After the spring corn is planted, the herbicide is selected before the emergence of the seedlings, and the 50% acetochlor 150 ml plus 50% chlorpyrifos 100 g (or 40% scented milk 250 ml) is sprayed on the water 50 kg, and the new high-fat film is sprayed. 800 times liquid improves the utilization rate of active ingredients of the medicament,
Consolidate the control effect; combine the above two methods in the spring maize seedling stage, as long as the spray cloth is even and timely, it can control the weeds in the whole growth period of the corn.
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