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PERAN PUPUK ORGANIK SUPER BOKASHI MA-11 TERHADAP PERTUMBUHAN DAN HASIL PANEN UBI JALAR (Ipomea batatas L.) Sulaiman, Lisaholit; Maruapey, Ajang; Riskawati, Riskawati
AGRILAND Jurnal Ilmu Pertanian Vol 13, No 1 (2025): Agriland: Jurnal Ilmu Pertanian
Publisher : Universitas Islam sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/agr.v13i1.11326

Abstract

Khususnya di bagian timur Indonesia, seperti di Kabupaten Sorong Papua Barat Daya, ubi jalar (Ipomoea batatas L.) merupakan sumber pangan lokal yang krusial untuk mendukung ketahanan pangan. Penelitian ini mengeksplorasi pengaruh pupuk organik Superbokashi MA-11 terhadap perkembangan dan hasil panen ubi jalar. Eksperimen tersebut menggunakan Rancangan Acak Kelompok (RAK) dengan empat perlakuan dosis pupuk organik Superbokashi MA-11 yang terdiri dari 4 taraf. Parameter yang diamati mencakup jumlah daun, panjang sulur, jumlah umbi per tanaman, jumlah umbi per petak, serta diameter dan panjang umbi, dan berat hasil per umbi, per tanaman, dan per petak. Analisis sidik ragam (ANOVA) diterapkan untuk mengevaluasi perbedaan antar perlakuan. Selanjutnya, uji Beda Nyata Terkecil (BNT) digunakan untuk menganalisis data perbedaan hasil penelitian. Temuan penelitian menunjukkan bahwa penerapan pupuk organik Superbokashi MA-11 memiliki dampak signifikan pada pertumbuhan dan hasil panen ubi jalar. Perlakuan A2 (5 g/tanaman) memberikan hasil produksi umbi tertinggi, yaitu 3,93 kg per petak, diikuti oleh perlakuan A3 (6,25 g/tanaman) dengan hasil 3,78 kg per petak. Hasil ini menunjukkan bahwa Superbokashi MA-11 dapat menjadi pilihan yang efektif, ramah lingkungan, serta berkelanjutan dalam usaha budidaya ubi jalar di Distrik Matawolot, Kabupaten Sorong.
Penggunaan LMS Google Classroom pada Materi Persamaan dan Pertidaksamaan Linear Satu Variabel Kelas VII Riskawati, Riskawati
Indonesian Journal of Science, Technology, Engineering, Art, and Mathematics Education Vol. 2 No. 1 (2023): May 2023
Publisher : Indonesian Journal of Science, Technology, Engineering, Art, and Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33578/

Abstract

To support educational goals and facilitate the learning process, a media is needed so that it can achieve learning goals. The purpose of this study was to find out the use of LMS google classroom on material linear equations and inequalities for one class VII variable. The approach used in this research is descriptive qualitative research. In the implementation of the LMS using the Problem Based Learning learning model. Subjects between 10 class VII students (control) in class and 10 students VII (experimental) in a Google classroom at the UPTD school of SMP Negeri 1 Kalabahi. Judging from the results of the N-Gain score of 10 students in class VII (control) in the N-Gain class the score was 0.35141122 at the Criterion level of "Medium" N-Gain level. While the results of the percentage of the N-Gain score, namely 35.14112204, are in the "Less Effective" N-Gain Effectiveness Interpretation Category and the N-Gain results of 10 students VII (experimental) in the Google classroom, namely 0.664, are in the "Medium" N-Gain level Criteria. While the results of the percentage of N-Gain score, namely 66.4, are in the "Quite Effective" N-Gain Effectiveness Interpretation Category.
Research Trend of Computational Thinking in Phiysics Learning: a Bibliometric Analysis from 2015 to 2024 Riskawati, Riskawati; Rusdiana, Dadi; Abdurrahman, Abdurrahman; Hendra, Hendra
Jurnal Pendidikan Progresif Vol 15, No 2 (2025): Jurnal Pendidikan Progresif
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpp.v15i2.pp1041-1060

Abstract

Research Trend of Computational Thinking in Phiysics Learning: a Bibliometric Analysis from 2015 to 2024. This study performs bibliometric analysis to examine research development on CT in physics education for the years spanning 2015-2024. Objective: The study seeks to outline the research and intellectual history of Computation Thinking (CT) integration within a specific framework by examining its spatial development in terms of the primary contributors CT’s development through analyzing cumulative research, leading journals, contributing countries, dominant scholars, thematic networks and the changes of key topics over time. Methods: From the Scopus database, 345 peer-reviewed journal articles were selected. To visualize research networks, VOSviewer was used, while Bibliometrix in R Studio was used to analyze publication trends, author contributions, journal impact, citations, and assess the citation patterns of work over time. Findings: From the Scopus database, a total of 345 peer-reviewed journals were selected. The quantitative data analysis involving visualization of research networks was done using VOSviewer, while Bibliometrix (R Studio) was used for evaluation of publication and author contributions in relation to impact, citation, and trends. Findings indicate significant growth in research focused on Computational Thinking (CT) in Physics Education, with an overarching 33.86% annual increase, peaking in 2023. The research covers 156 journals, with the most prolific being Education and Information Technologies. The evaluation emphasized the exceptional worldwide collaboration with 1,216 authors from countries like the United States, Indonesia, and China. Intent phrase clusters included “computational thinking”, “augmented reality”, and “STEM education” indicating an emphasis on the integration of CT with advanced technologies. The evolution of themes indicates movement from STEM simulations to more expansive virtual reality and critical thinking. Conclusions: The advancements in physics education and students' problem-solving skills, as well as teaching innovations through International collaborations, have begun using Computational Thinking CT). Keywords: computational thinking, physics education, bibliometric analysis, vosviewer, bibliometrix.
Storage Stability Analysis of Crude Amylase Extract from Banana Peel by Solid State Fermentation Wakiah, Nurul; Fadillah, Ummu Farah; Sudirman, Sudirman; Riskawati, Riskawati
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9855

Abstract

Banana peel is a carbohydrate-rich by-product with potential as a fermentation substrate for enzyme production. This study aimed to evaluate the amylase production and storage stability of enzymes obtained through solid-state fermentation (SSF) of banana peel flour using Bacillus subtilis and Bacillus licheniformis. Fermentation was conducted for 24 and 48 hours, followed by crude enzyme extraction and storage for 24 hours at room temperature. Proximate analysis revealed banana peel flour contained 78.64% carbohydrates and 46.24% starch, supporting its suitability as a fermentation medium. The highest amylase activities were 50.36 IU/mL/min (B. subtilis) and 56.33 IU/mL/min (B. licheniformis) after 24 hours, with comparable values at 48 hours. However, enzyme activity declined by over 78% after 24 hours of storage, indicating low stability at room temperature. These findings confirm that banana peel flour is an effective, low-cost substrate for amylase production via SSF. Nevertheless, stabilization strategies post-fermentation are crucial to preserve enzyme activity during storage. This study highlights the dual benefit of converting agricultural waste into valuable enzymes and supports further research on improving enzyme shelf-life for industrial applications.
ANALISIS KETERAMPILAN BERARGUMENTASI (COMMUNICATION SKILL) CALON GURU SEBAGAI BENTUK PENGUATAN KETERAMPILAN ABAD 21 Akhfar, Mariani; Idris, Ihfa Indira Nurnaifah; Riskawati, Riskawati
Al-Irsyad Journal of Physics Education Vol 4 No 2 (2025): Juli 2025
Publisher : Sekolah Tinggi Keguruan dan Ilmu Pendidikan Darud Da'wah Wal Irsyad Pinrang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58917/ijpe.v4i2.311

Abstract

Lulusan program pendidikan diharapkan memiliki hard skill dan soft skill yang terasah secara optimal. Salah satu keterampilan penting yang harus dimiliki oleh calon guru adalah kemampuan berargumentasi. Penelitian ini bertujuan untuk mengkaji dan mendeskripsikan keterampilan berargumentasi (communication skill) calon guru sebagai bagian dari penguatan keterampilan abad ke-21. Penelitian ini menggunakan metode deskriptif dengan lokasi penelitian di Universitas Pancasakti Makassar pada program studi Pendidikan Fisika. Partisipan dalam penelitian ini berjumlah 45 mahasiswa angkatan 2022–2024. Instrumen yang digunakan berupa soal esai yang telah tervalidasi. Keterampilan berargumentasi diukur berdasarkan lima indikator, yaitu claim, data, warrant, backing, dan rebuttal. Argumentasi yang baik mencakup kelima indikator tersebut. Hasil penelitian menunjukkan bahwa indikator claim dan data memperoleh persentase tertinggi sebesar 70% dengan kategori kuat, sedangkan indikator warrant, backing, dan rebuttal masih berada pada persentase sekitar 40% dengan kualifikasi cukup. Temuan ini menunjukkan bahwa mahasiswa cenderung hanya mampu menyajikan bukti data, namun belum menguasai seluruh komponen keterampilan berargumentasi secara menyeluruh.
Pengaruh Knowledge Sharing dan Employee Enggement Terhadap Kinerja Karyawan Pada Perusahaan PDAM Kota Palopo Riskawati, Riskawati; Made Diah Ratna Dewi; Ni Luh Saras Santi; Raba Natahanie; Budiarti Putri Uleng
Movere Journal Vol. 7 No. 2 (2025)
Publisher : Sekolah Tinggi Ilmu Ekonomi (STIE) Tri Dharma Nusantara Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53654/mv.v7i2.641

Abstract

This research aims to determine (1) the influence of knowledge sharing andemployee engagement, (2) the influence of knowledge sharing on employee performance,(3) and the influence of employee engagement on employee performance at PDAM KotaPalopo. The population in this study is all employees at PDAM Kota Palopo, with a samplesize of 30 according to Roscoe's statement. The data analysis techniques used aredescriptive analysis, validity and reliability tests, and multiple linear regression analysis.The results of the study indicate that (1) knowledge sharing and employee engagementsimultaneously have a significant effect on the performance of PDAM Kota Palopoemployees, meaning that the first hypothesis in this study is accepted. This is proventhrough the F-test results with a significance value of 0.000 < 0.05. (2) Knowledge sharingpartially has a significant effect on the performance of PDAM Kota Palopo employees,meaning that the second hypothesis in this study is accepted. This was proven through thet-test results with a probability value of 0.000 < 0.05. (3) Employee engagement alsopartially significantly influences the performance of PDAM Kota Palopo employees,meaning that the third hypothesis in this study is accepted. This was proven through the ttest results with a probability value of 0.032 < 0.05.
Desain Sistem Monitoring Suhu Berbasis Arduino sebagai Media Pembelajaran Fisika Riskawati, Riskawati; Melati, Amelia Puspita; Thahir, Nur Fadillah; Nock M, Jesika; Padliani, Iin; Winarti, Widya
Journal Artificial: Informatika dan Sistem Informasi Vol. 3 No. 2 (2025): Oktober 2025
Publisher : Pustaka Digital Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54065/artificial.685

Abstract

Pemantauan suhu merupakan aspek krusial dalam berbagai bidang, mulai dari rumah tangga, laboratorium, hingga aplikasi industri, di mana kestabilan suhu sangat memengaruhi proses dan hasil kerja. Namun, banyak sistem pemantauan suhu yang tersedia masih memiliki keterbatasan dari segi biaya, kompleksitas, dan aksesibilitas bagi pengguna umum. Berdasarkan latar belakang tersebut, penelitian ini bertujuan untuk merancang dan mengimplementasikan sistem pemantauan suhu yang sederhana, efektif, dan berbiaya rendah dengan memanfaatkan platform mikrokontroler Arduino. Penelitian ini menggunakan pendekatan design research yang terdiri dari tahap analisis kebutuhan, perancangan sistem, implementasi melalui simulasi, serta evaluasi hasil. Sensor suhu TMP36 digunakan untuk membaca nilai suhu lingkungan, yang kemudian ditampilkan secara real-time melalui layar LCD 16x2. Prototipe sistem dikembangkan menggunakan simulator berbasis Tinkercad, yang memungkinkan proses pengujian dan validasi tanpa memerlukan perangkat keras fisik. Hasil simulasi menunjukkan bahwa sistem mampu mendeteksi dan menampilkan suhu dengan akurasi yang baik dan respons waktu yang cepat. Antarmuka yang dirancang bersifat user-friendly, sehingga sistem dapat dioperasikan dengan mudah oleh pengguna tanpa latar belakang teknis. Selain itu, penelitian ini mengindikasikan peluang pengembangan lebih lanjut melalui integrasi dengan teknologi Internet of Things (IoT), guna memungkinkan pemantauan suhu secara jarak jauh. Dengan demikian, sistem ini dapat menjadi solusi efisien dan praktis untuk kebutuhan pemantauan suhu skala kecil maupun sebagai media pembelajaran dalam bidang elektronika dan fisika.
A Content Analysis of Nature of Science in Indonesian High School Physics Textbooks Nurazmi, Nurazmi; Riskawati, Riskawati; Yusal, Yulianti
Unnes Science Education Journal Vol. 14 No. 2 (2025): August 2025 Issue in Progress
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/usej.v14i2.26416

Abstract

Understanding the Nature of Science (NoS) is now widely recognized as an important component in cultivating students’ scientific literacy. NoS can be manifested through textbooks used to facilitate learning of physics in the classroom. The purpose of this study is to describe the proportion of NoS represented in five popular physics textbooks used in Indonesian high schools and the strategy for presenting NoS in those textbooks. The data were obtained through analyzing the NoS aspects in five similar chapters of each textbook using the framework and scoring rubric. The results of this study revealed that none of the five books analyzed contains complete aspects of NoS. The aspect of dimension of science shows the highest proportion in the five textbooks. However, the aspect of inferential, tentative, and creative aspects are poorly represented or even not addressed at all. Besides, these aspects are mostly delivered implicitly. The results of this study are expected to be a positive input for the revision of the textbooks in the future.
SOSIALISASI PEMANFAATAN LIMBAH SAGU DALAM MENDORONG PERTANIAN BERKELANJUTAN DAN PENGEMBANGAN EKONOMI INDUSTRI KREATIF BAGI MASYARAKAT KAMPUNG BATU LUBANG Rosalina, Febrianti; Rawi, Rais Dera Pua; Wahyudien, Mohammad Arief Nur; Riskawati, Riskawati; Gafur, Muzna Ardin Abdul
JURNAL PENGABDIAN KEPADA MASYARAKAT Vol. 29 No. 4 (2023): OKTOBER-DESEMBER
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jpkm.v29i4.50662

Abstract

Tujuan kegiatan ini adalah meningkatkan pengetahuan serta keterampilan masyarakat dalam mengolah limbah menjadi produk pertanian, serta menumbuhkan semangat jiwa kewirausahaan dalam mengembangkan dan menunjang perekonomian masyarakat yang ada di Kampung Batu Lubang. Metode yang diterapkan dalam kegiatan pengabdian terdiri dari beberapa tahap kegiatan diantaranya adalah Survei lapangan, tahap persiapan, tahap pelaksanaan serta monitoring dan evaluasi keberhasilan program. Berdasarkan hasil kegiatan sosialisasi dan pelatihan yang dilakukan, diperoleh data bahwa tingkat pengetahuan pengolahan limbah sagu menjadi pupuk organic meningkat dari 31,43% menjadi 88,57%, tingkat keterampilan pembuatan pupuk organic meningkat dari 28% menjadi 85,14%, tingkat pengetahuan terkait pengolahan lahan dan budidaya tanaman meningkat dari 38,29% menjadi 80,57%, dan tingkat pengetahuan terkait pengembangan sumber daya manusia dalam mendorong pertanian berkelanjutan berbasis ekonomi industry kreatif meningkat dari 28% menjadi 77,14%. Tingkat pengetahuan masyarakat tentang pembuatan pupuk kompos secara langsung terkait dengan kemampuan mereka dalam memanfaatkan sumber daya lokal, mengurangi dampak negatif terhadap lingkungan, dan menciptakan peluang ekonomi di sektor industri kreatif. Oleh karena itu, sosialisasi, pelatihan, dan penyuluhan yang lebih baik dalam hal ini dapat menjadi kunci dalam mendukung pertumbuhan perekonomian lokal dan industri kreatif yang berkelanjutan.
Co-Authors Abdurahman Abdurrahman Adindi, Satria Agus, Nurfadillah Ahmad Afif Ainun Jariyah Akhfar, Mariani Amir Lukum, Amir Ana Dhiqfaini Sultan, Ana Dhiqfaini Anti Kinas, Arni Arief Fitrah Istiyanto Aslim, Muhammad Auliyani, Siti Baso Akib Budiarti Putri Uleng Damayanti Damayanti Dewi Hikmah Marisda Eli Ermawati Eliyah Acantha Manapa Sampetoding Fadillah, Ummu Farah Fajri, Nofias Fakhrimantho, Agus Fatihanursari, Fatihanursari Fitrah, Andi Nurul Gafur, Muzna Ardin Abdul Hadijah Hadijah Handayani, Yuni Hardianti, Fatimah Harmonika, Sri Hasin, Ardiansah Hasnah Natsir Hendra Hendra Herman, Nurul Muthmainnah Hilmi Najamudin, Muhammad Hudriati, Andi Idris, Ihfa Indira Nurnaifah Iin, Iin Jafar, Agustina Jalil, Erniwati Juliana, Ana Junianti, Fitri Kaso Sanusi, Dirgah Lestari, Rianti Indah Lisalohit, Sulaiman Made Diah Ratna Dewi Mahmudah, Zuhrotul Malibela, Yulia Katrina Mappeasse, Muh Yusuf Mardiana, Lina Marhani Marhani Maruapey, Ajang Maswati Baharuddin Mayor, Felia Imelda Mega, Bayu Lesta Melati, Amelia Puspita Mohammad Arief Nur Wahyudien Muh. Khalifah Mustami MUHAMMAD HASBI Muhammad Irham Muhammad Kasran Munawarah Munawarah, Munawarah Mutahharah Hasyim, Mutahharah Ni Luh Saras Santi Nock M, Jesika Nur Khaerani Busri Nur Samsi, Andi Nurazmi, Nurazmi Nurwijayanti Padliani, Iin Pani, Rahmayatul Putri, Astrina Wulan Raba Natahanie Ratnawati Ratnawati Rawi, Rais Dera Pua Rezki Hamzah, Ria Rezki natsir, Andi Dian Sry Rizki Rinaldi, Ade Rombe, Wanti Rosalina, Febrianti Salwa Rufaida Sangadji, Zulkarnain Satriani Satriani Seniwati Dali Sindi, Sindi Sri Agustini Sri Rosita Sri Wulan, Sri Sudirman Sudirman Sukmawati Sukmawati Sulaiman, Lisaholit SULFIANA, SULFIANA Suparni Sampetan, Suparni Susi Ekawati Taqwin, Muhammad Thahir, Nur Fadillah Tjandi, Yunus Tri Handayani Amaliah Wakiah, Nurul Wardan, Kharisma Dewi Sukma Wardana, Anita Winarti, Widya Yulianti Yusal, Yulianti Yusri Handayani Yusri Yusri Zakariah, Mohd Ihwan Bin