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🌱 Fertiliser & Input Calculator – Application Workflow

🎭 Actors

Farmer: End-user accessing USSD/SMS services
System: USSD + Node.js back-end server
SMS Gateway: Sends SMS notifications
Database: Stores inputs, crops, recommendations, supplier data
Agro-dealer/Supplier: Verified vendors mapped by location
Admin: Backend user managing crops, recommendations, and supplier data

📲 Farmer Journey – Workflow Steps

Step 1: Dial USSD Code

📞 Farmer dials a short code like *123#

Step 2: Welcome Menu

-- System returns menu: Fertiliser Calculator

Seed Input Guide

Find Supplier Language