AUTOMATIC CROP IRRIGATION DEVICE ACCORDING TO SOIL MOISTURE CONTENT
DOI:
https://doi.org/10.52158/z9mecp44Keywords:
Automatic irrigation, soil moisture sensor, Arduino Uno, sustainable agriculture, water efficiencyAbstract
This paper presents the design and im- plementation of an automatic irrigation system that optimizes water delivery based on real-time soil mois- ture levels, addressing water scarcity and inefficien- cies in traditional irrigation methods. The system integrates a YL-69 soil moisture sensor, an Arduino Uno R3 microcontroller, and a Leo water pump to irrigate a 2500 m² rice field. The system activates the pump when soil moisture falls below 10% and deactivates it when moisture exceeds 80%, maintain- ing optimal soil conditions (50–70%) for crop growth. The methodology includes sensor calibration, circuit design using Fritzing, and field testing to evaluate sys- tem performance. Results demonstrate effective water management, with the system reducing water wastage by approximately 40% compared to manual irrigation, enhancing crop productivity, and minimizing environ- mental impact. This affordable and scalable solution is particularly suitable for smallholder farmers in rural areas, contributing to sustainable agricultural practices amidst climate change challenges.
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