The optimum period for the use of corn herbicides is after sowing or 3-4 days before emergence. In case of drought, increase the amount of water to be mixed. At least one hectare of land must be loaded with 1200-1500 pounds of water. The time of spraying in one day is early, late or rainy days. It is advisable to try to avoid spraying at noon or when the sun is strong. At the same time, it is necessary to strictly control the amount of drug can not be arbitrarily increased or decreased the amount of drugs, so as not to produce phytotoxicity or reduce the control effect.
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