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All Journal Jurnal Bintang Pendidikan Indonesia Global Forest Journal Jurnal Intelek Dan Cendikiawan Nusantara
Melinda Suriani Harefa
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Agriculture, Biological Sciences & Forestry Arts Biochemistry, Genetics & Molecular Biology Education Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Social Sciences Other

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Pemanfaatan Sampah Plastik Menjadi Bantal Kursi Untuk Mengurangi Pencemaran Lingkungan Tengku Abdillah Azis; Dini Afrilia; Nurul Ilmi; Maria Joito Gulton; Melinda Suriani Harefa
Jurnal Bintang Pendidikan Indonesia Vol 2 No 1 (2024): Februari: Jurnal Bintang Pendidikan Indonesia
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jubpi.v2i1.2455

Abstract

This research aims to address the environmental pollution issue caused by plastic waste in Bantan Timur Village, Medan Tembung Subdistrict, by transforming plastic waste into a valuable product, namely seat cushions. The problem of waste has become a global challenge, especially with the increasing population and activities. The rise in waste leads to negative impacts on the environment, such as disease outbreaks, floods, and a decline in aesthetic value. In this context, this article proposes a solution through the Research and Development (R&D) research method to produce seat cushions from plastic waste. Plastic waste is processed through steps of washing, drying, cutting, and packaging. The product is expected to raise awareness about proper waste management, reduce environmental pollution, and have a positive economic impact. Making seat cushions from plastic waste serves as a practical example of sustainable waste management, involving ecological and social aspects. The results are anticipated to inspire similar efforts in other regions, creating creative and sustainable solutions to address environmental pollution issues.
Floral composition and carbon stock estimation of monospecies restoration area in Pasar Rawa, North Sumatra Melinda Suriani Harefa; Zulkifli Nasution; Eling Tuhono; Arida Susilowati; Fitra Yuda Utama
Global Forest Journal Vol. 2 No. 01 (2024): Global Forest Journal
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/gfj.v2i01.15561

Abstract

Mangrove forests are important in climate mitigation, particularly for their greatest carbon storage. Rhizophora apiculata, a mangrove species with numerous advantages, is frequently employed in restoration activities. Monoscpecies restoration activities are well known, although information on floristic composition and carbon uptake must be available. The objective of this research was to investigate the floristic composition and carbon stock of R. apiculata in the Pasar Rawa Village restoration area, Langkat Regency, North Sumatra Province. This study employed the vegetation analysis approach and carbon estimates based on diameter breast height (DBH) and total vegetation height. The study's findings indicate low floristic diversity in the research area. At the seedling stages, the greatest IVI (113.68%) was discovered in Achanthus ilicifolius, and the only species found in the sapling stage with an IVI value of 200% was R. apiculata. The study of diversity indices revealed very low values at the seedling stage (H'= 0.806) and no diversity at the sapling stage. The total carbon stored estimation in R. apiculata stands relatively low, at 8.56 tonnes/ha. The absorbed carbon produced by R. apiculata is 31.42 tons/ha with a CO2 absorption of 3.141 g/m2 and is classified as relatively low
Pemanfaatan Sampah Plastik Menjadi Bantal Kursi Untuk Mengurangi Pencemaran Lingkungan Tengku Abdillah Azis; Dini Afrilia; Nurul Ilmi; Maria Joito Gulton; Melinda Suriani Harefa
Jurnal Bintang Pendidikan Indonesia Vol. 2 No. 1 (2024): Februari: Jurnal Bintang Pendidikan Indonesia
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jubpi.v2i1.2455

Abstract

This research aims to address the environmental pollution issue caused by plastic waste in Bantan Timur Village, Medan Tembung Subdistrict, by transforming plastic waste into a valuable product, namely seat cushions. The problem of waste has become a global challenge, especially with the increasing population and activities. The rise in waste leads to negative impacts on the environment, such as disease outbreaks, floods, and a decline in aesthetic value. In this context, this article proposes a solution through the Research and Development (R&D) research method to produce seat cushions from plastic waste. Plastic waste is processed through steps of washing, drying, cutting, and packaging. The product is expected to raise awareness about proper waste management, reduce environmental pollution, and have a positive economic impact. Making seat cushions from plastic waste serves as a practical example of sustainable waste management, involving ecological and social aspects. The results are anticipated to inspire similar efforts in other regions, creating creative and sustainable solutions to address environmental pollution issues.
POTENSI DAN MANFAAT KOMPOS LIMBAH BATANG PISANG SEBAGAI ALTERNATIF PENGELOLAAN LIMBAH ORGANIK DI LINGKUNGAN SEKITAR Badostar Joel Situmorang; Niha Clawdya Lubis; Melinda Suriani Harefa; Keni Airo
Jurnal Intelek Dan Cendikiawan Nusantara Vol. 2 No. 5 (2025): Oktober - November 2025
Publisher : PT. Intelek Cendikiawan Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pengelolaan limbah organik masih menjadi tantangan di berbagai daerah, karena sebagian besar masyarakat belum memanfaatkan potensi bahan organik secara optimal. Salah satu limbah pertanian yang sering terbuang adalah batang pisang, padahal memiliki kandungan unsur hara penting seperti nitrogen (N), fosfor (P), kalium (K), kalsium (Ca), dan magnesium (Mg) yang sangat dibutuhkan tanaman. Penelitian ini bertujuan untuk menganalisis potensi dan manfaat kompos dari limbah batang pisang sebagai alternatif pengelolaan limbah organik di lingkungan sekitar. Metode yang digunakan ialah eksperimen dengan pendekatan pengomposan aerobik, yaitu proses penguraian bahan organik menggunakan mikroorganisme yang memerlukan oksigen. Bahan utama yang digunakan berupa potongan batang pisang, tanah halus, air cucian beras, dan larutan EM4 sebagai aktivator biologis.Hasil penelitian menunjukkan bahwa batang pisang memiliki karakteristik fisik dan kimia yang mendukung proses dekomposisi, menghasilkan kompos berwarna coklat tua kehitaman, bertekstur gembur, dan tidak berbau. Kompos yang dihasilkan terbukti mampu meningkatkan kesuburan tanah, memperbaiki struktur tanah, serta mengandung unsur hara makro dan mikro yang penting bagi pertumbuhan tanaman. Selain manfaat agronomis, pemanfaatan batang pisang juga berdampak positif terhadap lingkungan karena mengurangi volume limbah organik, menekan pencemaran tanah dan udara, serta mendukung konsep pertanian berkelanjutan. Dari sisi ekonomi dan sosial, kegiatan ini dapat dijadikan peluang usaha pupuk organik sekaligus sarana edukasi lingkungan bagi masyarakat
Co-Authors Arida Susilowati Iswanto Badostar Joel Situmorang Dini Afrilia Eling Tuhono Fitra Yuda Utama Keni Airo Maria Joito Gulton Niha Clawdya Lubis Nurul Ilmi Tengku Abdillah Azis Zulkifli Nasution