This approach coordinates weed control practices with the life cycle of weeds, and emphasises the need to avoid any practices which may add viable weed seeds to the seedbank. Set an action threshold, a point at which pest/weed populations indicate that pest/weed control action must be taken a treatment is “justified” only if the benefits of control is greater than the cost of control This unit of competency describes the skills and knowledge required to plan and coordinate weed control activities using appropriate strategies to provide effective, economic control while minimising …

Recent australian research has shown that the greatest economic ben-efits in cereal crops are provided by man-agement actions that aim to minimize weed seed bank populations.