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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Pengabdian Magister Pendidikan IPA Jurnal Teknologi Pertanian Andalas Jurnal Gema Ngabdi Jurnal Teknik Lingkungan Jurnal Abdi Insani Cassowary Jurnal Pepadu Indonesian Journal of Engineering (IJE)
Gagassage Nanaluih De Side
Universitas Mataram
Religion Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences

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Design and Performance Test of Corn Seeder Integrated with Fertilizer Applicator Muhammad Asshidiq Ansar; Ansar Ansar; Gagassage Nanaluih De Side; Gagassage Nanaluih De Side
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 3 (2025): June 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i3.911-919

Abstract

Along with the increasing demand for corn in the country, the use of agricultural tools and machines to increase corn productivity is very important. Therefore, this study aims to design and test the performance of a corn seeder integrated with fertilizer applicator. This tool is designed using the principles of agricultural mechanics. The research stages began with conducting a feasibility study, designing a prototype of the tool, then conducting performance testing on agricultural land. The results showed that the majority of farmers considered this tool very effective and efficient to use compared to a digging tool. The results of the performance test on farmers' land also showed that this tool was able to plant corn seeds with uniform depth and spacing and distribute fertilizer evenly. All components of the corn seeder function properly, so it is suitable for use to increase the productivity of corn farmers' land. This corn seeder has met the category requirements as a corn seeder and fertilizer applicator with a manual operating system. The application of this corn seeder has the potential to increase land productivity and can facilitate the process of planting corn seeds. Keywords: Corn seeders, Corn, Land productivity, Planting holes, Respondents.
Comparative Analysis of Growth Models for Lettuce (Lactuca sativa) in a Plant Factory under Red-Blue LED Treatment Guyup Mahardhian Dwi Putra; Gagassage Nanaluih De Side; Diah Ajeng Setiawati; Nia Kurniati
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 4 (2025): August 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v14i4.1452-1464

Abstract

The growth of lettuce (Lactuca sativa) in controlled environments such as Plant Factories is highly influenced by lighting, particularly under red-blue (RB) LED treatment. Accurate growth prediction models are essential for optimizing yield. This study compared four models linear, polynomial, logistic, and Gompertz to determine the best predictor of leaf area expansion. Leaf area measurements over 30 days were analyzed using Easy Leaf Area software. Results showed that the Gompertz model consistently outperformed others with the lowest Mean Absolute Percentage Error (MAPE) of 14.55% (slow), 39.51% (medium), and 29.13% (high), and the highest R² values of 0.99 across all growth categories. In contrast, linear and polynomial models exhibited extremely high MAPE values, exceeding 300% in most cases. The study concludes that the Gompertz model is the most accurate and biologically realistic for modeling lettuce growth in Plant Factory systems, offering robust predictive capability for sustainable precision agriculture.
Co-Authors Amaliah, Wenny Amuddin Ansar Ansar Asih Priyati Auliya Akraboelittaqwa Azmiyati, Uzlifatul Dewi, Endang Purnama Diah Ajeng Setiawati Diah Ajeng Setiawati, Diah Ajeng Gagassage Nanaluih De Side Guyup Mahardhian Dwi Putra Joko Sumarsono Jurnal Pepadu Lalu Auliya Akraboe Littaqwa Littaqwa, Lalu Auliya Aqraboe Muhammad Asshidiq Ansar Nia Kurniati Sirajuddin H Abdullah Sirajuddin Haji Abdullah Wenny Amaliah