Pest Forecast Calculator

Predict pest population growth using exponential and logistic models to forecast emergence timing and treatment windows.

Initial population (N₀)

Intrinsic growth rate (r per day)

Forecast period (days)

Carrying capacity (K)

Treatment threshold

Tab to move between fields

Projected population (exponential)

408

Projected population (logistic)

394

Doubling time (days)4.62

Days to treatment threshold15.35

Daily growth multiplier1.16

Net reproductive rate (R₀)8.17

How to Use This Calculator

Enter Initial population (N₀), Intrinsic growth rate (r per day), and Forecast period (days).
Set Carrying capacity (K) and Treatment threshold.
Review Projected population (exponential) and Projected population (logistic).
Use Doubling time (days) and Days to treatment threshold to inform your decision.

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