Ye Zhu et al.
Chemosphere, 49(6), 669-674 (2002-11-15)
Bromacil and hexazinone have been heavily used to control weeds in the pineapple fields in central Oahu, Hawaii, USA, since 1970s and 1980s, respectively. The last application prior to this study was at a rate of 0.6 kg active ingredient