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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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Land Surface Temperature Estimation Using Landsat 9 Satellite Imagery in Lamongan Regency, Indonesia Noraini, Alifah; Sudiasa , I Nyoman
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.v25i2.2228

Abstract

Gerbangkertasusila area (Gresik, Bangkalan, Mojokerto, Surabaya, Sidoarjo, and Lamongan) is a target area for accelerating economic development. Land use change are one of the phenomena that often occur in districts that have the potential for developing the area, one of the areas that has the potential to become a Creative Economy Zone is Lamongan Regency. This study aims to estimate changes in Land Surface Temperature (LST) in Lamongan Regency by utilizing Landsat 9 satellite imagery. Landsat 9 satellite imagery is processed based on a temperature algorithm for estimating temperature calculations. The Landsat 9 satellite was launched in 2021 and is a replacement satellite for the Landsat 8 satellite. The Landsat 9 satellite has 9 (nine) spectral bands and 2 (two) thermal bands. Estimation of LST uses band 4, band 5, and band 10. The LST algorithm used is the mono window algorithm. The mosaic process was carried out on path 118 raw 65 and path 119 raw 65. The results showed that the Lamongan Regency area has a greenish level with a value range of (-0.611) to 0.5 which is dominated by medium density levels. The estimation results of LST in Lamongan Regency are dominated by temperatures in the range of 23°C – 26°C with the highest temperature being 29°C – 33°C.
The Influence of Brand Equity, Brand Ambassador, and Brand Trust on Purchase Decisions of Somethinc Consumers in Jakarta Jessicha Tanujaya; Carunia Mulya Firdausy
Poltanesa Vol 26 No 1 (2025): June 2025
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i2.2966

Abstract

The demand for local skincare products in Jakarta has grown significantly, with Somethinc emerging as a key player in 2024. This study examines the impact of brand equity, brand ambassador, and brand trust on consumer purchase decisions for Somethinc products in Jakarta. A quantitative approach was employed, with data collected through an online questionnaire distributed to 384 respondents selected via purposive sampling (criteria: Jakarta residents aged 17–40 who purchased Somethinc products in the past year). The data were analyzed using partial least squares structural equation modeling (PLS-SEM) in SmartPLS 4 to assess the relationships between variables. The results reveal that all three factors—brand equity (β = 0.28, p < 0.01), brand ambassador (β = 0.22, p < 0.05), and brand trust (β = 0.35, p < 0.01)—positively and significantly influence purchase decisions, with brand trust exhibiting the strongest effect. These findings align with prior research emphasizing trust as a critical driver in the beauty industry, where perceived reliability and product efficacy are paramount. The study also highlights the role of local brand ambassadors in enhancing credibility and emotional connection with younger consumers. Practical implications suggest that Somethinc should prioritize long-term trust-building (e.g., transparency in ingredients, post-purchase engagement) and leverage ambassador partnerships to strengthen equity. Future research could explore cultural or generational moderators in other Indonesian regions.
Enhancing Geographic Information System Skills through Boundary Mapping Training at Pesantren Rahmatullah, Lempake, Samarinda Stefano, Andrew; Endayani, Sri
Poltanesa Vol 25 No 1 (2024): June 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i1.2990

Abstract

This program designed to enhance the skills and knowledge of students and teaching staff at Pesantren Rahmatullah (Islamic boarding school) regarding the use of Geographic Information System (GIS) technology in boundary mapping. The initiative was launched recognizing the importance of understanding territorial boundaries in the context of natural resource management, development planning, and disaster mitigation in the surrounding areas. The training includes a series of theoretical sessions and field practices. The first stage involves learning how to gather coordinate points in the field using the Garmin 60 CSX GPS device. The second stage focuses on field data processing and coordinate data correction, covering basic GIS knowledge, introduction to GIS software, and usage of Autodesk Map software and Arc GIS 10.8. The third stage is the scaled printing of processed field data. The duration of the training is one semester, following the curriculum set by the Rahmatullah Islamic boarding school. This training aims to equip participants with the necessary skills to produce accurate and informative boundary maps, which will later serve as tools for decision-making and strategic planning at Rahmatullah Lempake Islamic boarding school in Samarinda. Additionally, this activity also aims to enhance the boarding school’s awareness and capacity in utilizing geographic information technology for educational and environmental management purposes.
Mathematical Model of Basal Stem Rot (BSR) Disease Spread in Oil Palm Plants Zahroni, Teguh Rizali; Fahrizal, Fahrizal
Poltanesa Vol 25 No 1 (2024): June 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i1.3003

Abstract

This study discusses the stability analysis of mathematical models for the spread of Basar Stem Rot(BSR) in oil palm plants. In developing this mathematical model, several assumptions are taken to obtain a model that is suitable for the spread of BSR disease. The resulting model is a system of first-order nonlinear differential equations with three variables. This research includes both analytical and numerical analysis. Analytical analysis includes determination of equilibrium points and local stability analysis, while numerical analysis is conducted using Microsoft Excel application. From this study, two equilibrium points were found with stability conditions that depend on the fulfillment of certain conditions. One important result obtained is that the equilibrium point will be locally stable if and only if α > μ and b > √D, where D is the discriminant of a quadratic equation. After analyzing analytically, the study continued with numerical simulations to illustrate and test the analytical results. Numerical results in the form of graphs show that the solution of the system is stable, which indicates that the disease will be endemic under certain conditions and time. This research provides a deeper understanding of the dynamics of the spread of BSR and the conditions that affect the stability of the spread of the disease. With this analysis, it is expected to contribute to efforts to control BSR disease in oil palm plants. In addition, this research also opens opportunities for the development of similar mathematical models for other plant diseases.
Bilingual Skills in Learning for Islamic Education Students in the International Special Class Program (KKI) at Sultan Aji Muhammad Idris State Islamic University Samarinda Marroh, Zahrotul Istianah; Pimada, Luluk Humairo; Achmad, Andi
Poltanesa Vol 25 No 1 (2024): June 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i1.3011

Abstract

This research departs from the importance of foreign language skills as one of the efforts to improve the competencies that must be possessed by every teacher or prospective Islamic Religious Education teacher. Therefore, in improving these competencies, a program is needed that is designed to form language skills for Islamic Education students who will become Islamic Education Teachers in the future. To support this program, the International Special Class at Sultan Aji Muhammad Idris State Islamic University Samarinda   has developed a curriculum to support the advancement of students' foreign language skills in both English and Arabic. International special class management is needed in harmonizing the international special class curriculum (KKI) with concepts and activities related to language both English and Arabic in daily life in the classroom. The KKI program is expected to be able to compete with international universities as well with the provision of foreign language during their special class program. The Arabic language proficiency formation program for PAI students in the International Special Class Program (KKI) uses two programs TOAFL and Muhadharah. The English language proficiency formation program for PAI students in the International Special Class Program (KKI) has two language proficiency formation programs TOEFL and Public Speaking. This program is certainly supported by lecturers who speak English and Arabic to support this learning. It is hoped that alumni of the international special class (KKI) at Sultan Aji Muhammad Idris State Islamic University Samarinda   can improve human resources and services to the community.
Community Vulnerability to Lake Drought in Muara Enggelam Village Anwar, Yaskinul; Muhammad, Irmawati; Nurlita, Aulia; Mislan, Mislan
Poltanesa Vol 25 No 1 (2024): June 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i1.3015

Abstract

Drought vulnerability epitomizes a community's capacity to cope with drought-related calamities. In Muara Enggelam Village, the susceptibility to lake drought stems from diminished rainfall and lake water levels plummeting below 4.5 meters, as documented by the Mahakam River observation station in Kota Bangun. Consequently, the study focuses on the manifestation of lake drought vulnerability within Muara Enggelam Village. The research methodology encompasses a multifaceted approach involving observation, documentation, interviews, and questionnaires to gauge vulnerability levels. These assessments were based on key indicators of exposure, sensitivity, and adaptive capacity. Employing a cluster random sampling technique, 75 respondents were selected to represent the village population. Data analysis entailed the application of scoring and weighting methodologies. The outcomes of the study reveal that Muara Enggelam Village falls within Zone D, denoting high sensitivity as the primary component of vulnerability. Specifically, the indicators yield values of 0.41 for exposure intensity (EI), 0.81 for sensitivity intensity (SI), and 0.49 for adaptive capacity intensity (CI). The highest sensitivity observed in the village can be attributed to factors such as low-income levels and a significant proportion of the population engaged in fishing activities. In conclusion, this research sheds light on the intricate dynamics of drought vulnerability in Muara Enggelam Village, emphasizing the urgent need for targeted interventions to bolster the community's resilience against future drought events.
Research Dynamics in Social Entrepreneurial Orientation: A Bibliometric Analysis Based on Citations and Publications Kurniawan, Kurniawan; Iskandar, Yusuf
Poltanesa Vol 25 No 1 (2024): June 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i1.3026

Abstract

This paper explores the dynamic field of Social Entrepreneurial Orientation (SEO), which melds entrepreneurial tactics with social goals, aiming to address pressing societal issues such as poverty and environmental sustainability. This study examines SEO's academic discourse and impact through a systematic bibliometric analysis spanning thirteen years (2011-2024), employing data from key databases like Scopus and Web of Science. The research illustrates significant growth in SEO scholarship, evidenced by increasing publications and citations, highlighting the field's expanding influence across academic and practical domains. Our analysis utilizes VOS Viewer for trend analysis, author influence mapping, and thematic clusterization, revealing a rich tapestry of collaborative research and evolving themes such as innovation and sustainability. The findings suggest that while the field has robust scholarly engagement, there is room for methodological advancement to enhance the long-term understanding of SEO's impacts. This study underscores the importance of SEO in fostering sustainable business practices and proposes strategic frameworks that can guide future research, policy-making, and business strategies, aiming to integrate entrepreneurial vigor with societal well-being. Through this scholarly inquiry, the paper contributes to a deeper understanding of SEO's role in driving social change and emphasizes the need for global and interdisciplinary collaborations to tackle broad societal challenges effectively.
Bibliometric Evaluation of Work-Life Balance Research Developments from A Global Perspective Fitriyani, Desy; Iskandar, Yusuf
Poltanesa Vol 25 No 1 (2024): June 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i1.3027

Abstract

Maintaining a healthy work-life balance has emerged as a pressing concern in contemporary society, given the relentless pace of the modern world and the relentless pursuit of career success. This paper employs a bibliometric approach to delve into the landscape of work-life balance research, delving into trends, pivotal themes, and collaboration dynamics among scholars. The methodology hinges on meticulous data collection from esteemed academic databases, followed by comprehensive analysis facilitated by bibliometric software. The findings underscore a burgeoning interest in work-life balance inquiry, underscored by a dual focus on the detrimental repercussions of work-family conflict and the advantageous outcomes of attaining equilibrium. The analysis sheds light on influential authors shaping the discourse, pivotal research themes driving the field forward, and prospective avenues for further exploration. These insights hold significance for academia, industry practitioners, and policymakers alike. By unpacking the implications of this research, organizations, individuals, and society stand to gain. It underscores the imperative of fostering work-life balance not only for individual well-being but also for optimizing organizational effectiveness. Moreover, the paper emphasizes the nuanced interplay between work and personal life, advocating for strategies that facilitate harmony between the two realms. Recognizing the multifaceted nature of work-life balance, it calls for tailored interventions and policies that acknowledge diverse needs and preferences. By fostering an environment conducive to balance, organizations can enhance employee satisfaction, productivity, and retention rates. Simultaneously, individuals can lead more fulfilling lives characterized by holistic well-being and fulfillment across various domains. In essence, this research contributes to a deeper understanding of work-life balance dynamics, offering actionable insights for stakeholders across different spheres.
Work Conflict Map: A Bibliometric Review of Key Elements and Their Development Teratai, Nona Ratu Syifa Putri; Iskandar, Yusuf
Poltanesa Vol 25 No 1 (2024): June 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i1.3030

Abstract

Work conflict is a pervasive phenomenon within organizational dynamics, garnering significant scholarly attention due to its multifaceted nature and profound impact on organizational performance and individual well-being. This bibliometric review scrutinizes the evolving landscape of work conflict literature, aiming to identify key trends, thematic clusters, and future research directions. By systematically analyzing a corpus of publications retrieved from reputable academic databases, including Scopus and Web of Science, this study provides a comprehensive overview of prevailing research themes and their development over time. Through methods such as overlay visualization, influential author analysis, clustering analysis, and density visualization, this study illuminates the intricate interplay between various constructs associated with work conflict, such as stress, job satisfaction, burnout, and leadership. Key findings underscore the evolving nature of work conflict research, highlighting emergent themes such as the impact of the pandemic, health-related concerns, and gender-specific experiences. Moreover, the study emphasizes the importance of proactive conflict management strategies and organizational support mechanisms in mitigating the negative consequences of work conflict. The findings of this study have significant implications for both researchers and practitioners, providing valuable insights into the current state of knowledge regarding work conflict and guiding future research endeavors aimed at fostering collaborative and innovative organizational cultures. Keywords: Work conflict, Bibliometric review, Research trends, Conflict management, Organizational dynamics.
Education of Cardiovascular Disease in the Elderly through Health Seminars and Health Corner Silitonga, Hanna Tabita Hasianna; Panggabean, Ronald Torang Marsahala; Rambung, Etha; Adrianto, Hebert; Sheyoputri, Rytney Electra; Xena, Leora Esther
Poltanesa Vol 25 No 1 (2024): June 2024
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v25i1.3032

Abstract

Advanced age or elderly refers to individuals who have reached the age of 60 and above. According to data from the National Socioeconomic Survey in March 2020, there is a total of 10.48%, consisting of 51.81% elderly women and 48.19% elderly men. The elderly population undergoes the aging process, making them at a higher risk of degenerative diseases. According to Basic Health Research in 2013, the most common diseases among the elderly are hypertension (57.6%), arthritis (51.9%), stroke (46.1%), dental and oral problems (19.1%), chronic obstructive pulmonary disease (8.6%), and diabetes mellitus (4.8%). Hypertension can lead to other disorders, such as cardiovascular disease. Cardiovascular diseases have a high mortality rate and can be caused by various factors, such as diabetes mellitus and obesity resulting from an unhealthy lifestyle. Therefore, through education on cardiovascular diseases and the formation of elderly cadres and health corners, efforts to prevent cardiovascular diseases in the elderly are expected to be optimally implemented. The main target of this program is the congregation of the Indonesian Christian Church (GKI) in Sepanjang Sidoarjo, Taman District, Sidoarjo Regency. Activities include pre-tests and post-tests related to cardiovascular diseases in the elderly, health seminars, and the establishment of health corners. The results of this activity show that the respondents' knowledge level, assessed through questionnaires, had an average pre-test score of 12.52 and a post-test score of 14.71, indicating a significant change with a p-value < 0.001 meeting the significant level of 95%.

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