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Analisis Penerimaan Usaha Kenari di Desa Onto Kecamatan Bontomatene Kabupaten Kepulauan Selayar Rini, Rini Pratiwi; Andi Mawaddah Zakiyah; Sri Arfiani Rahim Sila; Suhartono; Ulfa Adzkia
Pangale Journal of Forestry and Environment Vol 4 No 2 (2024): Pangale
Publisher : Program Studi Kehutanan Fakultas Pertanian dan Kehutanan Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/pangale.v4i2.4321

Abstract

Walnut plants are a type of Multi Purpose Tree Species (MPTS) plant from Maluku. This plant has many benefits, especially as a food ingredient, but walnut commodities are still classified as by-products so it is difficult to obtain the production data. The study aimed to determine the amount of income walnut farmers receive to achieve an increased community economy. Revenue data was obtained from the physical amount of the product multiplied by the prevailing price. The study results showed that the potential for walnuts in Selayar Regency reached 273.19 tons, mainly in Onto Village, which reached 29.24 tons with a land area of 41 Ha. The selling price of walnuts is quite expensive, namely IDR 60,000 / kg. On average, if farmers have 1 ha of land, the farmer's income per year is around IDR 21,600,000. The findings suggest that walnuts are a favored crop in Onto Village, underscoring their role in enhancing community income
EVALUASI CACAT PENGERINGAN DAN PEMESINAN PADA EMPAT JENIS KAYU CEPAT TUMBUH TERMODIFIKASI PANAS Ulfa Adzkia; Trisna priadi; Lina Karlinasari
Jurnal Penelitian Hasil Hutan Vol. 37 No. 3 (2019): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2019.37.3.204-216

Abstract

Heat treatment is one method that can improve the quality of wood including for fast-growing wood species. However,this treatment can cause some drying defects as well as the change of machining properties after applying that heattreatment. The purpose of this study was to evaluate the effect of wood species and heating time on the drying andmachining defects. The fast-growing wood species used were teak, mangium, jabon, and sengon. The heat treatmentwas carried out at a temperature of 165°C with variation in time were 0 (control), 2, and 6 hours. The result showedthat the moisture content and wood density decreased after heat treatment. Heat treatment was succeeded to decrease themoisture content of 57% and caused a decreasing of density until 20% compared with control wood. The drying defectsof end checks in teak, mangium, jabon and sengon increased after 2 and 6-hour heat treatment. In the other hand, thesurface checks defect of teak, mangium, sengon and jabon were decreased. The defects after applying machining activitiesi.e. the defects of sanding, planing, shaping, and boring were decreased in teak, mangium, jabon and sengon after heattreatment of 2 and 6-hour. Jati was the best wood species in term of machining quality followed by jabon, mangium,and sengon after heat treatment. At the temperature of 165°C in 2 hours could be considered as the appropriate timefor heat treatment in term of obtaining minimal defects of drying and machining.
Pemberdayaan Kelompok Tani Hutan Malilu Sipakainga Berbasis Pengembangan Usaha Kemiri di Desa Alu, Sulawesi Barat Rini Pratiwi; Andi Irmayanti Idris; Ulfa Adzkia
Jurnal Pusat Inovasi Masyarakat Vol. 7 No. 2 (2025): Oktober 2025
Publisher : Direktorat Pengembangan Masyarakat Agromaritim, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpim.7.2.298-312

Abstract

This community service activity aims to empower the Malilu Sipakainga Forest Farmers Group (KTH) in Alu Village, Alu District, Polewali Mandar Regency, West Sulawesi Province, through the development of candlenut businesses as a local potential from the forestry sector. The activity is based on capacity building in packaging, logo design, and digital marketing. The implementation method was carried out through participatory training with members, including material delivery, hands-on practice, and intensive mentoring. The results of the activity show that participants are able to produce more attractive packaging designs for peeled candlenut and powder products, design logos as product identities, and create social media accounts to market products more widely. The impact of this activity not only increases knowledge and technical skills but also fosters self-confidence, entrepreneurial spirit, and cooperation in business. From an economic perspective, the activity has proven to increase the added value of products through the implementation of several innovations ranging from packaging, logos, and digital marketing. The conclusion of this activity is that strengthening the capacity of KTH Malilu Sipakainga members through the innovations implemented can contribute to increasing the competitiveness and welfare of the local community. Furthermore, intensive mentoring and support for business facilities from the local government, as well as multi-stakeholder collaboration, are needed to ensure that this community-based candlenut business can continue to grow.  
Penentuan Kerapatan Massa Tajuk Pohon Decurrent Berdasarkan Analisis Keragaan Fisik Aini, Siti Churotul; Ulfa Adzkia; Agus Buono; Siregar, Iskandar Zulkarnaen; Lina Karlinasari
Jurnal Ilmu Kehutanan Vol 20 No 1 (2026): March
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v20i1.22134

Abstract

Self-weight calculation was identified as an essential step in tree structural analysis. In practice, this calculation included estimating stem weight based on wood density, while crown density was expressed as a percentage of crown area. However, previous research had not provided explicit methodologies for determining crown density as a function of crown mass and volume. Therefore, this research aimed to establish a proper method and corresponding conversion factors for translating area-based crown density estimates to those derived from crown weight and volume. A total of 15 healthy decurrent trees were selected to assess crown volume and density through physical attribute analysis. The new crown area density was calculated after pruning, where all pruned crown biomass was collected and weighed to determine crown mass. Mathematical analyses were developed to convert crown density values. The results showed that decurrent trees had a mean crown density of approximately 2.95 kg/m3, exceeding the value reported in reference research for excurrent trees (1.9 kg/m3). Since this research focused on tropical tree species, the results could serve as a reference for subsequent research on tropical tree structural characteristics.