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All Journal Jurnal Ilmiah RESPATI Jurnal Kajian Pendidikan IPA
Nurma Alya Meiana
Institut Agama Islam Negeri Palangka Raya
Agriculture, Biological Sciences & Forestry Education Social Sciences

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Pengaruh Kombinasi Kulit Bawang Merah, Bonggol Pisang Kepok dan Kiambang Sebagai Pupuk Organik Cair Selada Hidroponik Nurma Alya Meiana; Jumrodah Jumrodah; Sondra Swestyani
JURNAL PERTANIAN Vol 17, No 1 (2026): Jurnal Ilmiah Respati
Publisher : Universitas Respati Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52643/jir.v17i1.5923

Abstract

Hydroponic techniques are one of the intensification efforts that will ultimately increase the use of land and nutrient solutions. Nutrient solutions use liquid organic fertilizers (POC), which contain the composition of nutrients needed by plants such as AB Mix fertilizer, but are sold at very cheap prices because they are made from fermented organic materials. The organic waste needed in making fertilizer, researchers use red onion skins, banana stems, and kiambang as liquid organic fertilizer because this waste is often found but has not been utilized optimally. The method in this research used a Completely Randomized Design (CRD) which was analyzed using Analysis of Variance, there were 5 treatments P0 (AB Mix 100% Control), P1 (POC 25% + AB Mix 75%), P2 (POC 50% + AB Mix 50%), P3 (POC 75% + AB Mix 25%), P4 (POC 100%). The purpose of this study was to determine the effect of a combination of liquid organic fertilizers of red onion skin, banana stem kepok and kiambang as liquid organic fertilizers for hydroponic lettuce. After conducting experiments and calculations using ANOVA, the results of the effect of the combination obtained the best combination of nutrients in treatment 1, namely 75% AB Mix and 25% POC, with the parameters of leaf width, plant height and the maximum number of leaves
Pengembangan instrumen tes kemampuan berpikir kritis dan kolaborasi berpendekatan discovery learning pada materi ekosistem Rahmah Alia; Nurma Alya Meiana; Yatin Mulyono
Jurnal Kajian Pendidikan IPA Vol 5 No 1 (2025): Jurnal Kajian Pendidikan IPA
Publisher : Universitas Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52434/jkpi.v5i1.42291

Abstract

Development of critical thinking and collaboration test instruments with a discovery learning approach on ecosystem materials. Education plays an important role in educating and developing an individual's potential to become a useful human being. As time goes by, 21st century skills such as critical thinking and collaboration have become very important needs in the world of education. However, critical thinking skills are still a big challenge in Indonesia, with measurement results showing low scores. Therefore, learning that can improve these skills, such as Discovery Learning, is very necessary. This research aims to develop a test instrument that can measure students' critical thinking and collaboration skills on ecosystem material, using the Discovery Learning model. This research uses the Research and Development (R&D) method with the ADDIE model, which includes five stages: analysis, design, development, implementation and evaluation. The test instrument developed includes essay questions that measure critical thinking and collaboration skills. The research results show that the instrument developed isvalid and reliable, and can measure critical thinking and collaboration skills effectively. Learning Discovery Learning on ecosystem material has been proven to improve students' critical thinking and collaboration skills, where the analysis results show a significant correlation between these two skills. This research contributes to the development of learning instruments that can be used to measure 21st century skills in the learning context in Indonesia.
Co-Authors Jumrodah Jumrodah Rahmah Alia Sondra Swestyani Yatin Mulyono