Res. Agr. Eng., 2025, 71(1):38-49 | DOI: 10.17221/18/2024-RAE

Development of smart micro-irrigation system using Arduino Uno for okra cultivation in BangladeshOriginal Paper

Sharmin Akter1, Md Mostafizar Rahman ORCID...1, Rafatul Zannat1, Md Masud Rana1, Md Moinul Hossain Oliver1, Md Aslam Ali2
1 Department of Agricultural Engineering, Gazipur Agricultural University, Gazipur, Bangladesh
2 Department of Agro-Processing, Gazipur Agricultural University, Gazipur, Bangladesh

Conventional irrigation practices result in a substantial amount of water loss with okra cultivation. Although micro-irrigation can address this issue by delivering water directly near the rootzone, it requires manual operation. These issues, however, can be resolved with the introduction of a smart micro-irrigation system. This study aims to develop a smart micro-irrigation system for okra, in conjunction with the sub-components of drip irrigation, a microcontroller, and a soil sensor. The experiment was laid out with a randomised complete block design (RCBD) having three treatments: (i) control irrigation (T1), (ii) drip irrigation (T2), and (iii) smart micro-irrigation (T3). The experimental field was irrigated based on soil moisture regimes in the crop rootzone. The plant growth, yield, and water use efficiency were assessed to evaluate the system. The results showed no significant differences among these treatments (at P < 0.05). The best water usage efficiency (15.98 kg·m–3) was observed in the T3 treatment, which also provided about 13.10% water savings compared to the conventional irrigation. This study indicates that a smart micro-irrigation system could be a promising technology for water-efficient okra cultivation.

Keywords: drip irrigation; soil moisture sensor; solenoid valve; yield parameters; water use efficiency

Received: February 20, 2024; Accepted: February 10, 2025; Prepublished online: March 18, 2025; Published: March 20, 2025  Show citation

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Akter S, Mostafizar Rahman M, Zannat R, Rana MM, Hossain Oliver MM, Ali MA. Development of smart micro-irrigation system using Arduino Uno for okra cultivation in Bangladesh. Res. Agr. Eng. 2025;71(1):38-49. doi: 10.17221/18/2024-RAE.
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