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Listen to the Soil

CSEF · 2026 Environmental Engineering (Track 2) (Junior Division)

Veer Bajaj

Overview

This experiment tested low-cost capacitive soil sensors against a 24-hour timer cycle for watering pea plants over 2 weeks. Each system used drip irrigation with three pots (two plants per pot) and a 700 mL initial water supply. The sensor-based system produced a 105% greater final dry biomass and demonstrated 125% water efficiency. It also saved 47% of water in comparison to the timer system. This work demonstrates that affordable sensor technology can optimize agricultural water use without harming plant health.

Competition history

  • CSEF 2026 Environmental Engineering (Track 2) (Junior Division) · Entry J-12-09

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