Patent of oxazolidine-ethyl EC

Look, it's gramineous weeds such as wheat fields. Spraying 60-80ml of 5% propargyl emulsifiable concentrate, 20-30g of 15% propargyl wettable powder, 30ml of 3% metsulfuron-methyl emulsifiable concentrate or 60-70ml of 6.9% propargyl emulsion in water before wheat jointing stage for control.