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All Journal SC (Savana Cendana) : Jurnal Pertanian Konservasi Lahan Kering Jurnal Penelitian Pendidikan IPA (JPPIPA) Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Jurnal PKM Manajemen Bisnis ABDI UNISAP: Jurnal Pengabdian Kepada Masyarakat Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Faustinus Kadha
Fakultas Pertanian, Sains, Dan Kesehatan Universitas Timor
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Public Health Social Sciences Other

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Pengaruh Injeksi Larutan Gula Lontar Cair Terhadap Pertumbuhan Diameter Ranting Kesambi (Schleichera oleosa) Sebagai Inang Kutu Lak (Laccifer lacca) Faustinus Kadha; Supriyanto Supriyanto; N F Haneda
Savana Cendana Vol 8 No 2 (2023): Savana Cendana (SC) - April 2023
Publisher : Fakultas Pertanian, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (634.258 KB) | DOI: 10.32938/sc.v8i2.2014

Abstract

<div style="text-align: justify;"> The Laccifer lacca lives parasitically on kesambi (Schleichera oleosa) which has branches that are not too old or not too young and are gray-green in color. The Laccifer lacca sticks its proboscis into the branch and reaches the phloem tissue. Kesambi that lacks phloem fluid will cause decreased growth, yellow leaves and fall off. The purpose of this study was to inject liquid palm sugar solution into kesambi plant tissue by using an injection pump technique or a multi-injection technique. This research was carried out through the process of injecting kesambi, inoculation of Laccifer lacca, maintenance, and measuring the growth of branch diameter. The diameter of the branch where the Laccifer lacca live can be divided into 3 sizes, namely large (> 0.74 cm), medium (0.50–0.74 cm), and small (< 0.50 cm). The growth of branch diameter did not show a significant difference of 0.3 cm/5 months of observation at all concentrations of LGCL.</div>
Pemberdayaan KWT Mekar Sari Kelurahan Kefa Selatan melalui Pelatihan Pembuatan Kompos Biochar untuk Budidaya Tanaman Hortikultura Deseriana Bria; Natalia Desy Djata Ndua; Hyldegardis Naisali; Jefrianus Nino; Wilda Lumban Tobing; Faustinus Kadha; Bernardinus Kolo
Jurnal PKM Manajemen Bisnis Vol. 6 No. 1 (2026): Jurnal PKM Manajemen Bisnis
Publisher : Perhimpunan Sarjana Ekonomi dan Bisnis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37481/pkmb.v6i1.1691

Abstract

The issue of declining soil fertility and limited access to sustainable agricultural inputs is a major challenge for smallholder farmers in Kefa Selatan, Timor Tengah Utara Regency, East Nusa Tenggara Province. In response, a community service program was initiated under the title Empowerment of KWT Mekar Sari in Kefa Selatan Subdistrict through Biochar Compost Training for Horticultural Cultivation. The objective of this activity was to enhance the capacity of local farmers, particularly members of the Mekar Sari Women Farmers Group (KWT), in producing and utilizing biochar compost to improve soil quality and increase horticultural crop productivity. The activity was carried out from July to September 2024 in Kefa Selatan and involved 15 local farmers as participants, facilitated by a team of 7 lecturers and students from the University of Timor. The methods employed included educational sessions on the benefits of compost, hands-on training in biochar compost production, and demonstration of its application in horticultural crop cultivation. As a result, participants gained practical knowledge and skills in sustainable composting techniques and showed increased awareness of organic farming benefits. The training also stimulated greater community engagement and environmental awareness. This program is expected to serve as a model for similar initiatives in other rural communities.
Utilization of Local Natural Dyes and Mordants in Dyeing Polyester Yarn for Timor Woven Fabrics: Characterization and Potential Applications Marselina Theresia Djue Tea; Elisabeth Korbafo; Faustinus Kadha; Yohana Ivana Kedang; Fetronela Rambu Bobu; Agustina Mogi; Ernesta Wae; Janrigo Klamegio Mere; Gebhardus Djugian Gelyaman
Jurnal Penelitian Pendidikan IPA Vol 12 No 1 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i1.11639

Abstract

The objective of this study was to extract natural dyes from plant parts, characterize them, and evaluate their color fastness properties. The yarns were bleached using hydrogen peroxide at a concentration of 10% (based on fiber weight) at 100°C for 30 minutes. Three natural dyes (teak leaves, turmeric, and mango bark) were selected as natural sources for color extraction, which was carried out for 60 minutes at 100°C. Dyeing was performed both with and without the addition of salt, alum, and lime as mordants. The FTIR spectra of fabrics dyed with natural dye extracts showed absorption bands at 2963–2918 cm⁻¹, indicating the presence of C-H stretching from methyl (CH₃) and methylene (-CH₂-) groups found in polyester. The band at 1710–1713 cm⁻¹ originated from the carbonyl (C=O) group, which is a main characteristic of polyester. The band around 1504–1577 cm⁻¹ was identified as aromatic C=C bond stretching. The band at 1338–1242 cm⁻¹ indicated C-O stretching, which may be attributed to ester groups in polyester. The band at 1091–1015 cm⁻¹ represented C-H bending, which is also characteristic of polyester molecules. Turmeric and teak leaves demonstrated better color fastness compared to mango bark.
Training on Preparation of Tamarind Seed Peel Biomordant Preparations for Natural Timor Weaving Coloring at the Oenaem Village Weavers Group: Pelatihan Preparasi Sediaan Biomordan Kulit Biji Asam untuk Pewarnaan Tenun Timor secara Alami di Kelompok Penenun Desa Oenaem Risna EY. Adu; Marselina TD. Tea; Gebhardus D. Gelyaman; Didi Prasetyo Benu; Faustinus Kadha
JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Vol. 8 No. 2 (2024): Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Publisher : DPD Jatim Perkumpulan Dosen Indonesia Semesta

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

Abstract

The weaving group in Oenaem Village produces woven cloth that is naturally dyed but is less popular due to its low fastness characteristics. Oenaem Village has a source of tannin, namely tamarind seeds, which are abundant in the dry season and have the potential to be used as an alternative to alum and tunjung mordant, but due to limited knowledge and skills, the tamarind seeds are discarded as waste. To overcome this problem, it is necessary to carry out outreach and training activities to introduce weaving groups to tamarind seed shell tannin as an alternative to alum and tunjung mordant. Community service activities are carried out to equip the community with knowledge and skills in extracting tamarind seed shell tannins into biomordant, and applying them in dyeing woven fabrics under the right mordanting conditions and using the correct yarn mass:mordant ratio formulation. Activities begin with coordination with partners, preparation of tools and materials, followed by socialization through presentations and joint discussions, as well as training activities. The training includes tannin biomordant extraction techniques from tamarind seed shells, and the application of tannin biomordant in natural weaving dyeing. The evaluation results show an increase in partners' knowledge and skills in producing tannin from tamarind seed shell waste and applying it as a biomordant in dyeing woven threads. The products obtained from the activity were ± 2 kg of biomordant and 4 pieces of woven fabric that had been mordanted and colored with curcumin.
Pembuatan Pupuk Organik dan Biochar di Kelompok Tani Rajawali Desa Halibasar Kabupaten Malaka Febrya Christin Handayani Buan; Azor Yulianus Tefa; Zofar Agluis Banunaek; Faustinus Kadha; Meri Helsiana Mata; Emanuel Suri; Marianus Nahas
ABDI UNISAP: Jurnal Pengabdian Kepada Masyarakat Vol. 1 No. 2 (2023): ABDI UNISAP: Jurnal Pengabdian Kepada Masyarakat
Publisher : UPT Publikasi dan Penerbitan Universitas San Pedro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59632/abdiunisap.v1i2.182

Abstract

Peralihan penggunaan pupuk anorganik ke organik yang ramah lingkungan terus diupayakan dengan pengoptimalan potensi petani di Kelompok Tani Rajawali, Desa Halibasar Kabupaten Malaka. Peralihan diupayakan dengan memanfaatkan limbah organik pertanian/peternakan di sekitar lingkungan pertanian untuk pembuatan pupuk kompos-biochar. Selama ini, penggunaan pupuk organik yang minim dikarenakan kurangnya sosialisasi dan rendahnya pengetahuan petani mengenai bahaya jangka panjang penggunaan pupuk anorganik. Permasalahan tersebut menjadi dasar untuk melakukan kegiatan pengabdian ini. Pengabdian dilaksanakan pada bulan Juni – Juli 2022, metode pengabdian yang digunakan adalah participatory action research yang mana seluruh anggota kelompok tani dan tim pengabdi terlibat langsung dalam setiap tahapan. Hasil pengabdian diperoleh bahwa anggota kelompok tani telah memahami dengan baik dampak jangka panjang perbandingan penggunaan pupuk anorganik dan organik, sehingga peralihan penggunaan pupuk organik siap diaplikasikan secara bertahap selain itu, anggota kelompok tani telah menguasai tahapan-tahapan pembuatan pupuk kompos-biochar yang dapat dilakukan secara mandiri. Penggunaan pupuk organik menjadi pendekatan yang berkelanjutan dalam meningkatkan produktivitas pertanian berbasis ramah lingkungan dengan memanfaatkan limbah pertanian/peternakan di lingkungan Halibasar.
Pengaruh Waktu Imbibisi dan Dosis Atonik Pada Perendaman Benih Terimbibisi Terhadap Pertumbuhan Bibit Asam (Tamarindus Indica L.): Pengaruh Waktu Imbibisi dan Dosis Atonik Pada Perendaman Benih Iven Ivensius Klau; Krisantus Tri P Raharjo; Faustinus Kadha
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol. 10 No. 2 (2026): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, 10 (2) Juni 2026
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v10i2.17307

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh waktu imbibisi dan dosis atonik pada perendaman benih terimbibisi terhadap perkecambahan dan pertumbuhan bibit asam, serta memperoleh waktu imbibisi dan dosis atonik yang optimal. Penelitian dilaksanakan di Kelurahan Sasi, Kecamatan Kota Kefamenanu, Kabupaten Timor Tengah Utara dari bulan Juni hingga Juli 2025. Penelitian menggunakan Rancangan Acak Lengkap faktorial dengan dua faktor perlakuan. Faktor pertama adalah waktu imbibisi yang terdiri dari 24 jam, 48 jam, dan 72 jam. Faktor kedua adalah dosis atonik yang terdiri dari 1 mL/L, 2 mL/L, dan 3 mL/L. Parameter yang diamati meliputi laju perkecambahan, tinggi tanaman, jumlah daun, panjang akar, berat segar akar dan tajuk, berat kering akar, serta berat kering tajuk dan rasio tajuk akar. Data dianalisis menggunakan ANOVA dan uji lanjut DMRT pada taraf 5%. Hasil penelitian menunjukkan bahwa dosis atonik berpengaruh nyata terhadap laju perkecambahan dan berat kering tajuk bibit asam, sedangkan waktu imbibisi tidak menunjukkan pengaruh nyata pada sebagian besar parameter. Terdapat interaksi antara waktu imbibisi dan aplikasi atonik pada parameter tinggi tanaman, dan berat kering akar. Dosis atonik 3 mL/L merupakan konsentrasi paling efektif dalam meningkatkan laju perkecambahan (8,333), serta berat kering tajuk (0,72467). Waktu imbibisi 24, 48, dan 72 jam tidak menunjukkan perbedaan signifikan, mengindikasikan ketiga waktu tersebut relatif optimal untuk proses imbibisi benih asam. Kombinasi dosis atonik 2 mL/L dengan perendaman 72 jam menghasilkan tinggi tanaman terbaik (23,300), serta kombinasi dosis atonik 1 mL/L dengan waktu imbibisi 72 jam menghasilkan panjang akar terbaik (32,140) dan kombinasi dosis atonik 3 mL/L dengan perendaman 24 jam dan 48 jam menghasilkan berat kering akar tertinggi. Disarankan menggunakan atonik 3 mL/L untuk perendaman benih asam guna meningkatkan perkecambahan dan pertumbuhan bibit
Co-Authors Agustina Mogi Azor Yulianus Tefa Benu, Didi Prasetyo Bernardinus Kolo Bria, Deseriana Emanuel Suri Ernesta Wae Febrya Christin Handayani Buan Fetronela Rambu Bobu Gebhardus D. Gelyaman Gelyaman, Gebhardus Djugian Hyldegardis Naisali Iven Ivensius Klau Janrigo Klamegio Mere Jefrianus Nino Korbafo, Elisabeth Krisantus Tri P Raharjo Marianus Nahas Marselina TD. Tea Mata, Meri Helsiana N F Haneda Natalia Desy Djata Ndua Risna EY. Adu Supriyanto Supriyanto Tea, Marselina Theresia Djue Wilda Lumban Tobing Yohana Ivana Kedang Zofar Agluis Banunaek