Mycorrhizal Inoculant Calculator

Calculate mycorrhizal inoculant dosing rates, costs, and expected colonization effectiveness based on soil conditions and application method.

Application method (1-3)

Field size (acres)

Row spacing (inches)

Inoculant cost ($/lb)

Soil phosphorus (ppm)

Tillage system (1-3)

Tab to move between fields

Application rate (lbs/acre)

3.6

Total inoculant needed (lbs)18

Total cost ($)$450

Cost per acre ($)$90

Colonization potential (%)80

P uptake improvement (%)35

Net cost after P savings ($/acre)$83

How to Use This Calculator

Enter Application method (1-3), Field size (acres), and Row spacing (inches).
Set Inoculant cost ($/lb), Soil phosphorus (ppm), and Tillage system (1-3).
Review the Application rate (lbs/acre) result.
Use Total inoculant needed (lbs) and Total cost ($) ($) to inform your decision.

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