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Perbandingan efektivitas pupuk kandang sapi dan pupuk urea terhadap pertumbuhan vegetatif tanaman jagung (Zea mays L.) Ramadhani, Syifa Zalina; Zafit, Vernika; Syamsurizal, Syamsurizal
Filogeni: Jurnal Mahasiswa Biologi Vol 4 No 3 (2024): September-Desember
Publisher : Program Studi Biologi Fakultas Sains dan Teknologi Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/filogeni.v4i3.52791

Abstract

Corn (Zea mays L.) is an important commodity as a source of carbohydrates in Indonesia, so proper fertilization is needed to increase its productivity. This study aims to determine the comparison of the effectiveness of cow manure and urea fertilizer on the growth of corn plants. The method used is an experiment with a Completely Randomized Design (CRD). The parameters measured include plant height and number of leaves. Based on the results of the study, the application of cow manure gave significant results on plant height and number of leaves of corn plants compared to urea fertilizer. The treatment of giving cow manure with a dose of 12 g/plant had better plant height and number of leaves compared to other treatments. The conclusion of this study is that the application of cow manure has a significant effect on plant growth and has the potential to be more effective in increasing the vegetative growth of corn plants.
PENGARUH MODEL PROBLEM BASED LEARNING BERBASIS TUTOR TEMAN SEBAYA TERHADAP LITERASI SAINS MURID: KAJIAN LITERATUR Zafit, Vernika; Ganda Hijrah Selaras; Lufri; Rahmadhani Fitri
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 01 (2026): Volume 11 No. 01, Maret 2026 Release
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.44120

Abstract

Science literacy is a key competence in biology education, as it plays an important role in developing students’ ability to understand scientific phenomena, think critically, and make decisions based on scientific evidence. However, the use of appropriate learning models to enhance science literacy, particularly through peer tutor-based Problem Based Learning (PBL), has not yet been comprehensively explored. This study aims to examine the influence of the peer tutor-based Problem Based Learning (PBL) model on improving science literacy in biology education based on findings from previous research.  The study employed a literature review method to analyse ten national research articles published between 2019 and 2025. Data were analysed using content analysis by examining the research objectives, characteristics of the learning model, indicators of science literacy, and the main findings of each article.  The findings indicate that the Problem Based Learning (PBL) model can improve students’ science literacy through problem-solving, investigation, and data analysis activities, while the use of peer tutors enhances learning interactions and increases student engagement. Overall, this study suggests that the peer tutor-based Problem Based Learning (PBL) model is an effective learning strategy for improving students’ science literacy and can serve as a reference for developing more active and meaningful biology learning.