#$%^&*AU2013270523B220171019.pdf#####ABSTRACT The present invention relates to a method of controlling weeds in a crop f ields, land under perennial crops, or a non- crop land, the method comprising applying an effective amount of crystal of flumioxazin which is one or more selected from the group consisting of 1'l crystal, 2"d crystal, 3 rd crystal, 4 'h crystal, 5 th crystal, 6 th crystal and 7 th crystal, each of the crystals showing a powder X-Ray diffraction pattern which has diffraction peaks with 29 values (0) shown in the corresponding right column of Table, Table 20 value() 1t crystal 7.5+0.1, 11.9+0.1, 15.3±0.1 2 nd crystal 8.7+0.1, 9.4±0.1, 14.7+0.1, 18.8 +0.1 36t crystal 7.7+0.1, 10.9±0.1, 13.5 0.1, 14.6+0.1, 15.0+0.1 4trh crystal 7 . 7+0.1, 10.710 . 1, 13.4+0 . 1, 14.3+0.1, 14.8+0.1 5tuh crystal 5.5±0.1, 10.3+0.1, 10.9+0.1, 13.2+0.1 6 th crystal 7,.7+0 .1, 8 . 6+0.1, 11. O0 .,1, 13.2±0.1, 14.7+0.1, 15.1+0 .1, 7th crystal 14.5±0.1, 18.7+0.1 to soil where the weeds are grown or to be grown, or weeds. According to the present invention, a wide range of weeds can be controlled in a crop field, land under perennial crops, or a non-crop land.
