the amount of water to be diluted when the herbicide is diluted should be appropriately increased.

The third is the characteristics of weeds. If the field is thin and the grass is small, the water consumption when diluting the herbicide can be less; on the contrary, the water consumption should be more, the liquid medicine can completely cover the weeds, and the pesticides are prevented from flowing and causing waste.

In addition, the amount of water to dilute the herbicide is closely related to its application method, application equipment, and the like. For example, high-efficiency grass cover can be applied with a knapsack sprayer, and the water consumption per acre is 20-30 liters. If a sprayer sprayer is used, the water consumption per acre is 7-14 liters. In addition, when the herbicide is used alone, the water consumption is low, and when mixed with the broad-leaf herbicide, the water consumption is high.

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