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All Journal Daun: Jurnal Ilmiah Pertanian dan Kehutanan Agrienvi : Jurnal Ilmu Pertanian Jurnal Hutan Tropika Journal of Peat Science and Innovation (JPSI)
Triyadi, Antonius
Universitas Palangka Raya
Agriculture, Biological Sciences & Forestry Engineering Environmental Science Social Sciences

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Struktur Anatomi Kayu Meranti Tembaga (Shorea leprosula Miq.) pada PT. Dwima Jaya Utama: Anatomical Structure of Meranti Tembaga (Shorea leprosula Miq.) at PT. Dwima Jaya Utama Joni, Herwin; Wahyudi, Wahyudi; Sosilawaty, Sosilawaty; Santoso, Mahdi; Toni, Hendra; Triyadi, Antonius; Aguswan, Yusuf
HUTAN TROPIKA Vol 19 No 1 (2024): Volume 19 Nomor 1 Tahun 2024
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v19i1.14289

Abstract

This study analyzes the quality of  meranti tembaga wood from natural forests with a maximum diameter of 50 cm as a material for the timber management industry. Furthermore, the study also examined the quality of meranti tembaga wood (Shorea leprosula Miq.) from silin engineering plants with diameters of 28 cm, 36 cm, 43 cm, and 51 cm.  This study also examines the diversification of the use of copper meranti wood from silin engineering plants to explore the potential applications of this wood in various industries. Meranti tembaga wood samples were taken from natural forests and plantation forests (intensive silviculture/silin) of PBPH PT Dwimajaya Utama, Central Kalimantan. Furthermore, wood anatomy testing was carried out at the Forest Hasi Technology Laboratory, Gadjah Mada University. The quality of Copper meranti wood from natural forests with a minimum diameter of 50 cm for the wood processing industry was studied. The results of the analysis of the quality of  meranti tembaga wood from Silin engineering plants showed significant variations based on diameter. For a diameter of 28 cm, the cell wall thickness is 1.675 and the lumen diameter is 22.752. For a diameter of 36 cm, the cell wall thickness is 1,633 and the lumen diameter is 20,739. For a diameter of 43 cm, the cell wall thickness is 1.592 and the lumen diameter is 2.268. For a diameter of 51 cm, the cell wall thickness is 1,738 and the lumen diameter is 21,066.
Pembuatan Lawung Sumping Berbahan Kulit Kayu Nyamu di Prodi Pendidikan Luar Sekolah (PLS) Universitas Palangka Raya: The Creation of Lawung Sumping Made from Nyamu Bark in the Non-Formal Education Program at the University of Palangka Raya Triyadi, Antonius; Tanduh, Yusintha; Joni, Herwin; Toni, Hendra; Rosdiana, Rosdiana
HUTAN TROPIKA Vol 19 No 2 (2024): Volume 19 Nomor 2 Tahun 2024
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v19i2.18594

Abstract

Non-Timber Forest Products, such as Nyamu/Breadfruit Bark (Artocarpus altilis), are utilized by the Dayak community as the primary material for making traditional attire. Complementary items like Sumping and Lawung are also crafted. In the past, these Lawung and Sumping were simple, with minimal ornamentation or accessories. However, as demand has grown, decorations such as sequins, beads, and embroidery have been added. Despite these enhancements, the designs still reflect the distinctive characteristics of the Dayak tribe in Central Kalimantan. The challenges faced by the partners involved in this initiative include Partners have no prior experience in making Lawung and Sumping, although these products are in high demand; As educators in the Non-Formal Education program, the partners feel it is crucial to provide entrepreneurial skills to their students; and Partners need to understand the techniques for applying accessories such as sequins, beads, embroidery, and bird feathers to enhance the aesthetic appeal of bark-based materials. The primary challenge that needs immediate attention is transferring knowledge to enhance participants' skills so they can create job opportunities, design innovative and attractive crafts, and produce high-quality products that align with market demands. The use of simple and reliable technology is introduced to participants, emphasizing that bark can be transformed into desirable products instead of being wasted. This results in unique, distinctive, and beautiful items. Implementing sewing machines and techniques for embellishing bark materials with sequins is a straightforward technological application accessible to all participants. The training benefits education by incorporating aspects of local wisdom into the curriculum for both formal and non-formal education. By introducing regional crafts, participants can explore creativity, innovation, and entrepreneurial opportunities. The products created include Lawung and Sumping with motifs inspired by Bajakah (a traditional plant) and birds, adorned with embroidery, sequins, and bird feathers for the Sumping.
Pembuatan Bee Polen Dalam Upaya Pengembangan Usaha Lebah Kelulut (Trigona sp) Di Hutan Kampus Universitas Palangka Raya : Production of Bee Pollen in an Effort to Develop The Kelulut Bee (Trigona sp) Business in The Foresto of The Palangka Raya University Campus Nuwa, Nuwa; Rotinsulu, Johanna Maria; Triyadi, Antonius
HUTAN TROPIKA Vol 20 No 1 (2025): Volume 20 Nomor 1 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i1.21996

Abstract

Trigona spp. is a species of bee that has a unique characteristic: it does not have a stinger, making it easy to cultivate. This type of bee is widely cultivated in Indonesia. The cultivation of Kelulut honey bees can provide direct benefits through the utilization of products produced by honey bees, such as honey, royal jelly, bee pollen, wax, propolis, and bee venom. Additionally, honeybee farming can provide indirect benefits related to forest resource conservation and increased crop productivity through the mutually beneficial symbiosis between plants and honeybees, as honeybees aid in the pollination of plant flowers while foraging for food. My Bee Kelulut is a partner in this community service activity, which involves the cultivation of Trigona bees, a type of stingless bee, that has been carried out since 2017 by several students from the Forestry Department of the Faculty of Agriculture at the University of Palangka Raya at the Campus Forest Seedling Nursery. The implementation of the Community Entrepreneurship Mentor Program (PDPWM) has resulted in a new product, My Bee Kelulut Bee Pollen, packaged in bottles and ready for market
Analisis Sifat Kimia Kayu Meranti Tembaga (Shorea leprosula Mig.) Dari Hutan Alam Dan Hutan Tanaman Di PT. Dwima Jaya Utama : Chemical Properties Analysis of Meranti Tembaga Wood (Shorea leprosula Mig.) from Natural Forests and Plantation Forests at PT. Dwima Jaya Utama Joni, Herwin; Santoso, Mahdi; Wahyudi, Wahyudi; Sosilawaty, Sosilawaty; Tanduh, Yusintha; Triyadi, Antonius; Toni, Hendra; Christy, Eva Oktoberyani; Silvianingsih, Yosefin Ari
HUTAN TROPIKA Vol 20 No 1 (2025): Volume 20 Nomor 1 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i1.21999

Abstract

This study analyzes the chemical properties of Meranti Tembaga wood (Shorea leprosula Mig.) from natural forests and intensively managed plantation forests (Silin) at PT. Dwima Jaya Utama. Samples were taken from trees with diameters of 28 cm, 36 cm, 43 cm, and 51 cm to compare extractive content (cold water, hot water, ethanol-toluene), holocellulose, α-cellulose, lignin, and ash levels. Results showed that Silin-grown wood had higher extractive content in cold and hot water but lower lignin and ash levels compared to natural forest wood. α-Cellulose content was consistently high across all diameters, meeting industrial standards. The findings suggest that Silin techniques can produce quality wood with shorter harvest cycles, though chemical properties vary by diameter and origin. This research provides valuable insights for sustainable forest management and industrial applications of Shorea leprosula.
Co-Authors Alpian Christy, Eva Oktoberyani Fauzi, Fouad Fouad Fauzi Gery Ardianto Grace Siska Hari Prakasa Hendra Toni Hendrik Segah Hidayat, Nisfiatul Johanna Maria Rotinsulu Joni, Herwin Mahdi Santoso Mataram, Bende Milad Madiyawati Nisfiatul Hidayat Nursiah Nursiah Nuwa Nuwa Nuwa Nuwa, Nuwa Penyang, Penyang Prihanika Prihanika Prihanika, Prihanika Renhart Jemi Rosdiana Rosdiana Silvianingsih, Yosefin Ari Sosilawaty, Sosilawaty Tanduh, Yusintha Wahyudi Wahyudi Wahyudi Wahyudi Wahyudi Yulianti, Reri Yusuf Aguswan