除草剂的轮用是指在同一地块上多种作物在不同生长季节使用不同作用靶标的除草剂。过去的十年中,在加拿大西部草原,人们通过除草剂的轮用来进行杂草抗性管理的情况越来越多。虽然农场主 Herbicide rounds refer to the use of herbicides that use different target crops for different crops in different growing seasons on the same plot. In the past ten years, there has been an increasing number of people in the western Canada’s grasslands who are using weeds for herbicide resistance management. Although farmer