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Guyup Mahardhian Dwi Putra
Program Studi Teknik Pertanian Fakultas Teknologi Pangan & Agroindustri Universitas Mataram
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Public Health Social Sciences Other

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Analisis Bibliometrik Perkembangan Teknologi Beton Serat (Fiber Reinforced Concrete) dengan Campuran Serat Alam De Side, Gagassage Nanaluih; Khalil, Fakhrul Irfan; Zulfikar, Wahyudi; Putra, Guyup Mahardhian Dwi
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 11 No. 1 (2025): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v11i1.671

Abstract

The addition of natural fibers in concrete is of great interest in the field of construction materials. Compared to man-made fibers, natural fibers are cheaper and locally available. In addition, the use of natural fibers is certainly more eco-friendly than the use of synthetic fibers but can produce the same strength in its application as an additive. This study aims to determine the development trend of concrete technology with natural fiber admixtures, including the various types of natural fiber waste used, so that it can be a consideration and reference in the use of natural waste in the mix design of natural fiber concrete (Fiber Reinforced Concrete). This study uses bibliometric analysis and literature review methods using Publish or Perish/Harzing software and VOSviewer v.1.6.20. This study was conducted by bibliometric analysis method of concrete technology development that utilizes waste mixture as fiber in Google Scholar indexed publications from 2014 to 2023. Furthermore, the co-cite, coupler, and cluster analysis methods will be used to analyze the collaboration network, and VOSviewer v.1.6.20 is used to visualize this network with three visualization analyses; Network Visualization, Overlay Visualization, and Density Visualization. Of the total publications indexed by Google scholar, namely 989 documents, 958 documents have year information and 31 documents do not have information on the year of publication. The highest publication growth development with this topic occurred in 2021, which reached 284 publications (28.7%), while the lowest publication development was in 2024, totaling 10 documents (1%).
Rancang Bangun Sistem Pemantauan Suhu dan Kelembaban Udara Berbasis Arduino Uno pada Kumbung Jamur Merang Amaliah, Wenny; Putra, Guyup Mahardhian Dwi; Khalil, Fakhrul Irfan; Dewi, Endang Purnama; Sholihin, Ibadias; Hidayat, Taufiq
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 11 No. 1 (2025): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v11i1.758

Abstract

The environmental conditions of a mushroom house are a crucial factor influencing the growth of straw mushrooms, particularly in terms of temperature and humidity parameters. Therefore, it is essential to continuously monitor the environmental conditions within the mushroom house, specifically temperature and relative humidity (RH). This study aims to design a real-time temperature and humidity monitoring system based on Arduino Uno for use in a straw mushroom house. The research consists of several stages: literature review, design and assembly, programming, testing, and evaluation of testing results using the mean absolute percentage error (MAPE) method. The results show that the developed temperature and humidity monitoring system functions effectively to monitor environmental conditions within the mushroom house. The evaluation of the measurement results using the MAPE method indicates a minimum error rate for temperature and humidity measurements, with a percentage of 2.49% and 9.80%, respectively.
Rancang Bangun Sistem Pendingin Air Nutrisi Berbasis Peltier untuk Optimasi Pertumbuhan Tanaman Hidroponik Saputra, Oki; Abdullah, Sirajuddin H.; Sumarsono, Joko; Priyati, Asih; de Side, Gagassage Nanaluih; Putra, Guyup Mahardhian Dwi; Setiawati, Diah Ajeng; Amaliah, Wenny; Dewi, Endang Purnama; Nurrohman, Reza Kusuma; Zamzami, Muhammad Ilham; Sani, Nurwan
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 11 No. 2 (2025): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v11i2.856

Abstract

High ambient temperatures inside tropical greenhouses can significantly raise nutrient solution temperatures in vertical hydroponic systems, disrupting nutrient uptake and reducing plant productivity. This study focuses on the design and development of a nutrient cooling system (chiller) using two TEC1-12706 thermoelectric modules (Peltier) arranged in series to enhance heat dissipation performance. The nutrient solution is pumped from the reservoir to the cooling chamber using a 12 V DC pump and recirculated in a closed-loop configuration. The chiller system is fully automated, controlled by two DH48S digital timers operating simultaneously: one activates Peltier 1, while the other controls Peltier 2 via the NC output (5 minutes) and the pump via the NO output (30 seconds), enabling alternating programmed cooling and circulation. The entire chiller unit is active only from 08:00 to 18:00 WITA using a KG316T programmable timer, corresponding to peak thermal stress hours inside the greenhouse. Results showed that despite greenhouse temperatures reaching up to 39.4 °C with relative humidity dropping to 47.6%, the chiller system maintained nutrient solution temperatures within the optimal 27–30 °C range. This design proved effective in reducing and stabilizing nutrient temperature under high heat microclimates. With its simple, automated, and energy-efficient architecture, the chiller system offers a promising solution for small-scale vertical hydroponics and greenhouse-based urban farming in tropical regions.
Development of IoT-based Smart System for Environmental Control and Water Quality Monitoring in Plant Factory Putra, Guyup Mahardhian Dwi; Dewi, Endang Purnama; Amaliah, Wenny; De Side, Gagassage Nanaluih; Umam, Elpanrizkon; Hardi Kurniawan, Nanda
Teknotan: Jurnal Industri Teknologi Pertanian Vol 19, No 2 (2025): TEKNOTAN, Agustus 2025
Publisher : Fakultas Teknologi Industri Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jt.vol19n2.6

Abstract

This research aims to design and implement an IoT-based environmental control and water quality monitoring system in the Plant Factory to improve the efficiency and effectiveness of controlled agricultural management. The research method involves designing hardware with sensors to monitor air temperature, humidity, light intensity, water temperature, pH, and TDS, and actuators in the form of fans for temperature control, which are integrated with the Arduino Cloud IoT platform for real-time monitoring. The results show that the developed system successfully monitors environmental parameters and water quality in real-time. All sensors have a MAPE below 5% and when the system test runs well, the fan is able to cool the factory plant room below 30oC, but there are challenges when verifying sensor data between LCD displays and IoT data that are not correct at certain times. Overall, this IoT-based system is effective in providing temperature monitoring and control data in the Plant Factory room.
Edukasi Sistem Manajemen Mutu bagi Pelaku Usaha Olahan Kelapa di Sentra Pengolahan Kelapa Kabupaten Lombok Utara AP, Yuhendra; Mi’raj Fuadi; Nur Afni; Agriananta Fahmi Hidayat; Reza Kusuma Nurrohman; Guyup Mahardhian Dwi Putra; Wiwin Apriyanditra; Surya Abdul Muttalib; M. Azhar Mustafid; Elya Antariksana Bachmida; Amuddin; Wahyudi Zulfikar
Jurnal Pengabdian Magister Pendidikan IPA Vol 8 No 3 (2025): Juli-September 2025
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v8i3.12547

Abstract

This community engagement activity was conducted on June 10, 2025, at the Coconut Processing Center in North Lombok Regency, aiming to enhance the awareness and understanding of small and medium-scale coconut-based agro-industrial actors regarding the implementation of quality management systems (QMS). The absence of standardized procedures and inadequate attention to food safety practices have contributed to the inconsistency and limited competitiveness of local processed coconut products such as virgin coconut oil (VCO), coconut milk, and other derivatives. Through the structured delivery of theoretical materials—encompassing foundational concepts of quality assurance, hygiene and sanitation principles, and the legal framework of food safety regulations—participants were introduced to the significance of quality systems in achieving product standardization and compliance. The discussion also highlighted the relevance of the Home Industry Food Permit (PIRT) as a prerequisite for legal distribution and formal market entry. The outcome of the session revealed a substantial improvement in participants’ comprehension of quality-related principles and their willingness to gradually integrate them into operational practices. This initiative demonstrates the pivotal role of universities in strengthening rural-based agribusinesses through knowledge transfer and institutional support.
Model Matematik Prediksi Pembentukan Biogas dari Limbah Kotoran Ternak Putra, Guyup Mahardhian Dwi; Setiawati, Diah Ajeng
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 10 No. 1 (2024): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v10i1.591

Abstract

Petroleum is currently the most commonly used fuel in Indonesia, but its availability is decreasing! Therefore, alternative energy sources are needed.  One solution is to convert agricultural and livestock waste into biogas, which is a renewable and environmentally friendly energy source! Biogas can be used for cooking, generating electricity, and even as fuel for vehicles! The aim of this research is to develop a mathematical model for predicting biogas volume! Can you believe it? The experiment involved creating biogas from a mixture of cow dung and water in a 1:2 ratio. The mixture was stirred until evenly distributed in a portable biogas floating drum. No gas was formed from the first day until the seventh day, but on the eighth day, gas began to form and its volume was recorded! A mathematical model approach, namely the Gompertz and Logistic Models, was used to predict the formation of biogas volume! And guess what? The results indicate that both models were able to predict the data accurately with a coefficient of determination (R2) of 0.99!  The validity test results show that the Gompertz model is the most reliable for making predictions! This is indicated by the bias value of 0.002, MSEP value of 0.000, and EI of 0.058. The validity test value is smaller than the validity test value obtained in the Logistic model, which is a bias value of 0.016, MSEP value of 0.005, and Ei value of 0.329.
Comparative Analysis of Growth Models for Lettuce (Lactuca sativa) in a Plant Factory under Red-Blue LED Treatment Putra, Guyup Mahardhian Dwi; De Side, Gagassage Nanaluih; Setiawati, Diah Ajeng; Kurniati, Nia
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.
MODIFIKASI IKLIM MIKRO DENGAN OTOMATISASI SISTEM IRIGASI TETES PADA TANAMAN SELEDRI (Apium Graveolens A) Dewi, Endang Purnama; Sumarsono, Joko; Abdullah, Sirajuddin Haji; Priyati, Asih; Amaliah, Wenny; Dwi Putra, Guyup Mahardhian; De Side, Gagassage Nanaluih
Jurnal Teknologi Pertanian Andalas Vol 28 No 2 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jtpa.28.2.162-172.2024

Abstract

Seledri atau Apium graveolens sudah sangat dikenal pemanfaatannya oleh masyarakat luas. Daun tanaman tersebut dikonsumsi sebagai lalapan dan penghias hidangan. Bijinya juga dapat dimanfaatkan sebagai bahan penyedap. Selain itu, ekstrak minyak seledri juga dapat digunakan sebagai obat.Penanaman seledri di areal lahan terbuka mengalami beberapa kendala diantaranya seledri merupakan varietas tanaman semusim yang sensitif terhadap kebutuhan air yang memiliki kondisi jenuh air dan kurang air. Pemberian air yang berlebihan atau kekurangan dapat membuat pertumbuhan tanaman seledri tidak optimal. Penerapan mikrokontroler pada sistem irigasi dapat memungkinkan dalam mengontrol pemberian air secara otomatis berdasarkan perintah yang diberikan. Selain masalah pemberian air, Perubahan iklim, suhu ekstrem, atau cuaca tidak stabil juga menjadi kendala tanaman seledri di lahan. Seledri lebih baik tumbuh pada suhu yang lebih sejuk, dan suhu ekstrem dapat mempengaruhi produksi tanaman. Pada lahan terbuka modifikasi iklim mikro dilakukan dengan memberikan mulsa sebagai penutup permukaan lahan sehingga mampu memberikan karakteristik yang berbeda terhadap unsur-unsur iklim mikro, yang meliputi, kelengasan tanah, suhu tanah, serta suhu dan kelembapan udara. Penelitian ini menunjukkan bahwa otomatisasi irigasi tetes dapat berfungsi dengan baik. Alat ini mampu membaca suhu udara (°C), kelembapan udara (%), dan suhu tanah (°C) menggunakan sensor SHT10 dan DS18b20. Data hasil pembacaan sensor dan kondisi servo berhasil disimpan secara real time oleh data logger RTC DS3231 dalam format file .csv. Semua data dan aktivitas alat dapat dimonitor melalui MQTT Dashboard. Kelengasan tanah tertinggi terdapat pada tanah dengan menggunakan mulsa jerami yaitu sebesar 32% pada pukul 18:4:9 sore hari, Suhu tanah tertinggi terjadi pada perlakuan tanpa mulsa pada pukul 12:00 di siang hari sebesar 33.5 oC, diikuti suhu tanah pada perlakuan mulsa plastik sebesar 32 oC dan suhu tanah pada perlakuan dengan mulsa jerami sebesar 29,6 oC. Suhu udara yang diperoleh pada penelitian adalah  25,93 ˚C dengan kelembapan 79,72 %. Dari hasil yang diperoleh di lapangan, seledri bisa tumbuh dengan optimal pada rentang suhu dan kelembapan tersebut.
Co-Authors - Murad, - Abdullah, Sirajuddin H. Afni, Nur' Agriananta Fahmi Hidayat Amaliah, Wenny Amuddin Ansar Ansar Ansar Ansar Asih Priyati Attamimy, Haikal Cahyawan Catur Edi Margana De Side, Gagassage Nanaluih Devi Risdianti Dewi, Endang Purnama Diah Ajeng Setiawati Diah Ajeng Setiawati Diah Ajeng Setiawati, Diah Ajeng Elya Antariksana Bachmida Erni Martiani, Erni Fakhrul Irfan Khalil Gagassage Nanaluih De Side Hadi, Agus Purbathin Hammad, Rifqi Hardi Kurniawan, Nanda Hirjani Hirjani Hunaepi, Hunaepi Husnita Komalasari Huswatun Ida Lailatun Joko Sumarsono Kurniadin Abd Latif Kurniawan, Hary Lalu Muhammad Ariandi M. Azhar Mustafid Medi Sopian Asmana Mi’raj Fuadi Muhammad Ahzani Muhammad Mujahid Dakwah Muhammad Nasarudin Murad Murad Mustawa - Naufali, M. Nizhar Ni Kadek Elvin Artika Nia Kurniati OKI SAPUTRA Opan Sopiandi Ependi Putri, Destiana Adinda Rahmat Sabani Reza Kusuma Nurrohman Reza Kusuma Nurrohman Safinatul Aulia Sani, Nurwan Satrijo Saloko Sholihin, Ibadias Sirajuddin Abdullah Sirajuddin H. Abdullah Sirajuddin Haji Abdullah Sopiyan Iqbal Sri Hartini Sri Hartini sukmawaty - Sukmawaty Sukmawaty Sukmawaty Sukmawaty Sukmawaty Sukmawaty Sukmawaty Sukmawaty, Sukmawaty sumarjan - Sumarjan Sumarjan Sumarjan Sumarjan Surya Abdul Muttalib Suryadi - Syamsurrijal, Syamsurrijal Taufiq Hidayat Umam, Elpanrizkon Wahyu Kristian Sugandi Wahyudi Zulfikar Wenny Amaliah Wijaya, Andre Wiwin Apriyanditra Yuhendra AP Zamzami, Muhammad Ilham Zulfikar, Wahyudi Zulpayatun -