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Idawati Situmorang
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Analisis Kandungan Unsur Hara pada Eco-enzyme Menggunakan Jeruk (Citrus sinensis) dan Nenas (Ananas comosus): Analysis of Nutrient Content in Eco-enzyme Using Orange (Citrus sinensis) and Pineapple (Ananas comosus) Hamela Sari Sitompul; Intan Maulina; Idawati Situmorang
Elektriese: Jurnal Sains dan Teknologi Elektro Vol. 15 No. 01 (2025): Artikel Riset Edisi April 2025
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/elektriese.v15i01.5820

Abstract

Organic waste can be broken down into smaller materials and does not cause odour. There are many types of organic waste that we often encounter in nature. One of the organic wastes that we encounter, especially in rural areas, is oranges and pineapples. The study aimed to determine the nutrients in eco-enzymes from pineapple and orange waste. In eco-enzymes, macronutrients, namely organic carbon, Nitrogen (N), Phosphorus (P), and Potassium (K), play a role. The study results for the nutrient parameters of Eco-enzyme content are 1.74% N, 1.98% C-organic, 77.15 mg / l Ca, and 1522.70 mg / l K with a ph of 6.3. These nutrient components significantly meet the specified standard values. These values will affect plant growth and development. Giving eco-enzymes to plants is thought to affect plant vegetative growth. Orange and pineapple fruits are mixed with a ratio of 3 parts organic matter, 1 part molasses and 10 parts clean water, then fermented for 3 months to become an eco-enzyme solution. Samples of the fermentation results are taken and analysed to determine chemical parameters in ph and TDS using the established testing procedures. The method used is laboratory testing with Spectrophotometry and Absorbance tests. The results of recycling pineapple and orange peel waste into eco-enzymes get results that are by the standards for making eco-enzymes. Making eco-zymes is one way to improve environmental quality with zero waste.
Presuposisi dan Implikatur dalam Pemberitaan Krisis BBC: Analisis Pragmatik terhadap Konstruksi Makna dan Persepsi Publik: Presupposition and Implicature in BBC Crisis Reporting: A Pragmatic Analysis of Meaning Construction and Public Perception Idawati Situmorang
JBSI: Jurnal Bahasa dan Sastra Indonesia Vol. 6 No. 02 (2026): Call for Papers November 2026
Publisher : Information Technology and Science(ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/jbsi.v6i02.9703

Abstract

Understanding meaning in English does not rely solely on explicitly conveyed information; it also requires the ability to grasp implicit meaning through presuppositions and implicatures. BBC News reports, as authentic texts, provide a relevant context for developing students' pragmatic competence in English language learning. This study employs a qualitative descriptive approach, supplemented by basic quantitative analysis. The research subjects consisted of 19 students enrolled in an English course, selected using a total sampling technique. Data were collected through the analysis of BBC news texts, comprehension tests, questionnaires, and interviews. The data were analyzed qualitatively to identify presuppositions and implicatures, and descriptively by calculating the means and percentages of the test and questionnaire results. The analysis reveals that the students' average comprehension scores were 82.1% for explicit information, 74.7% for presuppositions, and 68.4% for implicatures, resulting in an overall average of 75.1%. Student responses to the use of BBC News were generally positive, particularly regarding its utility in helping them understand the use of authentic English. Comprehending implicatures proved to be relatively more challenging than understanding explicit information or presuppositions. BBC news reports can be utilized as authentic material in English language instruction to foster students' pragmatic understanding. Future instruction should incorporate more targeted exercises focused on the interpretation of implicatures, emphasizing the use of context and the process of inference.
Co-Authors Hamela Sari Sitompul Intan Maulina