Penerbit: The University of Lampung
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Design and Performance Evaluation of an IoT-Based Automatic Airflow Control System for a PV/T Solar Dryer with Silica Gel Adsorption Heat Storage
Oleh: Oktavionry, Putri Arsyafdini, Nelwan, Leopold Oscar , Subrata, I Dewa Made
Solar energy is one of the most promising renewable energy sources, yet solar drying operating costs often remain prohibitive for small-scale farming. This research aims to design and evaluate the performance of an automated air flow control system for a PV/T collector integrated with an adsorption ...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 1 (2026): February 2026; 153-163
Preface October 2025
Oleh: JTEP-L, Editor
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Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 14 No. 5 (2025): October 2025
Image-Based Classification of Robusta Coffee Roasting Degree Using LDA–KNN with Color and Shape Features
Oleh: Ritonga, Desi Kris Tanti, Ahmad, Usman, Mardjan, Sutrisno Suro
The determination of robusta coffee roast levels is commonly conducted through visual assessment, which is inherently subjective and prone to inconsistency due to overlapping visual characteristics between adjacent roasting stages. On the other side, objective measurement equipment is often costly a...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 2 (2026): April 2026; 710-719
Development and Characterization of Nutmeg Shell-Based Activated Carbon for Ethylene Adsorption in Fruit Storage
Oleh: Aji, Sri Ayu La, Ahmad, Usman, Wulandani, Dyah
Nutmeg shells are categorized as hardwood containing carbon such as cellulose and lignin, making them ideal for use as a material for producing activated charcoal. Activated charcoal can be used as an additive to absorb ethylene, O₂, CO₂, and H₂O to slow down fruit ripening. This study was con...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 2 (2026): April 2026; 841-851
Natural Convection and Thermal Stratification in a Biomass Oven Fueled by Non-Carbonized Kesambi Leaf Briquettes: An Experimental Study
Oleh: Dethan, Jemmy Jonson Sula, Bunga, Fredrik Julius Haba, Maliwemu, Erich Umbu Kondi
This study investigates the vertical temperature distribution, natural convection behavior, and thermal performance of a biomass oven fueled by non-carbonized Kesambi leaf briquettes. Temperature measurements were conducted at multiple vertical positions inside the oven to characterize heat distribu...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 2 (2026): April 2026; 752-760
Evaluation of Site-Specific Methane Emission Factors from Biogas Production in Tapioca Industrial Wastewater Treatment Systems
Oleh: Pratiwi, Eva Martha, Iryani , Dewi Agustina, Safe'i, Rahmat
Tapioca processing in Indonesia generates high-strength wastewater that can emit substantial methane (CH4) without sufficient treatment. The objective of this study is to determine a site-specific methane emission factor (B₀) for biogas power generation based on an anaerobic covered lagoon (ACL) a...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 2 (2026): April 2026; 811-820
Effect of Serratia sp. Application Rate on Frost Damage, Growth, and Yield of Potato (Solanum tuberosum L.) Under Field Conditions
Oleh: Nugroho, Inggil Setyo, Zendrato, Yuniel Melvanolo, Herawati, Maria Marina
Frost damage poses a major constraint to potato (Solanum tuberosum L.) production in the Dieng Plateau, leading to significant yield loss. This study aimed to evaluate the effectiveness of Serratia sp. in mitigating the physical impacts of natural frost and improving plant growth and yield. The expe...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 2 (2026): April 2026; 821-831
Performance Evaluation of a Modified Granulator Based on Operating Parameters for Bioherbicide Granule Production
Oleh: Pramuhadi, Gatot, Chozin, Muhamad Achmad, Gunawan, Endang
Bioherbicide granules is a new innovation in weed control produced using a granulator machine. This study aimed to evaluate the performance of a modified pan granulator prototype intended for bioherbicide granule production. Wheat flour and tapioca flour were used as starch-based substitute material...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 2 (2026): April 2026; 554-561
Enhancing Morphological and Physiological Sugarcane Growth through Natural Plant Growth Regulators Made of Banana Weevil
Oleh: Pamungkas, Saktiyono Sigit Tri, Yulianto, Karisma Ridha, Sukmawati, Fitria Nugraheni
Natural plant growth regulators (NPGR) have a significant impact on plant growth, particularly on plant morphological and physiological characteristics. The aim of this study was to examine the effects of immersion duration with banana weevil NPGR on the physiological and morphological traits of bud...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 2 (2026): April 2026; 720-731
Flood Discharge Modeling through Hydrological Parameter Calibration Using HEC-HMS in the Lower Air Bengkulu River
Oleh: Susetyo, Ekanto Wahyudi, Kardhana, Hadi, Hartawan, I Putu
The Air Bengkulu River experiences flooding at least twice a year due to increased discharge during the rainy season. This study aims to calibrate hydrological model parameters based on daily rainfall data for the flood event of 30 August 2022 using HEC-HMS modeling to obtain a best design for flood...
Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 2 (2026): April 2026; 627-638