It is argued that difficulties associated with capturing much of this information would generally preclude such an ap-proach to determining action thresholds for environmental weeds. …

2021年4月7日 · The economic threshold (ET) is one of the major decision-making frameworks for rationalizing herbicides use for better weed management while reducing environmental impacts.

2020年12月26日 · The economic threshold (ET) is a crucial decision-making concept in weed management aimed at optimizing herbicide use while minimizing environmental impact. It …

Damage threshold is the term used to define the weed population at which a negative crop yield response is detected. An economic threshold is the weed population at which the cost of …

ABSTRACT The economic threshold (ET) is one of the major decision-making frameworks for rationalizing herbicides use for better weed management while reducing environmental …

Black, ID and Dyson, CB 1990, ‘An economic threshold model for spraying herbicides in cereals’, Weed Research, vol. 33, pp. 279-290. Charles, GW 1991, ‘A grower survey of weeds and …

The popularity of the competition threshold as a concept appears to result from the fact that experiments at low weed densit y will tend not 10 show any statistically significant differences …