One of the most important uses of glyphosate is to select the best period of use. Glyphosate is a type of herbicide that is transported by absorption. Therefore, when weeds are used for the most vigorous growth of weeds, they should be pre-flowered. General grass weeds are more sensitive to glyphosate and can be killed by low-dose liquids, while increasing the concentration of broad-leaved weeds; high-concentrations are required for some weeds that reproduce perennial rhizomes. The weeds have a large leaf age and increased resistance to drugs, and the corresponding dosage should also be increased.
The second is to pay attention to environmental conditions. In the 24-25°C range, the absorption of glyphosate by weeds doubles as the temperature rises, so the high temperature of the atmosphere is better than when the temperature is low. High relative air humidity can prolong the wetting time of the liquid on the surface of the plant, which is conducive to the conduction of drugs. Low soil moisture content is not conducive to plant metabolism, and thus is not conducive to drug conduction in weeds, so the efficacy is also reduced.
Once again, some herbicides such as metformin, paraquat, and other fast-acting herbicides cannot be mixed with glyphosate, so as to avoid premature death of some parts of the weeds and loss of the systemic absorption function of glyphosate. Effect of glyphosate on killing rhizomes of underground weeds. However, adding some plant growth regulators and adjuvants (silicone) to glyphosate can increase the effectiveness of control.
The fourth is to choose the best method of application. The use of glyphosate to control weeds is critical because the concentration of the glyphosate in a certain concentration range is higher, and the finer the droplets of the sprayer are, which is beneficial to the absorption of weeds. The greater the amount of the same amount, the better the herbicidal effect.
Glyphosate is a non-productive herbicide that can pose a safety hazard to crops if used improperly. Pay attention to direct spray and do not spray on other crops. Glyphosate needs to be degraded for some time. It is safer to transplant the crop after about 10 days.
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