These thresholds come into play when a farmer is determining whether or not to apply additional weed control measures (and thereby, extra expenses) – weighing the benefits and the …

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 …

Jun 12, 2025 · Threshold concepts are critical in weed science as they help farmers and agronomists determine when weed control measures are necessary. The concept of …

Action thresholds may be defined as the weed population at which a grower decides to institute a control tactic, and may be above, below, or at the economic threshold level.

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 …

Nov 15, 2025 · Adopting economic threshold weed control farming practices typically reduces herbicide costs while maintaining profitability. University research demonstrates that threshold …

A weed control threshold is needed to help balance the pressures of spray efficacy and cost. The threshold must take into account the characteristics of the weeds, their density and the control …