“…In the fleld experiment: simazine = diuron > trifluralin = atrazine > fluometuron > prometryne. These results are generally comparable with other results obtained under similar conditions (Hill et al, 1955;Fischer, 1962;Sheets, Crafts & Drever, 1962;Burnside, Fenster & Wicks, 1963;Drescher, 1964;Horowitz, 1964;Talbert & Fletchall, 1964;Arle, Miller & Sheets, 1965;Harris & Sheets, 1965;Hocombe et al, 1966;McCormick & Hiltbold, 1966;Schweizer & Holstun, 1966;Bryant & Andrews, 1967;Currey & Cole, 1967).…”