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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Biologi Tropis ORBITA: Jurnal Pendidikan dan Ilmu Fisika Jurnal Pengabdian Magister Pendidikan IPA Jurnal Ilmiah Profesi Pendidikan
I Gde Mertha
Universitas Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Immunology & microbiology Materials Science & Nanotechnology Physics

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Pelatihan Pembuatan Kompos Berbasis Limbah Organik untuk Mendukung Program Low Carbon di PT ESL Sekaroh I Gde Mertha; Agil Al Idrus; Ahmad Raksun; Rubiyatna Sakaroni; AA Sukarso; Heru Setiawan; Wirdullutfi; Ketut Sadiana
Jurnal Pengabdian Magister Pendidikan IPA Vol 9 No 2 (2026): April-Juni 2026
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v9i2.15685

Abstract

Limbah organik yang dihasilkan dari kegiatan pemeliharaan taman dan lanskap di lingkungan PT Ecosolution Lombok (ESL) memiliki potensi untuk dimanfaatkan sebagai bahan baku kompos, namun belum dikelola secara optimal. Keterbatasan pengetahuan dan keterampilan karyawan pengelola taman dalam mengolah biomassa menjadi pupuk organik menyebabkan potensi limbah tersebut belum memberikan manfaat maksimal bagi perusahaan maupun lingkungan. Kegiatan pengabdian kepada masyarakat ini bertujuan meningkatkan pengetahuan dan keterampilan karyawan PT ESL dalam mengolah limbah organik menjadi kompos guna mendukung implementasi program low carbon perusahaan. Kegiatan dilaksanakan di Friend Village PT ESL Sekaroh, Lombok Timur, dengan melibatkan 8 orang karyawan pengelola taman dan lanskap. Metode yang digunakan meliputi sosialisasi, pelatihan, penerapan teknologi, pendampingan, dan evaluasi melalui ceramah, diskusi, demonstrasi, serta praktikum. Bahan yang digunakan dalam pembuatan kompos terdiri atas cacahan ranting Chromolaena odorata dan Lantana camara, daun segar, limbah sayuran, kotoran ternak, abu sekam, tanah, EM4, dan molase. Hasil kegiatan menunjukkan bahwa seluruh peserta mampu memahami dan mempraktikkan tahapan pembuatan kompos secara mandiri. Proses pengomposan berlangsung dengan baik yang ditandai oleh peningkatan suhu pada fase awal, penyusutan volume biomassa, serta terbentuknya kompos berwarna cokelat kehitaman, bertekstur remah, dan tidak berbau menyengat. Kompos yang dibuat dalam lubang tanah menunjukkan tingkat kematangan yang lebih cepat dibandingkan kompos yang disimpan dalam karung. Kegiatan ini berhasil meningkatkan kapasitas karyawan dalam pengelolaan limbah organik serta mendukung pemanfaatan biomassa menjadi pupuk organik yang bernilai guna sebagai bagian dari implementasi program low carbon di PT ESL
Exploration of Orchids and Ferns on the Aik Berik Hiking Trail in Mount Rinjani National Park Ayun Pazira; Lalu Zulkifli; Ahmad Raksun; I Gde Mertha
Jurnal Biologi Tropis Vol. 26 No. 1 (2026): Januari-Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i1.11741

Abstract

Indonesia is recognized as a country rich in biodiversity, boasting an extensive variety of plants and animals. Lombok Island, one of Indonesia's islands, showcases a significant level of biodiversity. This island is home to the Mount Rinjani National Park. Within the TNGR region, Aik Berik Village serves as the designated hiking route for Mount Rinjani National Park, featuring a remarkable variety of plant life, such as orchids and ferns. Nonetheless, studies exploring the orchids and ferns along the Aik Berik hiking path remain scarce, and no one has examined them across different elevations, making this research essential. This study aims to determine the types of orchids and ferns and their distribution on the Aik Berik hiking trail of Mount Rinjani National Park. The method used in this study is the cruise method. The findings of this research identified 14 genera and 24 species of orchids, which include 17 epiphytic orchids and 7 terrestrial orchids, totaling 940 individuals. The orchid with the broadest distribution is Pinalia multiflora, located at altitudes between 1,000 and 2,500 meters above sea level, with a count of 100 individuals. Conversely, the least common species is Dendrobium rindjaniense, which exists at heights of 2,000 to 2,500 meters above sea level, totaling only 5 individuals. The study also discovered 15 families, 22 genera, and 31 species of ferns, comprising 25 terrestrial ferns and 6 epiphytic ferns, amounting to 8,165 individuals in total. The fern species that is distributed the most is Macrothelypteris torresiana, found at altitudes of 1,000 to 2,500 meters above sea level, with 1,150 individuals recorded. In contrast, the species with the least distribution is Huperzia selago, which appears at altitudes between 1,000 and 2,000 meters above sea level, with just 20 individuals present.
The Effect of Liquid Organic Fertilizer From Tofu Waste and NPK Fertilizer on The Growth of Lettuce (Lactuca sativa L.) Nurul Adani Rahmatia; Ahmad Raksun; I Gde Mertha
Jurnal Biologi Tropis Vol. 26 No. 1 (2026): Januari-Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i1.11800

Abstract

Lettuce presents significant market potential, catering to both local and global demands. The strong need for this horticultural product gives it considerable economic importance, which can enhance individual earnings. This study intends to evaluate how liquid organic fertilizer made from tofu waste and NPK fertilizer influences the growth of lettuce (Lactuca sativa L.) and to assess how their combination impacts lettuce plants. An experimental method was employed, with data gathered from measuring plant growth. The application of liquid organic fertilizer derived from tofu waste alongside NPK fertilizer notably influenced the height of the plants, the quantity of leaves, the size of leaves, and both the wet and dry weights of the lettuce. In contrast, the interaction between the liquid organic fertilizer from tofu waste and NPK fertilizer did not show a significant impact on the height, number of leaves, leaf size, or the wet and dry weight of the lettuce.
Exploration of Moraceae Species in the Forest of Lemor Botanical Gardens, Suela District, Lombok Island, Indonesia Ariana Ashri Dewi; Ahmad Raksun; I Gde Mertha; Lalu Zulkifli
Jurnal Biologi Tropis Vol. 26 No. 1 (2026): Januari-Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i1.11845

Abstract

Forest of Lemor Botanical Gardens in Suela District, Lombok Island, Indonesia, is known for its rich plant diversity, including members of the Moraceae family, which have important ecological and economic values. Existing records of Moraceae in this area are primarily based on botanical collections from the ex-situ zone, whereas information on species occurring in the in-situ forest conservation area remains limited. Therefore, this study was conducted to explore and identify species of the Moraceae family present in the forest area of Lemor Botanical Gardens. The research applied a descriptive exploratory approach using purposive sampling and the cruise method during field surveys conducted from September to November 2025. Data collection included counting individual plants, photographic documentation, morphological description, and voucher specimen verification. The study recorded sixteen species belonging to four genera in the Moraceae family, namely Ficus, Artocarpus, Streblus, and Morus, with a total of 805 individuals. Among these, Ficus septica was the most abundant species, with 125 individuals recorded, making it the dominant species in this habitat. These findings provide preliminary baseline data that can support conservation management of the area, complement the need for in-situ data, and document Moraceae botanical collections that had not previously been recorded within the ex-situ area of the botanical garden. In addition, the results are expected to serve as a scientific reference and to improve public understanding of Moraceae diversity.
Co-Authors AA Sukarso Abidin, Lalu Abdul Muhyi Agil Al Idrus Agil Al Idrus Agus Ramdani Ahmad Raksun Ahmad Raksun Ahmad Raksun Anggi Yuni Anggraeni Ariana Ashri Dewi Aulia Vina Rahmani Ayun Pazira Baiq Sri Handayani Cahayatul Aulia Didik Santoso Heru Setiawan I Putu Aryatasa I Wayan Merta Intan Mushlihah Joni Rokhmat Joni Rokhmat Ketut Sadiana Khaerus Syahidi Kurniawan Arizona Lale Yaqutunnafis Lalu Japa Lalu Zulkifli M. Sarjan M. Yamin M. Zulmuhibban Mahrus Mahrus Mega Safitri Moh. Liwa Ihamdi Moh. Liwa Ilhamdi Mohammad Liwa Ilhamdi Muhammad Sarjan Muhlis Muhlis Nindi Claudia Nisratul Apriyani Novia Indra Anggraini Nur Hayati Nurjariati Fadilah Nurkomariah Nurkomariah Nurul Adani Rahmatia Nurul Ahadia Nurul Fadhilah Prapti Sedijani Prapti Sedijani Ramdhani Sucilestari Reni Anggraini Reza Wariani Rini Andriani Ririn Widiawati Rubiyatna Sakaroni Salkiah, Baiq Septiani Ayda Suhaeri Ihwani Suniyanti Suniyanti Syachruddin AR Syahrial A Syamsuddin Syamsuddin Syamsul Bahri Syamsul Bahri Tri Ayu Lestari Widya Anggreni Wirdullutfi Yuyun Ningsiati