Smart Dryer Innovation for Sustainable Post-Harvest Processing: Empowering Beneng Taro Farmers in East Kalimantan for Domestic and Export Markets

Surahman Surahman (), Prapdopo Prapdopo, Said Keliwar, Riza M. Anwar, Anni Fatmawati, M. Adji Pangestu, Pandhu R. S. Putra and Adnan P. Pratama
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Surahman Surahman: Politeknik Negeri Samarinda, Bussiness Administration Department
Prapdopo Prapdopo: Politeknik Negeri Samarinda, Bussiness Administration Department
Said Keliwar: Politeknik Negeri Samarinda, Bussiness Administration Department
Riza M. Anwar: Politeknik Negeri Samarinda, Bussiness Administration Department
Anni Fatmawati: Politeknik Negeri Samarinda, Bussiness Administration Department
M. Adji Pangestu: Politeknik Negeri Samarinda, Bussiness Administration Department
Pandhu R. S. Putra: Politeknik Pertanian Negeri Samarinda, Plantation Product Technology Study Program
Adnan P. Pratama: Politeknik Pertanian Negeri Samarinda, Plantation Product Technology Study Program

A chapter in Proceedings of the International Conference on Applied Science and Technology on Social Science 2025 (iCAST-SS 2025), 2025, pp 446-453 from Springer

Abstract: Abstract Post harvest losses remain a major challenge in tropical agriculture, particularly for smallholder farmers who depend on open-air sun drying. Such traditional methods expose crops to microbial contamination, uneven drying, and weather disruptions, undermining both product quality and marketability. This study introduces and evaluates a Solar Dryer Dome (SDD) designed specifically for drying Beneng taro (Colocasia gigantea) leaves in East Kalimantan, Indonesia. The SDD integrates solar photovoltaic panels with Internet of Things (IoT) sensors to maintain controlled temperature, humidity, and airflow, thereby ensuring a hygienic and energy-efficient drying process. A comparative field experiment was conducted to assess the SDD against conventional sun drying. Key metrics included drying time, microbial load, energy use, and farmer perceptions. Results show that the SDD reduced drying time by more than 50% and significantly lowered microbial contamination compared to open-air drying. The system operated entirely off-grid using a 660 Wp solar array, with battery support enabling continuous ventilation. Farmers reported improved product quality, higher price premiums, and reduced labor requirements. The study demonstrates that integrating renewable energy and IoT technologies into post-harvest systems can enhance resilience and income opportunities for rural communities. It contributes to the literature on sustainable agricultural innovation by validating a scalable, off-grid drying solution for tropical contexts..

Keywords: Beneng Taro Leaves; Internet of Thing (IoT); Solar Dryer Dome (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:spr:advbcp:978-94-6463-938-4_51

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DOI: 10.2991/978-94-6463-938-4_51

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