Development of An Automatically Vegetables Irrigation Based on Partitioned Areas Using Solar-powered Pump

10.14416/j.ind.tech.2025.12.010

Abstract

This research presents a zone-automatic vegetable irrigation system designed to reduce timely
basis task. The system utilizes water from a 750-watt submersible solar-powered pump energized with
three 330-watt solar panels. This system consists of main board that measures water volume using a flow
rate sensor, providing data to control four sets of 1-inch solenoid valves for zone-by-zone irrigation. Each
valve is controlled via LoRa wireless communication in a direct point-to-multipoint topology, which
minimizes wiring and enhances installation flexibility. Water volume for each zone is defined in codes. The
system supports six sprinklers per zone, each spaced 4 meters apart-twice the typical spray radius used
by local farmers-covering 96 square meters per zone, totaling 384 square meters across four zones.
Experimental results show water flow rates ranging from 42 to 54 liters per minute under solar irradiance
levels of 600 to 1000 watts per square meter. The developed system increases labor productivity,
conserves energy, promotes clean energy usage, and is adaptable to drip irrigation systems. Future
development includes optimizing energy efficiency for the valve-controlled circuitry to extend battery life
and increasing pump capacity and valve size to expand irrigation coverage per zone.