Glyphosate is also called roundup.

The most important thing to use roundup weed killer is to choose the best period of administration. Glyphosate acid is a systemic and conductive herbicide, so it should be used when the weeds are growing at its strongest, and the best time to use it before flowering should be taken.

Related reading: 2, 4-D metsulfuron methyl or glyphosate: What’s the difference?

Frist

In general, gramineous weeds are more sensitive to glyphosate and can be killed by low-dose liquids. The concentration of broadleaf weeds should be increased when controlling broad-leaved weeds; a higher concentration is required for some vicious weeds propagated by perennial rhizomes As weeds grow older and have higher resistance, the corresponding dosage should also be increased.

The second

Pay attention to environmental conditions. In the range of 24~25℃, as the temperature increases, the absorption of glyphosate acid by weeds doubles, so the effect of medication is better when the atmospheric temperature is higher than when the temperature is lower.

The high relative humidity of the air can prolong the wetting time of the liquid medicine on the surface of the plant, which is beneficial to the conduction of the medicine. When the soil is dry and the water content is low, it is not conducive to the metabolism of plants, and therefore not conducive to the conduction of drugs in weeds, so the efficacy of the medicine is also reduced.

The third

Choose the best application method. The method of application of roundup weed killer is very important for the control of weeds, because the higher the concentration within a certain concentration range, the finer the sprayer droplets, which is beneficial to the absorption of weeds. In the case of the same concentration, the more the amount, the better the weeding effect.

Glyphosate acid is a kind of biocidal herbicide, if used improperly, it will bring safety hazards to crops. Pay attention to directional spraying and do not spray on other crops. Glyphosate needs a period of time to degrade, and it is safer to transplant crops about 10 days after cleaning the stubble.

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