| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for weeding a wheat field. SOLUTION: Soil or weeds in a wheat field is treated with a herbicide composition comprising a 2-chloro-4-fluoro-5-(4-methyl-5-trifluoromethyl-3-pyridazinon-2- yl)phenoxyacetic ester derivative and one kind selected from 2,5-dibromo-4- hydroxybenzonitrile, 2,6-dibromo-cyanophenyl octanoate, 4-hydroxy-3,5- diiodobenzonitrile and 4-cyano-2,6-diiodophenyl octanoate as active ingredients.
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