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Yohanes Setiyo
Program Studi Teknik Pertanian, Universitas Udayana
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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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.
Dinamika Bahan Organik dan Total Nitrogen Tanah pada Pengelolaan Jerami Padi I Gusti Ayu Evi Sukma Elvayani; Ni Nyoman Sulastri; Yohanes Setiyo
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.p14

Abstract

Rice straw, a major agricultural residue, can be approximately 25 tons/ha post-harvest. Typically managedby farmers through burial or burning, this study aimed to analyze the dynamics of soil organic matter andtotal nitrogen during rice straw management and assess nitrogen mineralization outcomes post-treatment.Employing a Nested Design, the study evaluated three straw management treatments: burial with EM4 (SI),burial without EM4 (SI0), and burning (BR), with sampling locations nested within treatment factors.Laboratory analyses using Walkey and Black's method measured Soil Organic Matter (SOM), whileKjeldahl's method assessed Total Kjeldahl Nitrogen (TKN). Pre and post-treatment SOM content rangedfrom 3.94% to 5.11%, showing no significant impact from straw management (p>0.05). TKN levels variedbetween 0.17% and 0.39%, with burial treatments significantly differing (p<0.05), unlike burning (p>0.05).Nested Design testing revealed significant treatment effects, prompting LSD post-hoc tests. Overall, soilSOM increased after straw management, notably impacted by burning. Post-treatment averages for SOMand TKN were: burial with EM4 (5.11% and 0.34%), burial without EM4 (5.15% and 0.39%), and burning(5.11% and 0.33%).
ANALISIS PROFIL SUHU PADA GREENHOUSE TIPE ARCH UNTUK BUDIDAYA BUNGA KRISAN (Chrysanthemum morifolium) Ni Putu Yuliasih; Sumiyati Sumiyati; Yohanes Setiyo
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 4 No 1 (2016): 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.2016.v04.i01.p01

Abstract

This research was describe about temperature profile on Arch Greenhouse with the curved shape of roof and square wall for Chrysanthemum (Chrysanthemum morifolium) that cultivated on Arch Greenhouse. The aims of this research were to obtain a temperature profile on arch greenhouse, to determine the building height of arch greenhouse which suit for chrysanthemum cultivation. Height treatments of greenhouse was separated by 3 levels i.e. 2.5 m, 3.0 m, and 3.5 m. Chrysanthemum seeds varietys used in this research was Fiji white. To measure the temperature used temperature and humidity meter. Temperature measurement carried out by 2 times start from a week before planting (empty condition) and plant age was 45 days after planting. Doing the measurement on morning, noon, and afternoon. Analysis data of temperature was done with interpolation to determine profile contour line of analysis temperature. The result showed that there are the different shape and contours distribution profile of microclimate for difference height. The level of growth plan on each treatments showed a better productivity on greenhouse with height 2.5 m when compared with the others. Greenhouse with height 2.5 m produced flower quality which suit as the SNI with average of height plan was 81.93 cm, grooming age was 46 days, amount flower was 5 florets per stem, flower wide was 44.26 cm, and dry weight was 13.11 gram.
PENGEMBANGAN ALGORITMA IMAGE PROCESSING UNTUK MENDUGA HASIL PANEN PADI Made Arya Bhaskara Putra; I Made Anom S. Wijaya; Yohanes Setiyo
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 3 No 1 (2015): 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.2015.v03.i01.p04

Abstract

The aims of this research were to develop image processing algorithm that can be used for rice yield estimation. This research consist of: 1) image acquisition, 2) image analysis with Adobe Photoshop Cs 4 and MATLAB R2009B, and 3) make the algorithm that suitable for rice yield estimation. This research was testing three method of image processing, i.e. manual pre-processing, thresholding method, and shape of Structuring Elements (SE). Forming algorithm was done by analyzing image yield and be compare with real image. More like image yield with real image, then this method was suitable for doing rice image analysis. The result of analysis showed that process of rice image analysis have to be started with manual pre-processing, using custom thresholding method, and morphology with SE shape disk. The result image of the algorithm showed the most appropriate grain image with real image, and there’s no more image that identified as a grain. Based on number of pixel, the image yield of this method is 117.407 pixel. In conclusion, the algorithm for estimation of rice yield, consist of: image acquisition, manual pre-processing, gray scaling, thresholding custom, morphology with SE shape disk, image resize, and calculation of the number of pixel grain.
Dampak Penggunaan Naungan Plastik terhadap Profil Iklim Mikro pada Budidaya Kentang Bibit (Solanum tuberosum L) Varietas Granola Kelompok G0 I Putu Tantra Ardika; Yohanes Setiyo; Sumiyati Sumiyati
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 1 (2019): 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.2019.v07.i30

Abstract

The purpose of this study was to (1) determine the microclimate profile of plastic shade with different plastic colors and (2) find out the color of plastic for the appropriate shade to increase the quality of granola G0 potato varieties. This study used a completely randomized design, each consisting of four treatments and three replications, namely treatment without shade, transparent plastic shade treatment, blue plastic shade treatment and red plastic shade treatment. For microclimate measurement, the temperature and humidity meter and light meter are used. Microclimate measurement is done once a week, which is at 12.00 p.m. Analysis of sunlight intensity data was carried out to make profile image in the shade using metose contour lines, while the results of measurements of air temperature, soil temperature, humidity and quality variables obtained were processed using a Microsoft Excel computer program to obta in graphics, then analyzed using the deskiptive method and continued the analysis using variance analysis (ANOVA). The result of the intensity of sunlight is made profile countur, and the result of measurement of air temperature, soild temperature, moisture and variable quality is made graph.The results of the study of solar light intensity show the contour of the profile when the plant is two weeks old, the clear shade distribution profile is 975-1025 lux, the shade is read 675-725 lux, the shade is blue 575-595 lux, while in the eight week old plant, the clear shade is 100-800 lux,  the shade is red 100-700 lux, and the shade is blue 100-400 lux. Average air temperature without shade 26,2 0C, clear shade 26,8 0C, red shade 26,6 0C, blue shade 26,2 0C, average moisture without shade 76%, clear shade 77%, red shade 78%, and blue shade 79%. The treatment of clear shade shows the best quality, that is an average of 4,4 tubers every single tree, average 257,6 grams every single tree and average of 1 tuber every single tree.
Optimalisasi Proses Fermentasi Urin Sap Komang Suteja Pramana; Yohanes Setiyo; I Gst. Ngr. Apriadi A.
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 1 (2019): 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.2019.v07.i13.

Abstract

This study discusses the fermentation of cow urine into bio urine. The purpose of this study was to optimize the fermentation process of bio urine from cow urine by giving starter bio urine. This study used a Completely Randomized Design with four treatments and three repeat. The treatment were without starter bio urine, 10 percent starter bio urine, 20 percent starter bio urine, and 30 percent starter bio urine. Each treatment was giving 1 liters molasses and 1 aerator. The observed variables were the degree of acidity (pH), biochemical oxygen demand, total dissolved solids, electrical conductivity, organic carbon, and nitrogen. The result of this study was the addition of starter no significant effect on the fermentation process of cow urine. But the process of cow urine fermentation can be accelerated from 15 days to 6 days. This is marked by the value of biochemical oxygen demand which has decreased on the 6 day of fermentation. Fermentation result was according on the standard No.70/Permentan/SR.140/10/2011. Of the four treatments in the process of cow urine fermentation, the treatment with no starter of bio urine was the best treatment, the treatment produce electrical conductivity 5622 mS, biochemical oxygen demand 3.3 mg/l, total dissolved sol ids 2811 ppm, acidity pH 5.77, organic carbon 3.77 percent, nitrogen 0.14 percent and C/N ratio 26,93. However, for the nitrogen content of bio urine not enough to meet the Permenta standard was 3-6 percen.
Optimasi Suhu Pengeringan dan Ketebalan Irisan pada Proses Pengeringan Jahe Merah (Zingiber Officinale var. rubrum) dengan Response Surface Methodology (RSM) Desak Agung Hepi; Ni Luh Yulianti; Yohanes Setiyo
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 9 No 1 (2021): 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.2021.v09.i01.p07

Abstract

Drying temperature and thickness of slices are two things that affect the drying process of red ginger. The research was conducted with the aim of obtaining a combination of drying temperature and optimum slice thickness through response surface methodology (RSM), as well as obtaining mathematical models to predict water content, water activity, ash content and evaporation heat energy. Testing was conducted to determine the effect of the temperature and thickness of the slices on the response of water content, water activity, ash content and evaporation heat energy. Data processing using design expert application ® 12. The results showed linear models to predict the response of water levels and ash levels. Quadratic models to predict the response of water activity and evaporation heat energy. Model verification results show the combination of drying temperature and optimum slice thickness selected is 67.30C and 3 mm. The drying process with a combination of drying temperature and optimum slice thickness resulted in an actual water activity value of 0.393 aw, water content of 9.877%, ash content of 3.513% and evaporation heat energy of 68,354 kJ/h. The response of the combination drying temperature and thickness of selected optimum slices can meet the wishes according to the criteria with a desirability value of 81.3%.
Analisis Iklim Mikro di dalam Sungkup PlastikpadaBudidaya Tanaman SeladaKeriting (Lactuca sativa var. cripaL) I Kadek Ari Andika,; Yohanes Setiyo; I Gede Budi Sanjaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 1 (2019): 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.2019.v07.i15.

Abstract

The purpose of this study were to (1) analyze the microclimate within the plastic hood different heights for the cultivation of curly lettuce plants and (2) know the height of the suitable plastic hood on the productivity of the curly lettuce plant. This research using completely randomized design, with four treatments and three replications: SP0 treatment without hood, SP1 treatment of plastic hood height 80 cm with a height of 45cm ventilation, SP2 treatment of plastic hood height 100 cm with a height of 45 cm ventilation, and SP3 treatment of plastic hood height 120 cm with height ventilation 45 cm. The result of this research on treatment of plastic hood height 120 cm obtain highest light intensity at 651.1 lux, got the highest temperature at 24.10C and treatment of plastic lid height 80 cm obtain highest relative humidity at 76.3%. The Treatment hood height plastic of 80 cm obtained the highest productivity of 5.6 g/plant
Pengaruh Variasi Jumlah Perforasi Kemasan terhadap Mutu Kentang Konsumsi (Solanum tuberosumL) Kadek Mahendra Adhi Guna; Ida Ayu Rina Pratiwi Pudja; Yohanes Setiyo
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.p14

Abstract

The high production of potatoes in Indonesia is not balanced with proper post - harvest handling, so many potatoes are damaged during storage. Packaging with perforations can maintain the shelf life of potato tubers. The aim of this research is to determine the effect of packaging perforation on the quality of consumption potatoes during storage and determine treatments that can maintain the quality of consumption potatoes during storage. Research with a completely randomized design (CRD) with packaging perfo ration treatment (0.42%, 0.63%, and 0.84%). Each experimental unit was repeated 3 times. The parameters measured were weight loss, air humidity, air temperature, color difference, and texture of potato tubers. The rate of increase in weight loss for the co ntrol treatment, packaging without perforation, 0.42% perforated packaging, 0.36% perforated packaging, and 0.84% perforated packaging were respectively: 0.09 g/day, 0.025 g/day, 0.036 g/day, 0.051 g/day, 0.058 g/day. The rate of change in air humidity for each treatment was: 0.10%, 0.36%, 0.30%, 0.23%, 0.16%, and the rate of change in packaging temperature was: 0.03 o C/day, 0.056 o C/day, 0.020 o C/day, 0.026 o C/day and 0.033 o C/day. The color difference change rates for each treatment were: 0.24/day, 0.36/day, 0 .26/day, 0.27/day, and 0.23/day. The rates of change in texture of each treatment were: 0.13 /day, and 0.53 N/day, 0.65 N/day, 0.53 N/day, 0.56 N/day and 0.63 N /day. Oxygen adequacy is a parameter determining the quality of stored potato tubers, so the be st treatment is 0,84% perforated packaging with a weight loss value of 8,77%, humidity 69.8%, temperature change 28.8 o C, color difference 6.95, texture 63,4 N
Co-Authors Ali Husyain Sakti Arief Sabdo Yuwono Dandy Zulfikar Sulthan Siata Desak Agung Hepi Desak Agung Hepi Dewa Bagus Putu Prabha Diptaya Gede Arda Gede Jaya Kusuma Putra Guna, Kadek Mahendra Adhi Gusti Bagus Eka Chandra Hadi K. Purwadaria Henggar Jaya, Gigieh I B Werdi Putra I Dewa Gde Mayun Permana I Gede Budi Sanjaya I Gst. Ngr. Apriadi A. I Gusti Ayu Evi Sukma Elvayani I Gusti Ayu Lani Triani I Gusti Ketut Arya Arthawan I Gusti Ketut Arya Arthawan I Gusti Ngurah Apriadi Aviantara I K. Satriawan I Kadek Ari Andika I Kadek Ari Andika, I Made Andi Purnama Wijaya I Made Andi Purnama Wijaya I Made Anom Sutrisna Wijaya I Made Candra Adhi Pramana I Made Dwijantara Putra I Made Merta I Made Mudiarta I Made Nanda Suastika I Made Sudana I Made Suphartha Utama I NYOMAN RAI I Nyoman Semadi I Nyoman Sucipta I Putu Gde Suhartana I Putu Gde Suhartana I Putu Gede Budisanjaya I Putu Surya Wirawan I Putu Tantra Ardika I Putu Tantra Ardika I Wayan Arsa I Wayan Budiarta I Wayan Budiarta I Wayan Edy Wirawan I Wayan Krispedana I Wayan Satrio Wiantara I Wayan Sugiana I Wayan Sugiana I Wayan Tika I Wayan Tika I Wayan Tika I Wayan Widia I Wayan Widia I Wayan Widia I WAYAN WIRAATMAJA I. A. G. Bintang Madrini Ida Ayu Inten Dwi Sulatri Ida Ayu Mahatma Tuningrat Ida Ayu Rina Pratiwi Pudja IDA AYU RINA PRATIWI PUDJA Ida Ayu Rina Pratiwi Pudja Ida Ayu Rina Puja Ida Bagus Putu Gunadnya Ida Bagus Putu Gunadnya Ida Bagus Wayan Gunam Ida Bagus Werdi Putra Jarinsen Yanardo Purba Kadek Mahendra Adhi Guna Kadek Mila Adiani KETUT BUDI SUSRUSA Komang Sri Diah Nirmala Dewi Komang Suteja Pramana Komang Suteja Pramana Lutfi Suhendra M Ikram M. Ahkam Subroto Made Arya Bhaskara Putra Made Arya Bhaskara Putra MADE MERTA Made Nada Made Pila Putra Made S Utama Malpindo Ambarita Merisa - Aritonang Merisa Aritonang Muhdan Syarovy Muna, Mukhes Sri Ni Kadek Eva Candra Devi Ni Kadek Sita Natasha Dewi Ni luh Devi Widyanti Ni Luh Putu Sarasulistian Ni Luh Trimayanti Ni Luh Yulianti Ni Made Eva Yulia Dewi Ni Made Tuhu Yuliani Ni Nyoman Sulastri Ni Putu Ayu Prya Chandani Ni Putu Yuliasih Ni Putu Yuliasih Ni Putu Yuliasih Ni Wayan Diana Sepriani Noviera Inggrit Kurnia NYOMAN SEMADI ANTARA Putu Citra Dewi Radi Rambu Aniny Arista Imelda Eky Rambu Andiny Rina Pratiwi Pudja I. A Ronni Agriva Sembiring roy zulkarnaen Sebastiao Massa Sri Markumningsih Sukma Elvayani, I Gusti Ayu Evi Sumiyati - Sumiyati - Sumiyati Sumiyati Sumiyati Sumiyati Sumiyati Sumiyati Sumiyati Utama, Made S Wayan Tika Yudha Kristyanto Leksono Yudha Kristyanto Leksono Zainul Arifin