Economic Threshold Calculator

Treat/no-treat from pest density and crop value.

Control cost ($/acre)

Crop price ($/unit)

Expected yield (units/acre)

Yield loss per pest (%)

Control efficacy (0-1)

Actual pest density

Tab to move between fields

Economic threshold (pests)

0.78

Treat? (1=Yes, 0=No)

Economic injury level1.05

Expected loss ($/acre)$90

Net benefit ($/acre)$64.5

Benefit-cost ratio6.38

How to Use This Calculator

Enter the pest species and crop type.
Set the current pest count per plant, row foot, or trap catch.
Input the commodity price and estimated yield loss per pest unit.
Review the economic threshold and whether current pest pressure exceeds the treatment trigger.
Only spray when pest pressure exceeds the economic threshold to preserve beneficial insects and reduce costs.

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