Nov 15, 2025 · The foundation of economic threshold weed control farming rests on three critical factors: weed density per square foot, expected yield loss percentage, and control cost versus …

Jun 12, 2025 · By understanding economic thresholds and applying threshold concepts in weed management, farmers and agronomists can optimize crop yields, reduce unnecessary …

An effective decision model should take economics as well as biological factors into account, viz. nature of weed populations existing in the field, expected crop yield loss due to weed …

Apr 7, 2021 · The economic threshold (ET) is one of the major decision-making frameworks for rationalizing herbicides use for better weed management while reducing environmental impacts.

The study found that $50 million is spent annually to control the eleven weeds in Group 1 and that the nine weeds in Group 2 threaten over one thousand special conservation areas.

From our perusal of the relevant literature (e.g. Cousens 1987, Doyle 1991, Norton and Mumford 1993), we conclude that there are four aspects that must be considered in relation to the use of …

Action threshold is the point at which some control action is initiated, and usually includes economic considerations along with other less tangible factors such as aesthetics, risk …