Fertilizer Calculator

Formulation

Validation: BLOCKED
01

Crop & solution target

Required
02

Stock solution setup

Design basis
03

Feed-water analysis

Confirmation required

Enter the feed-water laboratory values in ppm, then confirm the complete analysis once.

04

Drain-water analysis

Confirmation required

When reuse is above 0%, enter the drain analysis and confirm the complete dataset once. The engine blends feed and drain concentrations before calculating nutrient gaps.

Blending ruleBlended concentration = feed water × (1 − reuse %) + drain water × reuse %
Deterministic and non-destructiveNo spreadsheet connection or workbook write.