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Economic Threshold Weed Control Farming: Smart Decision Guide 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 crop value
Mastering Threshold Concepts in Weed Science 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 idea that there is a certain level of weed infestation beyond which crop yields are significantly impacted
Critical Period of Weed Control - UMass Amherst The Critical Period of Weed Control (point A to point B) is the timeframe within a crop growth cycle, during which weeds need to be controlled in order to maintain crop yields
5. 7 Critical Period of Weed Control – Principles of Weed Control Critical Period of Weed Control is a threshold commonly used, which is relative to time from planting date Researchers have identified at what point during the growing season weeds can inflict the most damage on a crop’s potential yield
Weed Thresholds: The Space Component and Considerations for . . . As an extension of weed threshold models in which crop losses are based on weed density, an altemative model for grass weeds in cereal crops is proposed that incorporates the theoretical importance of selection for herbicide resistance, initial weed population frequency, and weed seed dispersal
Weed Thresholds - dr. lib. iastate. edu One of the keys to successful implementation of this new system of weed control lies in the ability of growers to determine when weed populations exceed economic threshold levels, thus requiring treatment