Problems in the use of chemical herbicides in corn fields

1, a reasonable grasp of the time of application, corn sowing to the pre-emergence of the drug seal. Pay attention to the weather forecast and master the spraying before the rain. The weeding effect is best.
2, a reasonable grasp of the dose, the concentration of the drug can not be large, can not be small, according to the instructions for use to determine a reasonable dose.
3, should be applied in the third grade of wind, to avoid application of windy weather, to prevent drift caused by phytotoxicity.
4. If you use a tractor to apply medicine, the driving speed should not be too fast, and it is better to drive at a constant speed.
5, can not be re-sprayed when spraying, can not leak, so that the spray is even and appropriate.
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Macrolides Antibiotics Raw Material

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