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All Journal Journal of Tropical Soils Jurnal Onoma: Pendidikan, Bahasa, dan Sastra
Nurul Aini, Septi
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Agriculture, Biological Sciences & Forestry Education Environmental Science Languange, Linguistic, Communication & Media

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Texture and Chemical Properties of Two Depth Soils in a Toposequence of Anak Krakatau Before December 2018 Eruption Setiawati, Astriana Rahmi; Lumbanraja, Jamalam; Nurul Aini, Septi; Dermiyati, Dermiyati; Buchari, Henrie; Naspendra, Zuldadan
JOURNAL OF TROPICAL SOILS Vol. 25 No. 2: May 2020
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2020.v25i2.71-81

Abstract

Anak Krakatau volcano is one of the famous volcanic mountains located in the sea to the south part of the Province of Lampung, Indonesia. The volcano was derived from the active Krakatau caldera that first appeared on the surface in 1930 or 47 years after the eruption of Krakatau in 1883. The materials produced by the Anak Krakatau eruption were very interesting related to soil forming materials, especially their physical and chemical properties. The objectives of this study were to present information about the texture and chemical properties of soil from Anak Krakatau Mountain taken at the southeast slope before the December 2018 eruption at two different depths. This study was conducted in March to September 2019 which consisted of two parts: (1) soil survey in the field and (2) soil analysis in the laboratory. Soil samples were taken from a toposequence at seven points with an interval about 15m above sea level (asl) on the southeast slope (approaching northeast) of the Anak Krakatau in July 2018 at the depth of 0-20 cm and 20-40 cm. The soil texture of Anak Krakatau mountain before eruption in December 2018 was sandy with the percentage of sand 98.82 - 99.59%; silt 0 - 0.59%; and clay 0.41 - 0.74%. The soil chemical properties of Anak Krakatau mountain were soil pH (H2O) 4.95 – 6.27; soil pH (KCl) 4.75 – 5.89; Cation Exchange Capacity 0.41 – 2.02 cmol(+) kg-1; Base Saturation 117.24 – 514.63%; CaO 2.63 – 6.34%; MgO 3.06 – 6.13%; K2O 0.019 – 0.034%; Na2O 0.035 – 0.080%; P-retention 82.10 – 84.74%; and organic carbon 0.06 – 0.72%. The SEM-EDX analysis showed that the amounts of Mg and Na were more than 1% and there were several trace elements present in Anak Krakatau soil, namely Sb (Stibium), Nb (Niobium), Y (Yttrium), F (Flour), Co (Cobalt), and Ba (Barium).
Tertiary Students’ Perspectives on the Use of English Songs and Podcasts on Spotify in Improving Listening Skills Marsela, Yuni; Nurul Aini, Septi; Yuliastuti, Putri; Fajar Khardani, Rizqah; Nuruddin Hidayat, Didin; Fatwa, Yatni
Jurnal Onoma: Pendidikan, Bahasa, dan Sastra Vol. 10 No. 1 (2024)
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/onoma.v10i1.3283

Abstract

The use of multimedia tools has proven beneficial for teaching basic English language skills in our present day. Several studies have demonstrated the result of using one of the media platforms, such as Spotify, where English songs and podcasts can help students learn and develop their listening skills. Despite its efficacy, few researchers have investigated students' attitudes to listening skills using English songs or podcasts on Spotify. The study examines students' perceptions of enhancing their listening skills through Spotify songs and podcasts. Over the academic year 2023/2024, this research was carried out at the Department of English Language Education, UIN Jakarta, with the participation of 10 first-year students. Qualitative description methods have been used in this survey, with data collected from questionnaires and presented by descriptive statistical analyses. The results show that most first-year English Education Department students think that English songs on Spotify are much more effective or beneficial than podcasts for enhancing listening comprehension.
Co-Authors Dermiyati, Dermiyati Fajar Khardani, Rizqah Fatwa, Yatni Henrie Buchari, Henrie Jamalam Lumbanraja Marsela, Yuni Nuruddin Hidayat, Didin Setiawati, Astriana Rahmi Yuliastuti, Putri Zuldadan Naspendra