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All Journal Buletin Udayana Mengabdi Jurnal BETA (Biosistem dan Teknik Pertanian) Jurnal Keteknikan Pertanian Jurnal Abdi Masyarakat Indonesia Journal of Agricultural and Biosystem Engineering Research
I Putu Surya Wirawan
Program Studi Teknik Pertanian Dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Public Health

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Rancang Bangun Sistem Monitoring Suhu dan Kelembaban Kandang Bebek Berbasis Internet of Things Malpindo Ambarita; I Putu Gede Budisanjaya; Yohanes Setiyo; I Putu Surya Wirawan; Radi
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 13 No 1 (2025): April
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/j.beta.2025.v13.i01.p08

Abstract

The main challenge in duck farming is maintaining the environmental conditions of the cage, especiallytemperature and humidity to remain optimal. The purpose of designing a duck cage temperature andhumidity monitoring system based on the Internet of Things. The Design Stages consist of FunctionalDesign and Structural Design and Performance Test of the Internet of Things-based temperature andhumidity monitoring system. The heating lamp works according to the design, turning on if the temperatureis less than 27°C and humidity is more than 80% and turning off if the temperature is more than 30°C andhumidity is less than 60%. This maintains ideal temperature and humidity conditions for duck livestock. Inthe DHT11 sensor test on temperature measurement, there was an error difference of 0.43 and an errorpercentage of 1.65%, while in humidity measurement there was an error difference of 0.44 and an errorpercentage of 0.53%. So it can be concluded that the system is quite accurate in measurements and can beused to monitor the temperature and humidity of the duck house in real-time.
Pengaruh Variasi Kecepatan Putaran terhadap Fertilitas, Mortalitas, dan Daya Tetas Telur Bebek (Anas platyrhynchos domesticus) pada Mesin Penetas Telur Otomati: The Effect of Rotation Speed Variation on Fertility, Mortality, and Hatchability of Duck Eggs (Anas platyrhynchos domesticus) in an Automatic Incubator Machine Ni Kadek Eva Candra Devi; I Putu Surya Wirawan; I Putu Gede Budisanjaya; Yohanes Setiyo; Sri Markumningsih
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 13 No 2 (2025): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/j.beta.2025.v13.i02.p06

Abstract

Abstrak Mesin penetas berperan penting dalam meningkatkan keberhasilan dalam proses penetasan telur bebek. Kecepatan putaran telur pada mesin penetas memiliki pengaruh yang signifikan terhadap distribusi suhu didalam mesin. Kecepatan yang terlalu lambat atau terlalu cepat dapat menyebabakan ketidakmerataan suhu, yang berpotensi menurunkan tingkat keberhasilan penetasan. Penelitian yang dilakukan bertujuan untuk memodifikasi kecepatan putar pada rak secara otomatis dengan menggunakan dimmer 2000 watt dan menentukan kecepatan putaran yang optimal pada mesin penetas telur bebek secara otomatis. Setiap mesin penetas menggunakan variasi kecepatan putaran yang berbeda. Setiap mesin penetas kecepatan putar yang digunakan pada rak pemutar antara lain 1 rpm, 3 rpm, dan 5 rpm dengan kondisi suhu yang sama. Metode penelitian ini, menggunakan Rancangan Acak Lengkap (RAL) dengan 1 (satu) faktor yaitu kecepatan putaran pada rak dudukan telur. Penelitian ini menggunakan 150 butir telur bebek yang didapat dari peternak bebek langsung dari desa Banjarangkan, kabupaten Klungkung. Setiap perlakuan dilakukan 5 kali ulangan dengan jumlah telur di setiap ulangan sebanyak 10 butir telur bebek. Hasil dari penelitian ini adalah. Ketiga kecepatan putar yang dilakukan pada mesin penetas memiliki nilai persentase fertilitas, mortalitas, dan daya tetas masing-masing kecepatan adalah 74%, 42%, 58% untuk kecepatan 1rpm, 90%, 14%, 86%untuk kecepatan 3 rpm dan kecepatan 5 rpm masing masing 62%, 38%, dan 62%. Perlakuan kecepatan putar 3 rpm menghasilkan tingkat fertilitas, mortalitas, dan daya tetas tertinggi. Abstract The incubator plays an important role in increasing the success of the duck egg hatching process. The speed of egg rotation in the incubator has a significant effect on the temperature distribution inside the machine. Speeds that are too slow or too fast can cause uneven temperatures, which have the potential to reduce the success rate of hatching. The study aims to modify the rotation speed on the rack automatically using a 2000 watt dimmer and determine the optimal rotation speed on the duck egg incubator automatically. Each incubator uses a different rotation speed variation. Each incubator rotation speed used on the rotating rack includes 1 rpm, 3 rpm, and 5 rpm with the same temperature conditions. This research method uses a Completely Randomized Design (CRD) with 1 (one) factor, namely the rotation speed on the egg rack. This study used 150 duck eggs obtained from duck farmers directly from Banjarangkan village, Klungkung district. Each treatment was repeated 5 times with the number of eggs in each repetition of 10 duck eggs. The results of this study are. The three rotation speeds carried out on the incubator have percentage values ​​of fertility, mortality, and hatchability of each speed of 74%, 42%, 58% for a speed of 1 rpm, 90%, 14%, 86% for a speed of 3 rpm and a speed of 5 rpm of 62%, 38%, and 62% respectively. The treatment of a rotation speed of 3 rpm produces the highest levels of fertility, mortality, and hatchability.
Penentuan Nilai Optimum Konsentrasi KMnO4dan Minyak Jarak pada Kemasan Aktif Bioplastik Ni Kadek Tia Putri Ana; Ni Luh Yulianti; I Putu Surya Wirawan
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 12 No 2 (2024): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2024.v12.i02.p05

Abstract

Active packaging is an innovative packaging concept to maintain quality and increase product shelf life where active compounds added to the packaging can interact with food products and the environment, so research on active packaging is worth dev eloping. This study aims to produce the most optimum combination of KMnO 4 concentration and castor oil concentration to produce bioplastic active packaging characteristics that are in accordance with SNI Standards and International standards, and to determ ine the mathematical model of tensile strength response, elongation, elasticity, using Response Surface Methodology (RSM). Data was processed using Design Expert ® 12 software. The results of testing and analysis obtained a quadratic model on the observed responses. KMnO 4 concentration of 1.75% and castor oil concentration of 1% was the optimum combination selected. The verification test results showed the actual value of tensile strength 18.56 MPa, elongation 0.02 % modulus young 659.15 MPa. The response o f the combination of KMnO4 concentration and optimum castor oil concentration has a desirability value of 0 . 751% indicating that 75.1% of the expected response criteria can be met.
Modifikasi Penampung Slurry pada Bioreaktor Portabel Penghasil Biogas I Putu Karisma Yogi; I Putu Surya Wirawan; Gusti Ngurah Apriadi Aviantara
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 12 No 2 (2024): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2024.v12.i02.p06

Abstract

Using PVC tarpaulin as a slurry container in portable bioreactors has a high potential for leakage. This research aims to determine the ability of a 200 - liter High - Density Polyethylene (HDPE) plastic tube to contain slurry in a portable bioreactor with an airtight (anaerobic) biogas fermentation process. The equipment design is carried out structurally (includes calculating the volume of the reactor tube, volume of the gas c hamber, and volume of the slurry chamber) and functionally (includes making the inlet channel, residue outlet channel, and gas channel). The parameters tested include temperature, pH, and biogas pressure. The research results showed that fermentation of a mixture of pig manure slurry and water for 25 days produced a biogas volume of 0.0487824 m3, the resulting temperature was 20 o C - 29.9 o C (mesophilic), and the pH value of the slurry during the fermentation process was 6.3. HDPE plastic tubes can be used as s lurry containers because they can carry out the fermentation process in an airtight (anaerobic) manner
Pengaruh Kombinasi Limbah Jagung Ketan (Zea mays ceratina) dan Kotoran Sapi pada Proses Pengomposan dengan Bioaktivator Berbeda di Desa Lokasari I Gede Yoga Juni Sastrawan; I Putu Surya Wirawan; Ni Luh Yulianti
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 1 (2023): April
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2023.v11.i01.p05

Abstract

The potential waste of glutinous corn, cow dung, and local microorganisms (MOL) has not been utilized properly in Lokasari Village. Simple technology can use as a material for composting agricultural waste. This study aims to obtain the effect of the combination of material composition with the addition of different types of bioactivators on the quality of the composting results according to the Indonesian National Standard (SNI) 19-7030-2004. Compost ingredients are glutinous corn waste and cow dung. The bio activator materials used are banana weevil, Gamal leaves, and stale rice with a fermentation process for 2 weeks with the addition of molasses and rice washing water. The container used is a tubular bamboo basket with a height of 40 cm and a diameter of 40 cm. The research method used a two-factor factorial randomized block design. The first factor is the combination of the composition of glutinous corn waste and cow dung with 5 treatment levels, there are K1 (100%:0%), K2 (75%:25%), K3 (50%:50%), K4 (25%:75% ), and K5 (0%:100%). The second factor is the type of bio activator with 3 treatment levels, there are B1 (MOL banana weevil), B2 (MOL Gamal leaf), and B3 (MOL stale rice). The results showed that the combination of glutinous corn waste and cow dung with different types of bio activators had a very significant effect on temperature and C-organic, and significantly different on yield, N total, and C/N ratio. The composition of glutinous corn waste and K5B1 cow dung produced compost with the best average quality meeting SNI standards, there are pH 6.94, water content 36.47%, C-organic 28.87%, N-total 1.56%, and C/N ratio 18.49%.
Pengaruh Ketebalan dan Suhu Pengeringan Terhadap Karakter Fisik dan Sensoris Buah Naga Merah Kering Dinda Mar’atuzzahwa; I Made Supartha Utama; I Putu Surya Wirawan
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 1 (2023): April
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2023.v11.i01.p06

Abstract

Red dragon fruit (Hylocereus polyrhizus) is a type of tropical plant that can adapt to changes in weather and fruit production every season is very abundant. Drying is the process of reducing the moisture content in the material so that the material can be stored relatively long. This study was conducted to find out the effect of drying thickness and temperature on the physical characteristics and sensorical characteristics of dried red dragon fruit. This research method used a Randomized Block Design (RBD) with 2 factors namely drying temperature (60 °C, 70 °C and 80 °C) and fruit thickness (0.5 cm, 0.75 cm, and 1 cm). Each treatment combination unit consists of 9 slices of fresh red dragon fruit and each combination of treatment is repeated 3 times. Parameters observed include water content, water activity, texture, yield, color difference, total dissolved solids, and organoleptic tests. The data of this study was tested with analysis of variance, if significant differences were found, followed by Duncan's testing. The results of the study provided the results that the thickness and drying temperature exerted a noticeable influence on the physical and sensory character of dried red dragon fruit. The treatment of a thickness of 0.75 cm and a drying temperature of 80 oC exerts a significant effect on the yield of dried dragon fruit. best with a water content value of 13.75 %, water activity of 0.65, texture of 36.48, yield of 16.28 %, color difference of 23.03, total sugar of 8.30 oBrix, and organoleptic test value of 3.44, aroma of 3.40, texture of 4.84, taste of 4.84, and favorite level combination value of 4.84.
Perbandingan Produksi Biogas BiodigesterBatchdan Kontinu pada Instalasi Biogas Kotoran Ternak Rosurya Situmorang; I Putu Surya Wirawan; I Made Anom Sutrisna Wijaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 12 No 2 (2024): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2024.v12.i02.p18

Abstract

Biogas technology is an appropriate technology for treating livestock manure anaerobically by utilizingm ethanogenic bacteria to produce methane gas (CH4). Biogas uses renewable and flammable livestock manure raw materials with a clean methane (CH4) gas content and no black smoke. This study aims to obtain biogas production with the same length of fermentation time to obtain a comparison of batch and continuous biogas biodigester production in livestock manure biogas installations. The research began with a biodigester design using Microsoft paint and making a biodigester tool. The ratio of the combination of faeces and water is 1:1. The research was conducted in two trials, namely: a single batch biodigester containing 228 kg and a continuous batch of 228 kg with the addition of a mixture of raw materials once in three days of 18 kg. Both trials were observed every day using a U manometer to analyze batch and continuous biodigester biogas production. Based on the analysis of the specifications of the biodigester used, the capacity of the reactor tube is 0.254 m3, the raw material content capacity is 0.19 m3, the volume of the biogas chamber is 0.06 m3. The batch biodigester has a maximum pressure on day 25 of 104060.7 Pa with a production volume of biogas of 0.0616199 m3. The continuous system biodigester has a maximum pressure on day 25 of 105330.9 Pa with a production volume of biogas of 0.0623721 m3. Based on the trials, it was concluded that continuous biogas production produces higher pressure and volume of biogas than batches. The production of biogas once filled has the potential to produce more optimal biogas in a batch biodigester, while continuous biogas production will result in continued biogas production every day
Co-Authors Ana, Ni Kadek Tia Putri Angga Mahendra Arta, I Wayan Roli Aviantara, I Gusti Ngurah Apriadi Dinda Mar'atuzzahwa Dinda Mar’atuzzahwa Fhergie Dwi Lestari Matasik Gusti Ngurah Apriadi Aviantara Hardiano Tarigan Henggar Jaya, Gigieh I Dewa Ketut Sastrawidana I Gede Yoga Juni Sastrawan I Gusti Ketut Arya Arthawan I Gusti Ngurah Apridi Aviantara I Kadek Agus Ana I Ketut Trisna Adi Putra I Made Anom Sutrisna Wijaya I MADE SUPARTHA UTAMA I MADE SUPARTHA UTAMA I Nengah Suastawa I Putu Ari Susila Aditya I Putu Cahya Windu Adi I Putu Gede Budisanjaya I Putu Karisma Yogi I Wayan Eko Candra Deva I Wayan Roli Arta I. A. G. Bintang Madrini Ida Ayu Gede Bintang Madrini Ida Ayu Rina Pratiwi Pudja Janurianti, Ni Made Defy Joshua Christianto KOMANG AYU NOCIANITRI Luh Gede Gita Gowinda Mulyana Utami Maharani, Ni Putu Dewi Pradnya Malpindo Ambarita Maria Wardiani Popi Muhamad Ragil Zafansyah Muhdan Syarovy Mukhes Sri Muna Muna, Mukhes Sri Ni Kadek Eva Candra Devi Ni Kadek Tia Putri Ana Ni Luh Yulianti Ni Luh Yulianti Ni Made Rahayu Chintya Dewi Dewi NIZAR NASRULLAH Pande Ketut Diah Kencana pande ketut diah kencana Pande Putu Raditya Premananda Meranggi Radi Rina Pratiwi Pudja I. A Rosurya Situmorang Sihombing, Mistiyeni P Sihombing Situmorang, Rosurya Sri Markumningsih Sumiyati Sumiyati Tarigan, Hardiano Vebiulina Simanjuntak Wayan Tika Yogi, I Putu Karisma Yohanes Setiyo Zafansyah, Muhamad Ragil