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Buletin Poltanesa
Published by Politeknik Pertanian Negeri Samarinda
ISSN : 14120097     EISSN : 26148374     DOI : 10.51967/tanesa.v21i2.326
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Computer Science & IT Education
Buletin Poltanesa is a collection of research articles, scientific works, and dedication from all academic community in order to integrate information. Buletin Poltanesa provides open publication services for all members of the public, both in all tertiary educational and teacher environments and other research institutions, with the freedom to exchange information that is dedicated to facilitating collaboration between researchers, writers and readers through information exchange. Buletin Poltanesa was introduced and developed in Research Department of Politeknik Pertanian Negeri Samarinda Buletin Poltanesa is published periodically twice a year, in June and December, this bulletin contains the results of research activities, discoveries and ideas in the field all multidisciplinary sciences. Hopefully with the articles in cultivation researchers can share knowledge in order to advance Indonesia, especially East and North Borneo.
Arjuna Subject : Umum - Umum
Articles 555 Documents
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Organoleptic and Physicochemical Profile Comparison of Cow Milk Yogurt and 'Eggurt' Made from Different Egg Whites Ridawati, Ridawati; Alsuhendra, Alsuhendra
Poltanesa Vol 25 No 2 (2024): December 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i2.3180

Abstract

Yogurt is a widely consumed fermented dairy product known for its distinctive flavor, nutritional value, and health benefits. To expand its nutritional profile and enhance textural qualities, this study explores the use of egg whites as an alternative ingredient in yogurt production. The research compares the sensory and physicochemical properties of traditional milk yogurt with "eggurt" a yogurt variant made using different egg white sources: free-range chicken, caged chicken, and duck eggs. Four samples were prepared, including one control (milk yogurt) and three “eggurt” variants. Sensory quality was evaluated through organoleptic testing using a structured Likert scale to assess attributes such as color, surface gloss, aroma, mouthfeel, and flavor. Physicochemical analysis included moisture content, total dissolved solids, viscosity, ash content, and acidity measurements. Results showed that free-range “eggurt” was most like milk yogurt in terms of texture and flavor, displaying balanced viscosity and minimal surface liquid separation. In contrast, caged “eggurt” exhibited increased surface liquid, higher ash content, and stronger acidity, while duck eggurt was noted for its excessive thickness, very high viscosity, and pronounced acidity. These textural and compositional differences, despite the higher production costs, suggest that free-range “eggurt” is the most promising alternative, offering a comparable sensory experience to traditional yogurt while enhancing texture and overall quality.
Method for Determining the Number of Maintenance Personnel Wijaya, Andi Rahadiyan
Poltanesa Vol 25 No 2 (2024): December 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i2.3181

Abstract

Reducing the number of workers (downsizing) is a strategic step for companies to increase their competitiveness. With downsizing, worker productivity is expected to increase; therefore, the company's financial performance can improve. For the quantitative accuracy of downsizing to be achieved, it is necessary to measure the workload of the related work. Measuring the workload on maintenance work is difficult because of the varying nature of the work activities (e.g., frequency, duration, complexity). This study aims to develop a method for calculating the number of workers working in maintenance. The developed method is based on a combination of time study and RAM (Reliability, Availability, Maintainability) methods. The number of maintenance workers is determined by calculating the Full-time equivalent value (the ratio between the actual total working hours and the maximum scheduled working hours). A full-time equivalent value greater than one indicates a workload that is too large (over-utilized), and a full-time equivalent value of less than one indicates a workload that is too small (underutilized). The method developed was then tested in a case study on maintenance work at a mining company. The results show that the proposed method can be used as input for decision-makers in determining the number of workers on maintenance work.
Optimization Of MSME Sector For Accelerating Regional Development: An Empirical Case Study Of Jabodetabek Agglomeration Area Satrianto, Heri; Wicaksono, Baghas Budi; Kusnawan, Agus
Poltanesa Vol 25 No 2 (2024): December 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i2.3182

Abstract

This study elaborating the optimization of MSMEs as a key driver of regional development in the Jabodetabek Agglomeration Area, emphasizing their vital role in shaping local economy performance. Using a quantitative approach that integrates collecting secondary data and processing with STATA Software, this research highlights its finding to find which variables that most determine MSME performance in Jakarta agglomeration area. MSMEs generate employment, promote market stability, and foster innovation, offering affordable and competitive alternatives that enhance access to goods and services for diverse income groups. By controlling inflation through price-competitive products. Policymakers can leverage the potential of MSMEs to achieve sustainable regional development by reducing reliance on external markets and enhancing local economic resilience. This research results provide findings that MSMEs not only address immediate economic needs but also establish a foundation for long-term regional sustainability. Their contributions to economic inclusivity, innovation, and resilience make them a cornerstone of balanced, sustainable, and inclusive economic growth in the Jabodetabek region.
Improving Students’ Reading Comprehension through Storytelling Frame Kurniawan, Andri; Amalia, Puji Astuti; Indrawati, Indrawati
Poltanesa Vol 25 No 2 (2024): December 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i2.3183

Abstract

Reading is a basic skill that students must master and enjoy. Through reading, students can increase and improve their knowledge. However, reading is a challenging activity.  Based on the observation, the author found that Elementary students in SDN 012 had low abilities in reading activities. This low reading ability has an impact on limited student participation in reading activities.  Therefore, the author creates a story telling frame and stages of reading activities that can increase student participation in reading activities and improve students' reading skills. There were some stages done by the author. The first was designing a story telling frame, implementing reading activities with students, the second was using a story telling frame with students and teachers and the last was evaluating the story telling frame. The design of storytelling frame used square and round shape stainless in gold color. They were decorated with artificial flowers, dolls and cloth.  The story telling frame was designed based on the theme of the story, which is “where is bear?”. There were 20 students who joined the story telling activity using the story telling frame. The pre-test and post-test on students’ reading comprehension revealed that students have better understanding on reading the text by using story telling frame.
Duolingo Application as A Mean to Deepen Understanding of English Vocabulary by Students of English Educational Department Timor University Siahaan, Desta Gloria; Nahak, Maria Hendrika Kristen Indi; Bouk, Edmundus
Poltanesa Vol 25 No 2 (2024): December 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i2.3189

Abstract

This study aimed to explain the role of the Duolingo application in improving English vocabulary comprehension and to provide valuable insights for educators regarding the potential of digital applications in English language learning. The Duolingo application is expected to help students of the third semester from English Educational Department at Timor University to deepen their understanding of English vocabulary. This research used a qualitative approach, the instruments used in this research were a vocabulary test and a questionnaire. The results of the vocabulary test showed that students who used the Duolingo application had a better understanding of vocabulary. The average test score was 76.7, with the highest was 93.38, indicating that the use of this application was able to provide a deep understanding of vocabulary, the lowest score was 66.7. The results from the questionnaire revealed that 50% of students strongly agreed and 50% agreed that Duolingo helped them quickly correct mistakes after each exercise. However, 60% of students felt that the application's features had a minimal effect on improving their learning experience, while 30% strongly disagreed. In terms of engagement, 60% of students regularly used the Duolingo application to learn English, while 40% did not. Furthermore, 80% of students felt that learning English became easier with Duolingo, while 20% agreed. 50% of students strongly agreed that the features within the application assisted in the learning process, while the other 50% agreed. 50% of students felt more enthusiastic about learning with this application, and the other 50% also agreed. The engagement and flexibility of the application were recognized as motivating factors for students to continue learning, with 50% strongly agreeing and 50% agreeing. However, there were challenges related to the use of community features. Only 20% of students strongly agreed that they were engaged with community features such as forums or study groups, while 40% disagreed and 40% strongly disagreed. On the other hand, 60% of students felt that motivational elements such as rewards and challenges influenced how often they used the application to study. In conclusion, the Duolingo application proved to be effective in deepening English vocabulary comprehension among third semester students of the English Educational Department at Timor University. This research provided valuable insights into the effectiveness of the Duolingo application as a tool for learning English vocabulary among students.
Community Typology and Voting Behavior in Elections: A Political Sociology Perspective Alwi, Alimin; Ram, St. Wijdanah
Poltanesa Vol 25 No 2 (2024): December 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i2.3190

Abstract

 Regional head elections (Pilkada) are a democratic process that reflects the social dynamics of society in choosing leaders in regional elections, using a sociological approach to understand the social facts of society. This research aims to analyze typologies that influence voter preferences.  This research uses qualitative methods with a case study approach in several regions that hold regional elections. Data was obtained through in-depth interviews, observation and documentation studies. The research results show that society can be classified into several typologies, such as pragmatic voters, ideological voters, and traditional voters. Pragmatic voters tend to vote based on personal interests or direct benefits, while ideological voters place more emphasis on the candidate's vision, mission and work program. Meanwhile, traditional voters are influenced by cultural factors, kinship, or personal relationships with candidates. Social factors such as campaign intensity, influence of public figures, and access to information also play an important role in shaping voter preferences. These findings show that voting behavior patterns are not only determined by rational aspects, but also by social and cultural values ​​inherent in society.  This research makes an important contribution in understanding voter behavior from a sociological perspective, which can be a reference for stakeholders in designing political strategies that are more inclusive and responsive to community needs. Apart from that, the results of this research can also enrich the study of political sociology, especially in the context of local democracy in Indonesia.
Optimized Configuration and Operation Of Isolated Microgrid Systems For Rural Electrification: Baron Technopark Prawitasari, Adinda
Poltanesa Vol 25 No 2 (2024): December 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i2.3192

Abstract

Microgrid systems represent a significant advancement in energy supply technologies, particularly for rural communities lacking access to electricity; however, these systems are predominantly reliant on diesel generators (DG). The formulation and selection of suitable configurations, alongside operational patterns, must be meticulously evaluated in the pursuit of economically viable and dependable microgrid systems. Consequently, this research sought to devise an optimal configuration and operational for microgrid systems situated in isolation, utilizing the Baron Techno Park (BTP) in Indonesia as a case study. The optimization process was executed utilizing HOMER software, integrated with an operating cost comparison, with particular emphasis placed on daily load fluctuations, the selection of control algorithms, the reconfiguration of the power supply system, and the regulation of diesel generator operational hours. The proposed microgrid system yielded a surplus energy production of 16.7%, a renewable fraction (RF) of 100%, a levelized cost of electricity (LCOE) of $5.6 per kWh, a net present cost (NPC) of $3,97M. In summary, the study shows that by slightly increasing the capital cost of PV system procurement, it can reduce the operating cost of $629 from the base system in the long term.
Implementation of Breathing Exercises at Home in Hypertension Patients in Adults Aged 36-45 Years Ola, Fransiska Keron
Poltanesa Vol 25 No 2 (2024): December 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i2.3198

Abstract

Hypertension is one of the diseases of the cardiovascular system that has high mortality and morbidity rates. High blood pressure in hypertensive patients can be treated with pharmacological and non-pharmacological therapy. One of the non-pharmacological therapies is deep breathing relaxation therapy. This study aims to determine the effectiveness of deep breathing relaxation therapy on reducing blood pressure in patients with hypertension. The sample in this study were patients with hypertension in Kelurahan Jawa, RT 19 and RT 26 Samarinda as many as 40 respondents. The design of this study was to use a Cluster-randomized trial design by conducting a cluster randomized controlled trial with a 1:1 community-based intervention and control group. The results of the study above show that the systolic blood pressure value before being given deep breathing relaxation therapy was 160.451 mmHg and the systolic blood pressure after being given deep breathing therapy was 130 mmHg. And the diastolic blood pressure before being given deep breathing therapy was 98 mmHg and the diastolic blood pressure after being given deep breathing therapy was 84.35 mmHg. In this study, the confidence level taken was 95% with 5% (0.05). Based on statistical analysis using paired sample T-test, the systolic blood pressure value was 0.001. This means that the value is smaller than 5% (0.05) so that H0 is rejected, which means that there is an effect of deep breathing relaxation therapy on reducing blood pressure in people with hypertension. The average systolic blood pressure value after being given deep breathing relaxation therapy was 30.46 mmHg and the average diastolic blood pressure after being given deep breathing relaxation therapy was 84.35 mmHg. There was a decrease in the respondents' blood pressure after being given deep breathing relaxation therapy, namely systolic blood pressure of 130 mmHg and diastolic blood pressure of 84.35 mmHg. Based on statistical analysis using paired sample T-test with a confidence level taken at 95% with 5% (0.05), the diastolic blood pressure value was 0.001 and the diastolic blood pressure value was 0.001. This shows that deep breathing relaxation therapy is effective in lowering blood pressure in hypertensive patients. This study recommends that deep breathing relaxation therapy is effective in lowering blood pressure (systolic and diastolic) in hypertensive patients.
The Influence of Attractiveness, E-Wom, and Social Factors on Interest in Visiting Tugu Khatulistiwa, Pontianak City Arweni, Arweni; Octaviani, Dina; Ariffin, Muchammad; Rawa, Ricola Dewi; Kelvin , Kelvin
Poltanesa Vol 25 No 2 (2024): December 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i2.3203

Abstract

This study discusses the influence of attractiveness, Electronic Word of Mouth (E-WOM) and social factors on the interest in visiting Tugu Khatulistiwa of Pontianak City in the tourism sector. This research is focused on the people of Pontianak City who have an interest in visiting Tugu Khatulistiwa. In this research, the type and data to be used is quantitative research with a survey method approach to achieve research objectives, namely identifying the role of e-wom appeal and social factors on visiting interest at the Tugu Khatulistiwa, Pontianak City. Using purposive sampling method involving 150 respondents. Hypothesis testing of this study was carried out with Structural Equation Modeling (SEM-PLS) with the Warp-PLS version 8.0 analysis tool. The results of this study reveal the important role of Attractiveness, E-WOM and Social Factors in influencing tourist interest in visiting a tourist destination. From the calculation of the coefficient value and significance value, there is a positive influence between Attractiveness and E-Wom on the interest in visiting the Pontianak Tugu Khatulistiwa, while the coefficient value and significance value of Social Factors do not have a positive influence on the interest in visiting the Pontianak Tugu Khatulistiwa. These findings provide valuable insights for the tourism industry in developing more effective and attractive marketing strategies. The practical implications of this research can help related parties in increasing attractiveness, promotion and factors that can shape a person's interest in visiting Tugu Khatulistiwa
Computational Thinking in Developing Students’ Reading Comprehension Skill Amalia, Puji Astuti; Kurniawan , Andri; Fahmimroah, Feti; Arditiya, Arditiya
Poltanesa Vol 25 No 2 (2024): December 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i2.3204

Abstract

Understanding and interpreting text is a crucial component of reading comprehension. This process might be hampered by several problems, which affect students' capacity to understand meaning. However, there are several strategies that can be applied regarding this issue. The first is using appropriate reading techniques, especially computational thinking. And the second is using visual aid. Students' understanding can be improved by using visual aids like graphic organizers or pictures to help them visualize ideas and relationships in the text. The purpose of this study was to produce a story mapping card as a visual aid that can help students understand English texts better. The development was carried out through the method of formulating problems, collecting data, designing products, validating designs, revising designs, conducting trials, drawing conclusions. The results of the study showed that the story mapping card was valid and ready to use. The results of the assessment of the story mapping card were an average of 4.5 with a very good category, the indicator of the benefits of the story mapping card for students got a total average value of 4.5 with a very good category and the indicator of ease of use of the story mapping card in the reading stage for teachers with a total average value of 4.4 with a very good category.

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