10% BK mixture was used to control broad leaf weeds, and the effective rate was 91.7%. 25% Bntazone solution was used to control Cyperus weeds, and the effective rate was 91.7%.

• 阔叶杂草的防治用 10%25BK合剂防效达 91.；7%25；莎草科杂草的防治用 2 5%25苯达松水剂；防效达 91