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Monitoring of Air Temperature and Humidity Inside and Outside Oyster Mushroom (Pleurotus ostreatus) House Using DHT11 Sensor Widhiantari, Ida Ayu; Widiastawan, I Kadek Widi; Prasistha, Ni Ketut Intan
Jurnal Online Pertanian Tropik Vol. 12 No. 1 (2025): JURNAL ONLINE PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jpt.v12i2.19868

Oyster mushrooms (Pleurotus ostreatus) require a humid environment and stable temperatures to grow optimally. One of the mushroom growing media, namely mushroom house, which need to be regulated in temperature and humidity in order to produce high-quality mushrooms. Management of environmental conditions is essential, as significant changes in temperature and humidity can inhibit mold growth or even cause disease. This study aims to monitor the internal and external conditions of the oyster mushroom growing environment using a DHT11 sensor so that ideal growth conditions can be obtained. This research was carried out through several stages, including the preparation of tools and materials, hardware design, layout arrangement, testing of temperature and air humidity control systems, and monitoring oyster mold growth. The results of the 20-day study showed that the internal temperature in oyster mushroom clusters was at the ideal temperature for oyster mushroom growth, which ranged from 25,3°C to 30,8°C, while the maximum humidity reached up to 98% at certain times. The external temperature of mushroom house is in the temperature range of 28°C to 33,5°C with a relatively lower humidity, ranging from 73,2% to 91,2%. Humidity above 90% dominates most measurements, especially in the afternoon, creating ideal conditions for mold growth. The use of the DHT11 sensor in temperature and humidity measurements in this study was effective in recording significant daily fluctuations. The resulting data shows that the sensor is able to detect changes in temperature and humidity of the kumbung chamber and the environment.

Analisis Variasi Ketinggian Penyiraman Kabut Menggunakan Nozzle Terhadap Pertumbuhan Persemaian Tanaman Sawi Hijau ( Brassica juncea L) Sumarsono, Joko; Widhiantari, Ida Ayu; De Side, Gagassage Nanaluih; Abdullah, Sirajuddin Haji; Priyati, Asih; Dewi, Endang Purnama; Amaliah, Wenny; Pangestuti, Rika Wulandari
Jurnal Teknologi Pertanian Andalas Vol 29 No 2 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar

The success rate in the seedling process is ofte hampered by inappropriate watering, which can cause the seedlings to rot and die. To overcome this problem, an efficient watering system with a high degree of precision is required. Mist irrigation is one of the appropriate methods because micro-sized water droplets are sprayed to maintain air humidity and reduce the rate of transpiration. This study aims to optimize the application of mist irrigation by evaluating the effect of nozzle height variations on plant growth. Using an experimental method, the variations included nozzle heights of 20 cm, 25 cm, and 30 cm. The parameters measured in this study included water discharge, plant height, number of leaves, and leaf area. The results showed that a watering height of 25 cm produced the best plant growth. The results of this study show that specific adjustment of the nozzle height is very important for improving the efficiency of mist irrigation in the seedling process. Keywords: mist irrigation, seedling, green mustard

Design of Scheduled Fog Irrigation System with ESP 32 in Mustard Seedbed (Brassica juncea L.) Sumarsono, Joko; Widhiantari, Ida Ayu; De Side, Gagassage Nanaluih; Widhiantara, I Ketut Manik
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 13 No. 4 (2024): December 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i4.1109-1120

Plants receive water from the fog irrigation system in the form of tiny, mist-like water particles. Currently, irrigation technology has advanced, nurseries can be automatically irrigated. In this research, the ESP32 microcontroller is used to create the electronic circuits for the automation of the fog irrigation control system in a mustard green nursery. This study's methodology combines direct field observation with an experimental or trial approach. Water flow (ml/minute), water use efficiency (%), plant height (cm), number of leaves, and scheduled fog irrigation system performance are among the measured parameters. In this investigation, four different treatments were used: manual irrigation using a watering can, two-time, three-time, and one-time irrigation. All is going according to plan with this mist watering system. With an average height of 4.58 cm and an average number of leaves of 3.24, the mist irrigation system had the highest water use efficiency of 77.35% during the test. It was also found that mist irrigation produced the highest amount of mustard leaves in the three-times-per-day treatment. Keywords: ESP32, Fog irrigation, Green mustard, Nurseries.

Kajian Falsafah Ilmu Ontologis, Epistemologis, dan Axiologis Dalam Konteks Keberlanjutan: Pemanfaatan Gulma Air dan Limbah Pertanian Menjadi Aktor Teknis Dalam Sistem Transportasi Buah Widhiantari, Ida Ayu; Sarjan, Muhammad
SINTA Journal (Science, Technology, and Agricultural) Vol. 6 No. 2 (2025)
Publisher : Perkumpulan Dosen Muda (PDM) Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37638/sinta.6.2.307-326

Pengemasan dan transportasi buah segar menghadapi tantangan ganda: tingginya kerugian pascapanen (40-50%) dan dampak lingkungan dari kemasan plastik konvensional. Kajian literatur ini mengeksplorasi solusi inovatif dengan menganalisis pemanfaatan gulma air (seperti eceng gondok) dan limbah pertanian (seperti kulit pisang dan ampas tebu) sebagai bahan baku kemasan berkelanjutan melalui pendekatan filsafat ilmu. Secara ontologis, hakikat limbah diubah dari bahan tak berguna menjadi sumber daya bernilai yang kaya biopolimer seperti selulosa dan pektin. Validasi epistemologis dilakukan melalui metode empiris, termasuk sintesis material (misalnya, hidrogel dari eceng gondok), pengujian kinerja mekanis, dan Analisis Siklus Hidup (LCA). Hasilnya menunjukkan bahwa material berbasis limbah ini menawarkan kinerja perlindungan yang kompetitif—terbukti mampu mengurangi kehilangan berat, mempertahankan kekerasan, dan meningkatkan retensi warna pada buah selama transportasi. Keunggulan utamanya terletak pada sifat biodegradable, yang dikonfirmasi melalui pengujian penguburan tanah dimana material mengalami pengurangan massa signifikan. Secara aksiologis, inovasi ini memberikan nilai keberlanjutan yang luas. Dengan mendukung ekonomi sirkular, mengurangi polusi plastik, dan meminimalkan kerugian pascapanen, pendekatan ini sejalan dengan Tujuan Pembangunan Berkelanjutan (SDG) 12. Disimpulkan bahwa pemanfaatan limbah untuk kemasan buah tidak hanya layak secara teknis, tetapi juga memiliki landasan filosofis yang kuat untuk menciptakan sistem transportasi buah yang lebih berkelanjutan dan bertanggung jawab secara lingkungan.

Performance Evaluation of a 7000 Liter FiberGlass Biodigester for Biogas Production Khalil, Fakhrul Irfan; Amuddin; Widhiantari, Ida Ayu; Ridho, Rosyid; Zulfikar, Wahyudi
Jurnal Keteknikan Pertanian Tropis dan Biosistem Vol. 14 No. 1 (2026): April 2026
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jkptb.2026.014.01.01

This study aims to evaluate the operational performance of a 7000-liter fiberglass biodigester that was revitalized and modified at the Power and Agricultural Machinery Laboratory, Faculty of Food Technology and Agroindustry, University of Mataram. The fiberglass biodigester was developed as an alternative to conventional concrete biodigesters, which are prone to structural damage and exhibit limited operational efficiency, particularly in earthquake-prone regions. The research was conducted as an observational case study through performance monitoring of the biodigester during 40 days of continuous operation following system repair and modification. Cow manure was used as the substrate, mixed with water at a 1:2 ratio (by volume). The monitored parameters included fermentation temperature, substrate pH, gas pressure, daily biogas volume, gas composition, and combustion quality. The results showed that the biodigester operated stably at temperatures ranging from 27 to 31 °C and near-neutral pH conditions, with a maximum daily biogas production of 4.43 m³/day and an average of 1.73 m³/day throughout the monitoring period. The methane content ranged from 52 to 61%, while hydrogen sulfide concentration was reduced to approximately 150 ppm after gas purification, indicating that the biogas was suitable for combustion with a heating value of up to 21 MJ/m³. These findings demonstrate that the fiberglass biodigester exhibits good operational performance and has strong potential for application as a renewable energy system at campus and community scales, supporting sustainable livestock waste management.

Farmers' Perceptions of Integrated Farming Systems for Sustainable Agrotourism in Das Batu Lanteh Sumbawa, Indonesia: Persepsi Petani terhadap Sistem Pertanian Terpadu untuk Agrowisata Berkelanjutan di Das Batulanteh Sumbawa, Indonesia Ahmadi, Sudarly; Widhiantari, Ida Ayu; Cicilia, Siska; Amaro, Moegiratul; Ayu, Hanifah; Ahmadi, Ahmadi; Amrullah, Amrullah
Indonesian Journal of Tropical Biology Vol. 1 No. 3 (2025): December 2025
Publisher : Yayasan Siti Widhatul Faeha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65622/ijtb.v1i3.177

Integrated farming systems (IFS) offer a sustainable approach to optimize agricultural resources and support agro-tourism development in dryland regions. This study aims to analyze farmers' perceptions of IFS and its potential implementation for sustainable agro-tourism in the Batu Lanteh watershed, Sumbawa. Using a descriptive-analytical mixed-methods approach, data were collected through surveys of 30 purposively selected farmers across three villages, complemented by in-depth interviews and field observations. Results indicate that farmers partially adopt IFS practices such as using crop residues as feed, cultivating legumes, and recycling manure but face constraints due to limited agricultural literacy, small land holdings, aging farmers, and inadequate market access. Although economic benefits like increased income and reduced production costs are positively perceived, consistent implementation of long-term ecological practices remains low. The study concludes that enhancing IFS adoption and agro-tourism integration requires targeted technical assistance, farmer education, and improved infrastructure. These efforts can optimize resource use, strengthen environmental conservation, and promote sustainable agro-tourism in dryland contexts.

Karakterisasi Biobriket Limbah Eceng Gondok dan Tembakau serta Pergeseran Paradigma Antroposentrisme ke Ekosentrisme Widhiantari, Ida Ayu; Sarjan, Muhammad
Jurnal Ilmiah Teknologi Pertanian Agrotechno Vol. 11 No. 1 (2026): April
Publisher : Fakultas Teknologi Pertanian, Universitas Udayana Gedung GA, Fakultas Teknologi Pertanian, Universitas Udayana Jl. Raya Bukit Jimbaran, Jimbaran, Kuta Selatan, Bali Telp/Fax: (0361) 701801

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITPA.2026.v11.i01.p04

Krisis energi dan degradasi lingkungan global mendorong pengembangan energi terbarukan, termasuk biobriket dari limbah biomassa. Namun, pendekatan pengembangan biobriket sering kali didasarkan pada paradigma antroposentrisme yang menekankan nilai instrumental alam bagi kepentingan manusia, sehingga dianggap kurang memadai untuk mengatasi krisis ekologis multidimensi. Kajian ini bertujuan untuk menganalisis pergeseran paradigma etika dari nilai instrumental menuju keseimbangan ekologis dalam pengembangan biobriket berkelanjutan, dengan membandingkan perspektif antroposentrisme dan ekosentrisme. Metode yang digunakan adalah studi literatur dengan pendekatan kualitatif deskriptif, menggabungkan data teknis-empiris (karakteristik bahan baku dan proses briketisasi) serta data filosofis terkait prinsip etika lingkungan. Hasil kajian menunjukkan bahwa biobriket dapat memenuhi tujuan antroposentris, seperti penyediaan energi bersih, pengurangan biaya, dan penanganan limbah (misalnya eceng gondok dan limbah tembakau). Secara bersamaan, pemanfaatan limbah invasif seperti eceng gondok juga mendukung tujuan ekosentris melalui restorasi ekosistem dan pengurangan dampak negatif terhadap keanekaragaman hayati. Kesimpulannya, pengembangan biobriket berkelanjutan dapat menjadi titik temu yang memadukan kepentingan manusia dengan tanggung jawab ekologis, mendorong sintesis antara utilitas manusia dan pemulihan integritas lingkungan. Diperlukan penelitian lanjutan untuk mengoptimalkan parameter teknis dan bahan perekat guna meningkatkan keefektifan biobriket secara holistik.

Farmers' Perceptions of Integrated Farming Systems for Sustainable Agrotourism in Das Batu Lanteh Sumbawa, Indonesia: Persepsi Petani terhadap Sistem Pertanian Terpadu untuk Agrowisata Berkelanjutan di Das Batulanteh Sumbawa, Indonesia Ahmadi, Sudarly; Widhiantari, Ida Ayu; Cicilia, Siska; Amaro, Moegiratul; Ayu, Hanifah; Ahmadi, Ahmadi; Amrullah, Amrullah
Indonesian Journal of Tropical Biology Vol. 1 No. 3 (2025): December 2025
Publisher : Yayasan Siti Widhatul Faeha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65622/ijtb.v1i3.177

Integrated farming systems (IFS) offer a sustainable approach to optimize agricultural resources and support agro-tourism development in dryland regions. This study aims to analyze farmers' perceptions of IFS and its potential implementation for sustainable agro-tourism in the Batu Lanteh watershed, Sumbawa. Using a descriptive-analytical mixed-methods approach, data were collected through surveys of 30 purposively selected farmers across three villages, complemented by in-depth interviews and field observations. Results indicate that farmers partially adopt IFS practices such as using crop residues as feed, cultivating legumes, and recycling manure but face constraints due to limited agricultural literacy, small land holdings, aging farmers, and inadequate market access. Although economic benefits like increased income and reduced production costs are positively perceived, consistent implementation of long-term ecological practices remains low. The study concludes that enhancing IFS adoption and agro-tourism integration requires targeted technical assistance, farmer education, and improved infrastructure. These efforts can optimize resource use, strengthen environmental conservation, and promote sustainable agro-tourism in dryland contexts.

Axiological Perspectives on the Development of Sustainable Natural Food Preservatives Derived from Sea Grapes (Caulerpa spp.) Moegiratul Amaro; M Sarjan; Siska Cicilia; Mutia Devi Ariyana; Ida Ayu Widhiantari; Hanifah Ayu; Sudarli; Gunawan; Amrullah; Husnul Jannah; Aida Muspi’ah
Journal of Food and Agricultural Product Vol. 6 No. 1 (2026): JFAP
Publisher : Fakultas Pertanian Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/jfap.v6i1.7623

The use of synthetic preservatives in the food industry has raised significant health and environmental concerns due to their carcinogenic potential, endocrine-disrupting effects, allergenic risks, and toxic residues in ecosystems. This study examines the potential of sea grapes (Caulerpa spp.) as a natural food preservative from an axiological perspective, encompassing health values, environmental ethics, and socio-economic benefits. Caulerpa racemosa and Caulerpa lentillifera contain polyphenols, flavonoids, tannins, terpenoids, alkaloids, and sulfated polysaccharides (ulvan, fucoidan), which exhibit strong antioxidant and antimicrobial activities. These compounds have been shown to inhibit pathogenic bacteria, slow oxidation, and function effectively as preservatives in various forms such as extracts, edible films, powders, and functional food applications. From an axiological standpoint, the use of Caulerpa supports food safety, public health, environmental sustainability, and economic empowerment of coastal communities through product diversification and value-added processing of renewable marine bioresources. Despite its promising potential, challenges remain, including variability in metabolite content, the need for standardization, and long-term safety assessments. This study highlights Caulerpa spp. as a strategic candidate for developing safe, eco-friendly, and sustainable natural food preservatives. Keywords: Sea grapes, Antimicrobial activity, Antioxidants, Caulerpa spp., Natural preservatives

Review of the philosophy of science on the development of resistant starch from mas bananas as a functional food supporting food security Siska Cicilia; Muhammad Sarjan; Arifuddin Sahidu; Amrullah; Moegiratul Amaro; Mutia Devi Ariyana; Ida Ayu Widhiantari; Husnul Jannah; Sudarli; Hanifah Ayu; Aida Muspiah; Gunawan
Journal of Food and Agricultural Product Vol. 6 No. 1 (2026): JFAP
Publisher : Fakultas Pertanian Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/jfap.v6i1.7625

The rising prevalence of degenerative diseases in Indonesia, such as hypertension and diabetes mellitus, is closely associated with dietary shifts toward high fat, sugar, and low fiber consumption. One crucial preventive effort is the development of functional foods, especially resistant starch, which helps improve glycemic response, gut health, and metabolic profiles. This study aims to assess the development potential of resistant starch from mas banana as a functional food to support national food security. The research method was a qualitative literature review, analyzing scientific publications on the characteristics, synthesis, application, and benefits of resistant starch from mas banana. Results reveal that resistant starch from mas banana can be produced through physical, chemical, and enzymatic modifications, yielding superior starch properties which not only provide beneficial physiological effects but also have the potential to substitute imported wheat-based products. The development of functional foods based on mas banana resistant starch is scientifically relevant and an axiological strategy to strengthen food security by diversifying local carbohydrate sources. Keywords: food security, functional food, mas banana

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