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All Journal JBIO: jurnal biosains (the journal of biosciences) Jurnal Biologi dan Pembelajarannya (JBP) BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Jurnal Biologi Tropis Bioma : Jurnal Biologi Indonesia Pendas : Jurnah Ilmiah Pendidikan Dasar Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Kreativitas PKM Jurnal Review Pendidikan dan Pengajaran (JRPP) JURNAL PENDIDIKAN MIPA Abdimas UNWAHAS : Jurnal Pengabdian Masyarakat UNWAHAS Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Best Journal (Biology Education, Sains and Technology) Spizaetus: Jurnal Biologi dan Pendidikan Biologi Jurnal Pendidikan dan Pembelajaran Indonesia (JPPI) SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Indonesian Science Education Research (ISER) Jurnal Abmas Negeri (JAGRI) Jurnal Tarbiyah dan Ilmu Keguruan Borneo TUNAS: Jurnal Pendidikan Biologi Journal of Education Technology Information Social Sciences and Health Edutainment : Jurnal Ilmu Pendidikan dan Kependidikan Jurnal Biosilampari: Jurnal Biologi
Wina Dyah Puspita Sari, Wina Dyah
Program Studi Biologi, Universitas Negeri Medan
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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Exploration and Utilization of the Zingiberaceae Family in the Durin Serugun Forest, Sibolangit District, Deli Serdang Regency Gita Gabriela Parapat; Wina Dyah Puspita Sari
Jurnal Biologi Tropis Vol. 26 No. 1 (2026): Januari-Maret
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.v26i1.10812

Abstract

This study aims to identify the species of the Zingiberaceae family found in the Durin Serugun Village Forest and determine their potential use by the local community, especially in the food and health sectors. The methods used were field exploration, interviews with the Karo people, phytochemical tests to detect secondary metabolites in Zingiberaceae rhizomes, and dendogram analysis to determine the phylogenetic relationships between species. The results showed that there are 13 Zingiberaceae species with morphological characteristics and secondary metabolite content such as alkaloids, saponins, tannins, and flavonoids. The community uses rhizomes for traditional medicine to treat various diseases and as a kitchen spice. Dendogram analysis divided the species into two main clusters that reflect morphological similarities and phylogenetic relationships. This study provides an overview of traditional uses as well as the conservation value of Zingiberaceae diversity in the area.
Analisis Kadar Nitrogen dan pH Tanah pada Dua Titik Lahan Budidaya Cabai IP2MP Gurgur Kecamatan Tampahan Kabupaten Toba Sumatera Utara Silaban, Tiolina; Spanic, Gebryella; Pasaribu, Gresalla; Anastasya Sihotang, Katrina; Simatupang, Magdalena; Dyah Puspita Sari, Wina
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 Nomor 02, Juni 2026 Public
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.52039

Abstract

This study aimed to analyze and compare total nitrogen levels and soil pH at two chili cultivation sites at the IP2MP Gurgur Experimental Garden, Tampahan District, North Sumatra. Sampling was conducted purposively at two different locations: the center of the field with wilted chili plants and the surrounding area with normally growing plants. Total nitrogen levels were analyzed using the Kjeldahl method, while soil pH was measured using electrometry. The results showed that total nitrogen levels at site 1 were 0.20% (low), while at site 2 they were 0.26% (moderate). The soil pH at site 1 was 7.56 (neutral to slightly alkaline) and at site 2 it was 7.95 (alkaline). These differences in nitrogen levels and soil pH affected chili plant growth, with plants at site 2 showing better growth than those at site 1. Variations in nitrogen levels and soil pH are important factors influencing chili plant growth, necessitating proper soil fertility management to increase land productivity.
Pengaruh Model Problem Based Learning (PBL) Berbantuan Aplikasi Solar System Scope Terhadap Kemampuan Berpikir Kritis Siswa pada Materi Sistem Tata Surya Kelas VII UPT SMP Negeri 29 Medan Tia Rahmatun Amanda; Wina Dyah Puspita Sari
Journal of Education Technology Information Social Sciences and Health Vol. 5 No. 2 (2026): September 2026
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/jetish.v5i2.9167

Abstract

Kemampuan berpikir kritis merupakan salah satu keterampilan penting yang harus dimiliki siswa dalam pembelajaran IPA abad ke-21, namun pada kenyataannya kemampuan tersebut masih tergolong rendah karena pembelajaran yang cenderung berpusat pada guru dan kurang memanfaatkan media pembelajaran interaktif. Penelitian ini bertujuan untuk mengetahui pengaruh model Problem Based Learning (PBL) berbantuan aplikasi Solar System Scope terhadap kemampuan berpikir kritis siswa pada materi Sistem Tata Surya, serta mengetahui peningkatan kemampuan berpikir kritis pada tiap indikator setelah penerapan model tersebut. Penelitian dilaksanakan di UPT SMP Negeri 29 Medan pada tahun ajaran 2025/2026 dengan menggunakan metode quasi experiment dan desain Non-Equivalent Control Group Design. Populasi penelitian berjumlah 256 siswa kelas VII, sedangkan sampel penelitian terdiri atas dua kelas dengan total 64 siswa yang dipilih sebagai kelas eksperimen dan kelas kontrol. Instrumen penelitian berupa tes kemampuan berpikir kritis yang diberikan melalui pre-test dan post-test. Berdasarkan hasil uji hipotesis menggunakan Independent Samples t-test yang menunjukkan nilai signifikansi (Sig. 2-tailed) sebesar 0,000, lebih kecil dari taraf signifikansi 0,05 (0,000 < 0,05), sehingga dapat disimpulkan bahwa terdapat pengaruh yang signifikan dari penerapan model Problem Based Learning (PBL) berbantuan aplikasi Solar System Scope terhadap kemampuan berpikir kritis siswa. Peningkatan kemampuan berpikir kritis pada kelas eksperimen berada pada kategori sedang dan tinggi. Indikator kemampuan berpikir kritis dengan pencapaian tertinggi pada kelas eksperimen adalah Strategy and Tactics sebesar 74%, sedangkan pada kelas kontrol sebesar 58%. Dengan demikian, model PBL berbantuan aplikasi Solar System Scope efektif dalam meningkatkan kemampuan berpikir kritis siswa pada materi Sistem Tata Surya.
Co-Authors Abdul Rasyid Fakhrun Gani Aisyah Karina Putri Aisyah Karina Putri Al-Murizka Annisa Ali Ahmatul Umri Hasibuan Anastasya Sihotang, Katrina Anita Kairani Aryeni Aryeni Aryeni, Aryeni Ashar Hasairin Aswarina Nasution Aswarina Nasution Aulya, Indri CICIK SURIANI Diah, Mela Karsih Anin Dwi Indriany Emilia, Esi Ermy Veronica Sitompul Erni Rukmana Fimansyah, Wira Firmansyah, Hardi Gaol, Ayu Renta Lumban Ghania Dhia Ulhaq Lubis Gita Gabriela Parapat HANDAYANI, DINA Hanifah Ariqoh Hardi Firmansyah Hary Prakasa Indah Purnama Sari Dalimunthe Indri Aulya Isfahani Isfahani Isfahani, Isfahani Iza Ayu Saufani Kanaya Yori Damanik Khairiza Lubis Koriatul Jannah Siregar Lazuardi Lazuardi Lubis, Rizanti Aulan Wazuhratun Manalu, Widya Amelia Masdiana Sinambela Mhd Yusuf Nasution Mira Rangkuty, Sailana Muhammad Ruskhan Fauza Nadia Mubarokah Pasaribu, Gresalla Purba, Nadia Puspita Sari Putri Wulandari Putri Zainab Nasution Rahel Alesia Sirait Rahmadini, Fathia Ratna Anjaning Kusuma Marpaung, Dwi Rezeqi, Salwa Risti Rosmiati Ritonga, Yusron Efendi Rizanti Aulan Wazuhratun Lubis Silaban, Tiolina Simatupang, Magdalena Spanic, Gebryella Suci Rahmawati, Suci Sunita Karin Purba Syadilah Ramadani Siregar Tia Rahmatun Amanda Widia Ningsih Yusran Efendi Ritonga Yusran Efendi Ritonga Yusran Efendi Ritonga Yusran Efendi Ritonga Yusran Efendi Ritonga Yusran Efendi Ritonga