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 thresholds is based on the …

Regardless of the type, thresholds imply that weed effects are population dependent, and as such, allow some type of prediction to be made relative to the consequences of control decisions.

Economic threshold may be used to describe short-term effects of weed interference occurring in a single growing season, or multiple-season effects including some cost associated with seed …

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.

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 …

The threshold concept has received con-siderable attention in relation to the management of well-established weeds and other pests in agricultural systems, but its applicability to the management of …

The development of empirical models describing single and multi-species thresholds are reviewed and discussed in terms of the magnitude of weed threshold values in various crops and the importance …