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Widhiantari, Ida Ayu
Fakultas Teknologi Pangan Dan Agroindustri, Universitas Mataram
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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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

Abstract

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

Abstract

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

Abstract

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.
Drying Characteristics of Cayenne Pepper (Capsicum frutescens L.) Using a Rotary Rack Hybrid Dryer with Blanching Pretreatment Application Widhiantari, Ida Ayu; Sukmawaty, Sukmawaty; Murad, Murad; Arrohman, Muh Yustiar; Sandhiyana, Alifkha Bagus; Gunawan, Gunawan
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.v14i3.1085-1097

Abstract

Proper post-harvest handling is very necessary to maintain product quality and extend the shelf life. One way to extend the shelf life of agricultural products, including cayenne pepper (Capsicum frutescens L.), is by drying techniques. Blanching pretreatment before drying can maintain the condition of the dried product so that it can maintain the final product quality. The aim of this research was to analyze the water content, water content ratio (MR), drying rate, drying constant of cayenne pepper using a rotary rack type of hybrid dryer. The use of rotary racks type hybrid dryer is a cheaper drying alternative and the use of rotary racks is able to standardize the water content in the cayenne pepper drying process. The research was carried out with two treatments, namely with and without blanching process at a temperature of 90°C for 5 min. The second factor was drying temperatures were are 43 47℃, 48-52℃ and 53-57℃ until the cayenne pepper reach the water content according to the reference, namely in the range of 5-8%. From the research results, it was obtained that the lowest water content of cayenne pepper was given pretreatment blanching at a temperature of 53-57°C, namely 6.43% with a drying time of up to 14 h. The drying rate of blanched cayenne pepper was higher than that of unblanched cayenne pepper. Keywords: Blanching, Cayenne pepper, Drying.
Co-Authors Afriana, Tina Agriananta Fahmi Hidayat Agriananta Fahmi Hidayat Agriananta Fahmi Hidayat Amaliah, Wenny Amuddin Amuddin, Amuddin Antesty, Sella Anugerah, M. Titan Arrohman, Muh Yustiar Asih Priyati Cicilia, Siska De Side, Gagassage Nanaluih Dewi, Endang Purnama Dwi Putra, Guyup Mahardian Fakhrul Irfan Khalil Firmansyah, Surya Ananda Gunawan Gunawan Gunomo Djoyowasito Hidayat, Agriananta Fahmi Joko Sumarsono Mita Sari Ningsih Mi’raj Fuadi Murad, Murad Nurul Aen OKI SAPUTRA Pangestuti, Rika Wulandari Prasistha, Ni Ketut Intan Puspitasari, Isnaini Rosyid Ridho Rozidi Rozidi Sabar Burhan Sandhiyana, Alifkha Bagus Sandra Sandra Sirajuddin haji Abdillah Sirajuddin Haji Abdullah Sukma, Dinda Galuh Sukmawaty Sukmawaty, Sukmawaty Surya Abdul Muttalib, Surya Abdul Wahyudi Zulfikar Widhiantara, I Ketut Manik Widiastawan, I Kadek Widi Yusuf, Ahmad Rahman Zulfikar, Wahyudi Zulhan Widya Baskara