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All Journal Jurnal Pembangunan Wilayah dan Kota Jurnal Dampak Jurnal Agrisistem: Seri Sosek dan Penyuluhan AbdiTechno (Jurnal Pengabdian Masyarakat) Salaga Journal
Mahmud Achmad, Mahmud
Department Agricultural Technology - Hasanuddin University, Makassar Perumahan Dosen UNHAS. Jl. Al Kharismi Blok GI N0. 4, Makassar
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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Journal : Salaga Journal

 1 
Determination of Rice Field Potential Index Based on Geographic Information System in Gowa Regency Rahmatya, Desi; Achmad, Mahmud; Samsuar
Salaga Journal Volume 02, No. 2, December 2024
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v2i2.1778

Abstract

The Index of Land Potential (IPL) is a land evaluation method that aims to identify and utilize land according to its potential. Through IPL, it is expected to achieve optimal productivity and land sustainability. This research aims to determine the Paddy Field Potential Index with the IPL weighting method using Geographic Information Systems (GIS) in Gowa Regency. In this research, the method used is a tiered quantitative approach, where each parameter is given an appropriate weight. Overlapping techniques were applied to various maps used to assess land potential, including aspects of slope, soil type, lithology, hydrology, and disaster risk. The results of this study include a land potential index map and a map of paddy field potential in Gowa Regency. In the LMI, the dominating classes are low and very low, covering an area of 156,885.34 ha (72%), while the use of paddy fields in the very high and high potential classes covers an area of 20,604.48 ha (39%). The relationship between productivity and IPL is explained through the equation IPL = 0.1025P + 4.9539 with a value of R2 = 0.7809, which indicates that an increase in IPL can be a guide to increasing the productivity of rice plants..
Automation of a Combustion Engine-Driven Sprinkler Irrigation Pump in Shallot (Allium ascalonicum) Cultivation Rosalinda, Rosalinda; Sapsal, Muhammad Tahir; Achmad, Mahmud; Olly Sanny, Hutabarat; Ahmad, Munir; Suhardi, Suhardi
Salaga Journal Volume 03, No. 1, June 2025
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v3i1.1823

Abstract

Sprinkler irrigation control is necessary not only for efficiency but also for reducing bulb rot in shallot cultivation caused by excessive watering. This study developed an Arduino-based automatic control system for a combustion-engine-powered sprinkler irrigation setup to prevent overwatering in shallot farming in Enrekang Regency, Indonesia. The system used a servo motor to adjust the throttle lever of the combustion engine, allowing it to stop pumping the water when the soil moisture level detected by the YL-69 sensor exceeded the optimal threshold. This ensured that the irrigation was applied according to the ideal soil moisture level. The testing included infiltration rate measurement, sprinkler uniformity analysis, sensor calibration, system performance evaluation, and shallot yield assessment. The results showed an average irrigation uniformity coefficient (CU) of 84.34%, with the system operating for 10–28 minutes to maintain soil moisture at no more than 70%. The plot using the control system yielded 140 kg of shallots, whereas the plot without the system produced only 96.2 kg. Additionally, the percentage of rotten shallots in the control plot was 5%, which was significantly lower than that observed in the uncontrolled plot (18%). This system effectively reduced bulb rot, demonstrating its feasibility for optimizing water use and improving crop productivity in areas without access to electricity.
Planning a Micro-Hydro System for Irrigation and Agricultural Electrification in Campaga Village, Tompobulu District Hamzah, Wahdaniah; Achmad, Mahmud; Azis, Abdul; Useng, Daniel; Haerani, Haerani; Sabaniah, Syahrial
Salaga Journal Volume 03, No. 2, December 2025
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v3i2.1852

Abstract

Dependence on fossil fuels and limited access to electricity and clean water are challenges to agricultural productivity in many rural areas of Indonesia, including Campaga Village. This study aims to plan an appropriate water energy conversion (pico-hydro) system to meet the operational energy needs of agriculture, particularly irrigation pumps and lighting. The planning began with measuring the potential of resources (discharge, head) and analyzing energy needs based on agricultural applications. The measurement results showed an average discharge of 0.134 m³/s with an effective head of 10.5 m, with the potential to generate mechanical power for pumps of 3.9 kW and electrical power of 2.2 kW. The needs analysis confirmed that this potential is more than sufficient to power one irrigation pump unit (~3 kW) and light 21 road lighting points (0.63 kW). The technical planning recommends the use of a crossflow turbine and a standard AC generator in accordance with the principles of appropriate technology: simple, locally maintainable, and directly integrated with agricultural needs. The conclusion of this study shows that the designed pico-hydro system is not only technically feasible but also has the potential to become strategic supporting infrastructure to improve irrigation water resilience, extend farming hours, and ultimately empower the economy of agrarian rural communities.
Co-Authors Abdul Azis Abdul Waris Ahmad Munir Ahmad, Munir Aminuyati Anugrah Feri Hermanto Aryuni Aryuni, Aryuni Daniel Useng Dedianto Pasomba Diyah Yumeina Gemala Hardinasinta Haerani Haerani Haerani Hamzah, Wahdaniah Hidayat, Amri Husnul Mubarak Intan Febriana Iqbal Iqbal iqbal salim Junaedi Muhidong Muhammad Nuzul MUHAMMAD RIZAL Muhammad Tahir Sapsal MUNIRA Mursalim Olly Sanny Hutabarat Olly Sanny, Hutabarat Rahmatya, Desi Rosalinda Rosalinda Sabaniah, Syahrial Salengke, Salengke Samsuar Sapsal, Muhammad Tahir Sitti Nur Faridah Soma, Andang Suryana Suhardi Suhardi Suhardi Supratomo, Supratomo Useng, Daniel Yumeina, Diyah