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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Jurnal Penelitian dan Pengembangan Pendidikan Mechatronics, Electrical Power, and Vehicular Technology IPTEK The Journal for Technology and Science Academica Journal of Degraded and Mining Lands Management INTEKNA Phinisi Integration Review EnviroScienteae Jurnal GEOSAPTA Jambura Journal of Educational Management Teknologi Indonesia Ketenagalistrikan dan Energi Terbarukan Jurnal IMPACT: Implementation and Action Asyahid Journal of Islamic and Quranic Studies (AJIQS) Jurnal Pengabdian Masyarakat (ABDIRA) Journal Of Khairun Community Services JUITECH: Jurnal Ilmiah Fakultas Teknik Universitas Quality Geosfera: Jurnal Penelitian Geografi JAGE SWARNA: Jurnal Pengabdian Kepada Masyarakat
Muhammad Kasim
Pusat Penelitian Tenaga Listrik dan Mekatronik - LIPI, Kompleks LIPI Jl Sangkuriang, Gd 20, Lt 2, Bandung, Jawa Barat 40135
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Nursing Social Sciences Transportation Other

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The potential of phosphate solubilizing microorganisms (PSM) isolated from different ecosystems on calcareous soils in Timor Island, Indonesia Adu Tae, Anthonius S. J.; Nur, Mahmuddin S.M.; Benggu , Yoke Ivonny; Ishaq, Lily F.; Soetedjo, I N. Prijo; Widinugraheni, Sri; Kasim, Muhammad
Journal of Degraded and Mining Lands Management Vol. 12 No. 3 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.123.7803

Abstract

The study was conducted in three different ecosystems: mamar (a typical local ecosystem close to water catchment areas), farm, and coastal ecosystems. In each ecosystem, soil samples were taken from the rhizosphere of five different plants to investigate the occurrence of PSM, molecularly identify the potential isolates, and evaluate their ability to increase soil phosphorus (P) availability and mungbean yield. The highest population of phosphate-solubilizing bacteria (PSB) was found in the mamar ecosystem. Phosphate-solubilizing fungi were only found in the farm and coastal ecosystems, with low populations, and restricted to the rhizosphere of a few plants. The number of PSB isolates was higher in the coastal ecosystem, followed by the farm and mamar ecosystems. The phosphate solubilizing index of the isolate was quite high, ranging from 210 to 300. One isolate from the five molecularly selected isolates from Kupang regency was identified as Aspergillus sp. (cassava rhizosphere origin), one isolate from the farm ecosystem (Moringa rhizosphere origin), and three isolates from the coastal ecosystem (Jatropha gossypiifolioa, Scheichera oleosa and Calotropis gigantea L. rhizosphere origin) were all identified as Pseudomonas sp. Two selected isolates from a previous study in Timor Tengah Selatan regency, collected from the mamar ecosystem (bamboo and Leuchaena leucocephala rhizosphere), were both identified as Acinetobacter baumannii. Inoculation of PSB resulted in higher available soil P compared to the uninoculated treatment. PSB inoculation also provided higher tissue P than the uninoculated treatment. PSB from coastal areas gave the highest pod weight and seed weight compared to other inoculation treatments.  
Peningkatan Kapasitas Petani Kelompok Tani Pelangi melalui Penyuluhan Edukatif dan Praktik Pengelolaan Hama Ramah Lingkungan Nenotek, Petronella S.; Kadja, Don H.; Ludji, Rika; Simamora, Agnes V.; Hahuly, Mayavira V.; Nahas, Agustina E.; Kasim, Muhammad
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 5, No 3 (2025): Abdira, Juli
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v5i3.765

Abstract

The main issue faced by Kelompok Tani Pelangi (Pelangi Farmer Group) in lowland rice cultivation is the frequent attack of pests and diseases, such as brown planthopper, rice stem borer, and rice bug. To control these pests, most farmers still rely heavily on synthetic pesticides without considering their impacts on beneficial organisms and the environment. This Community Partnership Programme aims to enhance farmers' capacity in environmentally friendly pest management through educational outreach and field-based practices. The methods employed in this programme include educational sessions, hands-on field demonstrations, interactive discussions, and questionnaire-based evaluations. The material delivered covered the identification of pests and diseases in rice, the introduction and implementation of eco-friendly pest control strategies, correct use of synthetic pesticides, and the role and function of refugia plants in conserving natural enemies. Evaluation results indicated a positive impact on the knowledge of farmer group members: 98% were able to identify pest types and their symptoms, 67% recognised predators in the field, 50% understood the principles of appropriate pesticide use, 60% comprehended the negative impacts of pesticides, and 44% recognised the benefits of refugia plants in the rice agroecosystem. The active participation of farmers during discussions and practical sessions reflects a behavioural shift towards sustainable farming practices. This Community Partnership Programme (PKM) has proven effective in improving ecological awareness and technical skills among members of Kelompok Tani Pelangi and is recommended as a model for empowering farmers in surrounding areas through the Integrated Pest Management (IPM) approach.
Geologi Wilayah Tapaluluo dan Sekitarnya, Kabupaten Gorontalo Rasyid, Fajri Fitrah Fidianto A.; Zainuri, Ahmad; Kasim, Muhammad
Journal of Applied Geoscience and Engineering Vol 1, No 1 : Juni 2022
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1234.609 KB) | DOI: 10.34312/jage.v1i1.15502

Abstract

The research area is geographically located at coordinates 0041'30” – 0045'00” North Latitude and 12300'30” – 12303' 35” East Longitude with an area of ± 41 Km2. The method used in this research is scientific exploration by conducting a survey of surface geological mapping. It is carried out in the preparation of literature, tools and materials, the data collection stage is in the form of geomorphological data, stratigraphy, geological structure measurements and documentation. The data processing stage is in the form of laboratory analysis, namely conducting petrographic analysis and processing geological structure data in the form of joints and faults using the stereographic method. The geomorphology of the research area is divided into three geomorphological units, namely; lava flow ridge units, intrusion hills, and fault zone hill units. The study area is divided into three rock units informally in order from oldest to youngest, namely: andesite porphyry unit (early-middle Miocene), granodiorite unit (middle-late Miocene), and modified andesite porphyry unit (middle-late Miocene). The geological structure of the study area consists of joints, Tapaluluo Fault, and Botupololondalange Shear Fault. The geological potential of the research area is in the form of mineralization and rock mining.
DINAMIKA SISTEM SOSIAL BUDAYA DAN DAMPAKNYA TERHADAP INTEGRASI BANGSA DI INDONESIA Kasim, Muhammad
Phinisi Integration Review Volume 8 Nomor 2 Tahun 2025
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/pir.v8i2.74089

Abstract

Penelitian ini bertujuan untuk menganalisis dinamika sistem sosial budaya dan dampaknya terhadap integrasi bangsa di Indonesia. Dalam masyarakat yang multikultural, dinamika sosial budaya berperan penting dalam memperkuat atau melemahkan integrasi bangsa. Melalui metode penelitian literatur, berbagai aspek sistem sosial budaya yang berkontribusi terhadap integrasi bangsa akan dikaji dengan fokus pada pengaruh faktor-faktor seperti globalisasi, modernisasi dan teknologi terhadap kehidupan sosial masyarakat. Hasil penelitian menunjukkan bahwa dinamika sosial budaya yang dikelola dengan baik dapat memperkaya identitas nasional, memperkuat toleransi dan membangun semangat persatuan. Sebaliknya, jika tidak dikelola dengan bijak, dinamika ini berpotensi menimbulkan konflik, pergeseran nilai budaya, dan disintegrasi sosial. Oleh karena itu, penting untuk terus memperkuat pendidikan nilai kebangsaan, pelestarian budaya lokal, serta penguatan komunikasi antar kelompok sosial agar keberagaman tidak menjadi sumber perpecahan melainkan kekuatan pemersatu bangsa.This study aims to analyze the dynamics of the socio-cultural system and its impact on national integration in Indonesia. In a multicultural society, socio-cultural dynamics play an important role in strengthening or weakening national integration. Through the literature research method, various aspects of the socio-cultural system that contribute to national integration will be studied with a focus on the influence of factors such as globalization, modernization and technology on the social life of society. The results of the study indicate that well-managed socio-cultural dynamics can enrich national identity, strengthen tolerance and build a spirit of unity. Conversely, if not managed wisely, these dynamics have the potential to cause conflict, shifts in cultural values, and social disintegration. Therefore, it is important to continue to strengthen national value education, preserve local culture, and strengthen communication between social groups so that diversity does not become a source of division but a unifying force for the nation.
Permanent magnet generator performance comparison under different topologies and capacities Wirtayasa, Ketut; Kasim, Muhammad; Widiyanto, Puji; Muqorobin, Anwar; Wijanarko, Sulistyo; Irasari, Pudji
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 16, No 3: September 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v16.i3.pp1516-1527

Abstract

This paper compares the magnetic, electrical, and mechanical characteristics of two permanent magnet generator topologies: single-gap axial flux and single-gap inner rotor radial flux. The study aims to identify how the key parameters fluctuate at each power capacity and investigate the trends in their values as power changes. The power capacities observed are 300 W, 600 W, 900 W, 1200 W, and 1500 W. Simulations used with the help of Ansys Maxwell software to obtain: i) magnetic characteristics without load, including air gap flux density, flux linkage, and induced voltage, ii) electrical performance, consisting of armature current, terminal voltage, voltage regulation, total harmonic distortion, core loss and output power, and iii) mechanical performance, including shaft torque and cogging torque. The last step compares the power density of both topologies. The simulation results show that the axial flux permanent magnet generator (AFPMG) has better air gap flux density, voltage regulation, total harmonic distortion (THD), efficiency, electromagnetic torque, and power density characteristics. Meanwhile, the radial flux permanent magnet generator (RFPMG) is superior in induced voltage and output power. These results conclude that, in general, AFPMG is exceptional from a technical point of view and is more economical when applied to hydro or wind energy systems.
Co-Authors A.A. Ketut Agung Cahyawan W Abriani, Andi Adu Tae, Anthonius S. J. Agustaman, Rukmini Ahmad Zainuri Akbar Akbar Anhar Khalid Anwar Muqorobin Asrul Sudiar, Asrul Banto, Abdul Thayib Benggu , Yoke Ivonny Cahyani, Rinova F Deden, Mokoagow Deden Don Harrison Kadja Fitriana, - Hahuly, Mayavira V. Haling, Abdul Hamsiati, Hamsiati Hermansyah Hermansyah Hikmawan, Muhammad Fathul Hilman Syaeful A Syaeful A Hilman Syaeful Alam Hutagalung, Ronal I Nengah Sandi Intan Noviantari Manyoe ISHAQ, LILY Ludji , Rika Ludji, Rika Muhammad Anas MUHAMMAD HASBI Muhammad Yahya Murdjani, Murdjani Nahas, Agustina E. Nenotek, Petronella S. Norhafani, Norhafani Norhafani, Norhafani Noviar Akase Nur, Mahmuddin S.M. Nurhikmah, Nurhikmah H Permana, Aang Panji Peters O Bako Pudji Irasari Puji Widiyanto, Puji Putranto, Faried Ardian Rachman, Arianzah Rizki Ramli, Abdul Malik Rasyid, Fajri Fitrah Fidianto A. Sarira, Matius Tina Setiono Setiono Sigit Mujiarto Siti Fatimah Soetedjo, I N. Prijo Soetedjo, IN. Prijo Sukma Aditya Talip, Muhammad Amin Tandi Rubak, Yuliana Triyani, Mayang Diva umar, Risky Wahidin Wahidin Widinugraheni, Sri Wijanarko, Sulistyo Wirtayasa, Ketut Yasinta L. Kleden Yoga Yuniadi