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All Journal AGROTEK: Jurnal Ilmiah Ilmu Pertanian Jurnal Pendidikan Teknologi Informasi dan Vokasional
Manurung, Sakira Putri
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Biochemistry, Genetics & Molecular Biology Computer Science & IT Education Environmental Science Immunology & microbiology

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Analisis Tantangan Belajar Siswa Dalam Materi Interaksi Sosial di Kelas VII SMP Swasta Cendramata Sumardi, Habibatul Qolbi; Manurung, Sakira Putri; Simamora, Tirza Grass; Sidauruk, Tumiar
Jurnal Pendidikan Teknologi Informasi dan Vokasional Vol 6, No 1 (2024): Jurnal Pendidikan Teknologi Informasi dan Vokasional
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jptiv.v6i1.30752

Abstract

The title of this study is an analysis of student learning challenges in social interaction material in class VII of cendramata private junior high school. The formulation of the problem in this study is how students' learning difficulties in social studies subjects on Social Interaction material at Cendramata Medan Private Junior High School and how teachers have made various efforts to overcome the learning difficulties experienced by students. This research uses qualitative methods with descriptive research types. Data collection techniques are carried out by interviewing sources who are considered to have valuable knowledge and through documentation. After conducting research, results were obtained that showed that students still experience difficulties in the social studies learning process, especially in social interaction material.
PEMANFAATAN LIMBAH KULIT JENGKOL SEBAGAI BAHAN DASAR PEMBUATAN PUPUK ORGANIK PADA TANAMAN SAWI CAISIM (Brassica Juncea L.) Azzahra, Fatimah; Durubanua, Derita Ramai; Manurung, Sakira Putri; Simbolon, Kurnia; Hasan, Sri Muthia; Novira, Nina
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 10, No 1 (2026): Maret
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v10i1.1174

Abstract

This study aims to utilize jengkol peel waste as a raw material for making liquid organic fertilizer (POC) and to analyze its effect on the growth of mustard greens (Brassica juncea L.). The study used a quasi-experimental design method consisting of two groups, namely the treatment group (using jengkol peel POC) and the control group (using chemical fertilizer). The study was conducted in Medan Tembung District, Deli Serdang Regency, for 45 days. The results showed that mustard greens given liquid organic fertilizer experienced increased growth. The t-test results showed a significance value <0.05 for all observation parameters, which means there was a significant difference in growth between the two treatments. In addition, jengkol peel POC was proven to be effective in suppressing weed growth around the plants due to the content of allelopathic compounds such as tannins, saponins, and alkaloids. These findings indicate that jengkol peel waste has great potential as a raw material for liquid organic fertilizer that is environmentally friendly, economically valuable, and supports sustainable agriculture
Co-Authors Durubanua, Derita Ramai Fatimah Azzahra Hasan, Sri Muthia Novira, Nina Simamora, Tirza Grass Simbolon, Kurnia Sumardi, Habibatul Qolbi Tumiar Sidauruk