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Terey Citha Siregar
Universitas Negeri Medan
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Survey of the Use of Indonesian and Regional Languages in the Department of Geography Education, Faculty of Social Sciences, State University of Medan, Class of 2024 Angraini Oktavia Hutapea; Terey Citha Siregar; Puput Gloria Zega; M Surip
BRIGHT VISION Vol 6, No 2 (2026)
Publisher : Faculty of Tarbiyah nad Teacher Training

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This study aims to determine the use of Indonesian and regional languages among students of the Geography Education Department, Faculty of Social Sciences, State University of Medan (UNIMED), Class of 2024. The study was conducted to determine the language most frequently used by students in formal and informal situations, as well as the factors influencing language choice when communicating on campus. The research method used was descriptive research with a quantitative approach. Data were obtained through the distribution of questionnaires using Google Forms to 10 Geography Education students, Class of 2024. The results showed that Indonesian was the most dominant language used, especially in academic activities such as class discussions, presentations, and formal communication because it was easier for all students to understand. Meanwhile, regional languages were still used in informal situations, especially when speaking with friends from the same region because they were considered more familiar and comfortable. Factors influencing language choice included the interlocutor, the communication situation, comfort, cultural identity, and communication effectiveness. This study shows that students are able to adapt their language use to the communication context without abandoning the function of regional languages as cultural identity.
Strategi Kemandirian Pupuk Organik Cair Berbasis Limbah Kulit Singkong di Tingkat Masyarakat Lokal: Sebuah Studi Eksperimental Terey Citha Siregar; Oka Nelly Hutagaol; Puput Gloria Zega; Muhammad Rizky; Rendy Marcel; Elsa Kardiana; Elfayetti Elfayetti
Komprehensif Vol 4 No 1 (2026)
Publisher : CV Edu Tech Jaya

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Ketergantungan sektor pertanian terhadap pupuk kimia sintetis secara terus-menerus memicu degradasi kualitas lahan dan meningkatkan biaya produksi petani lokal. Penelitian ini bertujuan untuk menguji potensi valorisasi limbah padat berupa kulit singkong (Manihot esculenta) menjadi Pupuk Organik Cair (POC) sebagai alternatif pemenuhan hara tanaman yang ramah lingkungan dan ekonomis. Metode yang digunakan adalah eksperimental laboratorium dengan mengamati proses fermentasi anaerob menggunakan starter Effective Microorganisms-4 (EM4) dan larutan molase selama 14 hari. Parameter yang diuji meliputi kadar Nitrogen (N), Fosfor(P2 O5), Kalium (K2O), dan derajat keasaman (pH). Hasil analisis laboratorium menunjukkan bahwa POC kulit singkong memiliki kandungan unsur hara makro yang bervariasi, dengan kadar Nitrogen total sebesar 0,08%, Fosfor (P2 O5)sebesar 0,02%, dan akumulasi Kalium (K2O) yang signifikan mencapai 0,26%, serta tingkat keasaman (pH) berada pada angka 4,37. Meskipun kandungan Nitrogen dan Fosfor relatif rendah dibandingkan standar baku mutu pupuk cair komersial, tingginya konsentrasi Kalium alami memproyeksikan POC ini sangat potensial diorientasikan sebagai pupuk suplemen pada fase generatif tanaman. Pemanfaatan limbah ini diharapkan dapat menjadi strategi aplikatif bagi masyarakat lokal dalam mengurangi ketergantungan pupuk eksternal sekaligus mereduksi dampak lingkungan akibat limbah agroindustri.
Co-Authors Angraini Oktavia Hutapea Elfayetti Elfayetti Elsa Kardiana M. Surip Muhammad Rizky Oka Nelly Hutagaol Puput Gloria Zega Rendy Marcel