Artikel dari Penerbit "The University of Lampung"

Ditemukan 948 artikel.


Effect of Methanol–NaOH Catalyst Variations on the Properties and Engine Performance of B50 Biodiesel from Waste Cooking Oil

Oleh: Suardi, Suardi, Hariyono, Hariyono, Mahmuddin, Faisal

The growing demand for environmentally friendly fuels has encouraged the use of biodiesel as an alternative to fossil diesel. This study explores the production of B50 biodiesel derived from waste cooking oil using the transesterification method, with two catalyst variations: (1) 1000 mL methanol + ...

Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 1 (2026): February 2026; 79-89

Economic Feasibility of Embankment Construction with a Polder System for Optimizing Sustainable Palm Oil Cultivation

Oleh: Hermantoro, Hermantoro, Kifli, Fahmi W, Marta, Rolly

Lowland areas in oil palm plantations is often flooded due to river overflows and high rainfall, which results in reducing oil palm productivity. This research aims to analyze the feasibility of investing in building embankments with a polder system to optimize lowland areas for sustainable oil palm...

Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 14 No. 6 (2025): December 2025; 2069-2079

The Effect of Water Application Levels on the Nutritional Value of Maize (Zea mays L.) Forage under Biochar-Amended Vertisol Soil in Kupang Regency, East Nusa Tenggara

Oleh: Masria, Masria, Salli, Maria Klara, Syarifuddin, Magfira

This study aimed to examine the effect of different water levels on the growth and nutritional value of maize (Zea mays L.) forage grown on Vertisol soil amended with corncob biochar. The research was conducted in Oesao Village, Kupang Regency, East Nusa Tenggara. Biochar was produced by pyrolyzing ...

Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 14 No. 6 (2025): December 2025; 2370-2379

Shelf Life Estimation of Taro Flour Packaged in Polypropylene (PP) and High-Density Polyethylene (HDPE) Using The Arrhenius Approach

Oleh: Pradyta, Shafira, Wulandani, Dyah, Hasbullah, Rokhani

Taro flour stored for an extended period tends to experience a decline in quality. Therefore, determining the optimum storage period is essential. The Accelerated Shelf Life Testing (ASLT) method using the Arrhenius model was applied to estimate the shelf life of taro flour. The research on taro flo...

Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 14 No. 6 (2025): December 2025; 2391-2403

Probabilistic Estimation of Bromate Exposure from the Consumption of Bottled Drinking Water Distributed in the Bogor Region

Oleh: Handayani, Yani, Giriwono, Puspo Edi, Herawati, Dian

Bottled drinking water is a source of human exposure to bromate, a disinfection by-product (DBP) with adverse health effects and carcinogenic potential. Little is known about bromate exposure levels and risk characterization, particularly in Bogor, Indonesia. The study aimed to obtain data on bromat...

Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 14 No. 6 (2025): December 2025; 2057-2068

Land Suitability Evaluation for Cardamom (Elettaria cardamomum) Cultivation in Sumber Rejo Village, Purwosari Subdistrict, Pasuruan Regency

Oleh: Roziqin, Agus Zainur, Purwadi, Purwadi, Sasongko, Purnomo Edi

Market demand for cardamom (Elettaria cardamomum) continues to rise, yet its cultivation remains limited to specific regions with suitable environmental conditions. Therefore, land suitability evaluation is essential as a basis for planning the development of this commodity. This study aims to asses...

Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 2 (2026): April 2026; 525-533

Improvement of the Conditioning Process to Enhance the Quality of Vanilla (Vanilla planifolia)

Oleh: Syahrullah, Andi Ulfa Hardianty, Budiastra, I Wayan, Mardjan, Sutrisno

The quality of national vanilla still does not fully meet national and international standards, one reason is the suboptimal conditioning process, namely, the final storage stage to stabilize quality. This study aims to examine the effect of packaging type, combined with temperature and conditioning...

Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 14 No. 6 (2025): December 2025; 2131-2144

The Effect of NPK and Guano Fertilizer on the Growth and Yield of Bogor Peanut Plants (Vigna subterranea (L.) Verdc.)

Oleh: Liemendy, Vanessa Gabrielle, Widiwurjani, Widiwurjani, Santoso, Juli

This study aimedto evaluate the effects of combined NPK fertilizer and guano application on the growth and yield of Bambara groundnut (Vigna subterranea (L.) Verdc.). The experiment employed a factorial randomized block design with two factors: NPK fertilizer dosage (25%, 50%, 75%, and 100% of recom...

Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 15 No. 2 (2026): April 2026; 702-709

Assessment of Carbon Capture and Storage in Plantation and Garden Agroecosystems in Tuntang Hulu Sub-Watershed

Oleh: Mustikasari, Rosita, Simanjuntak, Bistok Hasiholan

Agroecosystems such as gardens and plantations play a crucial role in climate change mitigation through carbon capture and storage (CCS). This study aimed to analyze the carbon storage potential of these two agroecosystem types in the Tuntang Sub-Watershed and to examine the factors influencing it. ...

Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 14 No. 6 (2025): December 2025; 2380-2390

Effect of Land Use on Soil Water Storage in the Effective Depth (0–60 cm) Using the Water Balance Method

Oleh: Dhika, Muara, Widjajani, Bakti Wisnu, Maroeto, Maroeto

Land use changes significantly impact groundwater storage, which is crucial for maintaining ecosystem balance and supporting agriculture. This study aims to evaluate groundwater storage capacity across various land uses in the Gunting Sub-watershed, Wonosalam District, Jombang Regency, East Java. Fi...

Sumber: Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering); Vol. 14 No. 6 (2025): December 2025; 2414-2423