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 crop value.

Several competition thresholds, viz., period threshold, quantity threshold, damage threshold, economic threshold, action threshold, ecological threshold (Coble and Mortensen 1992, Das 2008) have been …

Thus to determine the important economic factors I shall firstly scan through the models available, outline what the farmer needs or wants, then re-turn to the factors of influence.

for years to come. As small numbers of weed survivors are often sufficient to increase the weed seedbank, few surviving wee s can be tolerated. As a result, the use of economic thresholds of weed …

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

impact of weeds in Australia: summary Perspective New economic research undertaken by the Weeds CRC through the University of New England has established that weeds cost Australia $3.9 billion pe.

Economic analyses of invasive weed management will require models of weed biology, data on distribution of undesirable plants, and consid- eration of trade-offs among economic and …