SoilSense — Low-cost Soil Health Card Generator using Spectrometry

SoilSense pairs a ₹1,200 portable spectrometer with a mobile app to generate soil health cards in 90 seconds — vs. 3 weeks through the government lab. Results are calibrated against 10,000 lab-verified soil samples from ICAR. Designed for Krishi Vigyan Kendra volunteers to test 20 soil samples per day in the field.