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All Journal Seminar Nasional Lahan Suboptimal Entalpi Pendidikan Kimia
Desy Marlina
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Agriculture, Biological Sciences & Forestry Chemistry Education Social Sciences Other

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Peningkatan Hasil Jagung Manis di Lahan Kering Masam melalui Aplikasi Pupuk Organik dan Pengaturan Olah Tanah Neni Marlina; Gusmiatun Gusmiatun; Desy Marlina
Seminar Nasional Lahan Suboptimal 2021: Prosiding Seminar Nasional Lahan Suboptimal ke-9 “Sustainable Urban Farming Guna Meningkatkan
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Marlina N, Gusmiatun G, Marlina D.  2021. increased sweet corn yield in acid dry land through application of organic fertilizer and tillage settings. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimalke-9 Tahun 2021, Palembang 20 Oktober 2021. pp. 490-497. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI). Acid dry land has the potential to develop sweet corn because it covers 29% of the total land area in Indonesia. The challenges faced in acid dry land are soil fertility and lumpy soil structure, therefore to increase sweet corn yields can be through the application of solid and liquid organic fertilizers and tillage settings. The purpose of the study was to determine the right type of organic fertilizer and appropriate tillage settings for sweet corn cultivation in the acid dry land. This research was conducted in 2 Prajen Hamlet, Banyuasin Regency, South Sumatra from December 2018 to March 2019. The layout in the field was arranged based on the Split Plot Design with 6 treatment combinations repeated 4 times. The main plots are tillage (O): no tillage (O0), minimum tillage (O1), and maximum tillage (O2). Sub-plots are types of Organic fertilizers (P): liquid organic fertilizer (P1) and solid organic fertilizer (P2). The results showed that minimum tillage with solid organic fertilizer was able to increase sweet corn yield by 146% when compared to treatment without tillage with liquid organic fertilizer, increasing by 120% when compared to treatment without tillage with solid organic fertilizer.
Analisis Kebutuhan Pengembangan Media Pembelajaran Interaktif Berbantuan Genially Pada Materi Sistem Koloid Terintegrasi Etnosains untuk Menumbuhkan Kemampuan Berpikir Kritis Viga Aprilia Putri; Yusnaidar Yusnaidar; Firdiawan Ekaputra; Wilda Syahri; Epinur Epinur; Desy Marlina
Entalpi Pendidikan Kimia Vol 7 No 1 (2026)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/epk.v7i1.606

Abstract

The colloidal system is a high school chemistry topic that examines the characteristics of fine particles within a dispersing medium. This material is often considered difficult by students due to its abstract nature, requiring a deep understanding of the types and properties of colloids and their daily applications. This condition indicates a need for innovation in learning media capable of connecting scientific concepts with contexts that are easier for students to understand. Through an ethnoscience approach that integrates local knowledge, students are encouraged to understand the material contextually and in relevance to local culture. This study aims to analyze the need for developing Genially-assisted interactive learning media on colloidal systems integrated with ethnoscience, focusing on fostering critical thinking skills. The research method used is descriptive qualitative, with data collection techniques consisting of questionnaires and interviews with students and chemistry teachers at SMA Negeri 17 Muaro Jambi. Data were analyzed descriptively. The results of the needs analysis show that 60.7% of students experience difficulty understanding colloidal material and 89.3% of students require media with a combination of text, images, video, and animation. Furthermore, both students and teachers strongly agree with the development of Genially-assisted interactive learning media that can be used at school or at home to support learning processes that foster critical thinking skills.
Co-Authors Epinur Epinur Firdiawan Ekaputra Gusmiatun Gusmiatun Neni Marlina VIGA APRILIA PUTRI Wilda Syahri Yusnaidar Yusnaidar