4 days ago · The plants are evaluated using the weed risk assessment (WRA) process. This three-tiered process includes a question-based system to calculate the possibility of the plant becoming a weed.

Jun 12, 2025 · Effective weed control is crucial to maintaining crop health, increasing yields, and ensuring food security. One of the key strategies in achieving successful weed control is …

Chemical control delays but does not prevent large-scale invasion. Enhancing crop competitiveness slows spread further, yet weeds eventually overcome pressure. Threshold-activated mechanical …

However, because most weed populations generate effects that carry over to following years, an eco-nomically-defined action threshold that deals solely with impact in the current sea-son is not suited to …

This publication is presented as a guide to assist users in planning their weed control in pastures, aquatic and bushland situations. Registration of a herbicide is not a recommendation from the NSW …

The many ways in which weed control thresholds can be defined are discussed. There is loose terminology and confusion in the literature; fallacious statistics have been used in the calculation of …

Nov 15, 2025 · What is the basic formula for calculating economic thresholds in weed control? When is the best time to scout fields for economic threshold assessments? How much can farmers typically …