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All Journal Jurnal Hutan Tropika ARRUS Journal of Engineering and Technology Jurnal Wana Tropika Proceedings Series on Physical & Formal Sciences Empowerment: Jurnal Pengabdian Masyarakat Jakadimas Jurnal Wana Tropika
Woesono, Hastanto Bowo
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Journal : Jurnal Wana Tropika

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KARAKTERISTIK MINYAK SEREH WANGI DARI DAERAH ISTIMEWA YOGYAKARTA Woesono, Hastanto Bowo; Sushardi; Purwanto, Muhammad Amir
Jurnal Wana Tropika Vol 11 No 2 (2021): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v11i2.182

Abstract

The market needs will be fragrant citronella oil increases, but it is not worth the production and quality of fragrant Lemongrass oil is produced. The purpose of this study, that is, to figure out the best combination of sources of raw materials and factors of the size of the craftmanship the leaves against the yield and quality of fragrant citronella oil. Research design used was Random Complete Factorial Design, using two combination treatment that is the source of the raw material and the size of the craftmanship leaves. The observed parameters include: color, yield, citronellal, citronellol and geraniol. The results of this study indicate that the color of the resulting eligible SNI 06-3953-1995 that is pale yellow to yellow-brown. Combination treatment of the source of the raw material and the size of the leaf is very different from real craftmanship against yield oil of citronella scented with the highest average on the source of raw material for the village of Wedomartani, craftmanship and size of 0.93% leaves 10 cm that is 0.94%. Chemical content of citronellal shows that the source of the raw material and the size of the different leaf craftmanship not real. Chemical content of citronellol and of the raw materials sources that geraniol very different real, whereas the size of different leaf craftmanship not real. The average content of chemical sitronellol and geraniol at the source of the raw materials of the highest village of Kebonharjo, the content of citronellol 13.11% and geraniol content 34.84%. Key words: raw material sources, treatment, quality of citronella oils
Study Produktivitas dan Efisiensi Penebangan Mekanis Tanaman Eucalyptus sp. Di Hutan Tanaman Industri Gaol, Santo Wibowo Lumban; Suwadji, Siman; Woesono, Hastanto Bowo
Jurnal Wana Tropika Vol 13 No 1 (2023): Mei
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v13i1.509

Abstract

The use of wood harvesting equipment greatly helps the company to achieve the goals, namely: (1) speed up the process of carrying out work; (2) carrying out the kind of work that cannot be done by human labor; and (3) it is done for reasons of efficiency, limited labor, security and economic factors. Therefore, in order for the goal to be achieved, it is necessary to choose tools that are appropriate, economical and in accordance with working conditions. The selection of inappropriate tools can result in not achieving the expected goals and can cause damage to the tool itself. In the process of logging carried out at PT. RAPP on fully mechanical and semi-mechanical systems uses different logging tools. Each tool in logging activities has its own disadvantages and advantages. So it is necessary to conduct research on comparing the productivity and efficiency of logging using chainsaws and excavator attachment tree shear on Eucalyptus sp plants. Based on the results of the test analysis conducted, the average chainsaw productivity of STIHL MS 382 was 11.32 m³ / hour smaller than the productivity of excavator KOBELCO SK-130 HD with attachman tree shear Dymax 14 In " of 27.34 m³ / hour.   As for the average operational cost of the STIHL MS 382 chainsaw of Rp.  7,043/m³ smaller than excavator KOBELCO SK-130 HD with attachman tree shear Dymax 14 In" of Rp.  11.541/ m³.
Siklus Hidup Ulat Sutera Samia ricini Daun Singkong dan Potensi Pakan dari Agroforestri Sengon dan Singkong di Widodomartani, Ngemplak, Sleman, Daerah Istimewa Yogyakarta Prijono, Agus; Rawana; Woesono, Hastanto Bowo; Nugroho, Yunianto Hargo
Jurnal Wana Tropika Vol 14 No 2 (2024): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v14i2.1641

Abstract

The people of Widodomartani mostly have agricultural land that is managed independently. One of the agricultural land management practices carried out is sengon and cassava agroforestry. Cassava in addition to being taken from the tubers and leaves for vegetables can also be used for the cultivation of samia ricini silkworms. Cassava is usually planted on the sengon path on the guludan path. The planting distance of sengon is 2m x 2m while the distance between yams is 2m x 0.7 m or between sengon there are 3 cassava. This study aims to determine life cycle of Samia ricini silkworms, the production of cassava leaves and their potential for the cultivation of Samia ricini silkworms. The method used was to take samples of cassava plants to calculate the number of stalks, calculate the weight of the leaves and convert the feed needs of Samia ricini caterpillars and to known life cycle of Samia ricini silkworms. The results of the study obtained for life cycle of Samia ricini silkworms 53-61 days (eeg fases 7 days, 21-30 days caterpillars/larva, 17 days cocoon/pupae, and 8 days imago/silkworms) and an average leaf production per cassava plant of 123,466 leaf stalks. The number of plants per ha is around 7,142,857 plants. The potential production of the number of thigh leaves is 881,899,982 stalks. The average weight of 1 petiole is 4.06 grams (average 2.786 grams without stalk). The feed requirement of 1 large caterpillar is 15.3097 petioles / 62.157 gr (42.6528 gr without stalk). One hectare of sengon and cassava agroforestry land can support the cultivation of 57,603,348 samia ricini caterpillars. The average weight of one cocoon is 2.10 grams and silk (cocoon not pupae) 0.28571 gr (13,6%). One ha of land can support the production of silk cocoon as much as 120,967,030 gr or 120,967 kg.
Diversitas Vegetasi dan Kontribusi Ketahanan Pangan Agroforestri Homegarden Berbasis Gaharu (Gyrinops Versteegii) di Bantul, Yogyakarta Rawana; Woesono, Hastanto Bowo; Falah, M. Darul
Jurnal Wana Tropika Vol 15 No 1 (2025): MEI
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v15i1.2065

Abstract

Agarwood agroforestry represents a land management system that combines agarwood-producing plants with food crops as a strategy for diversifying community food security sources. This study aimed to analyze the composition and species diversity of agarwood agroforestry components and evaluate their contribution to food security through food crop diversification. The research was conducted in Parangtritis Village, Kretek Sub-district, and Sawo Hamlet, Banguntapan Sub-district, Bantul Regency, Special Region of Yogyakarta, using systematic sampling method with 10 plots sized 20×20 m² (7 plots in Parangtritis, 3 plots in Sawo). Parameters measured included species composition, vegetation structure, and plant utilization for food security. Parameters measured in this study were: species, number, and plant benefits. Plant species identification used Steenis (1988) reference book. Species diversity index employed Shannon's index formula. The research findings revealed 24 tree species within 22 genera and 18 families with a total of 296 individuals. Of this number, 17 species (70.8%) contributed directly to food security, comprising: 15 fruit-producing species, 1 vegetable species, 1 oil-producing species, and 4 medicinal plant species. Shannon diversity indices in Parangtritis and Sawo were 1.46 and 1.87 respectively (moderate category), with evenness indices of 0.59 and 0.65 (moderate category). Species richness in Sawo (R=4.12) was higher compared to Parangtritis (R=2.02). The agarwood-based homegarden agroforestry system proved capable of providing sustainable food diversification with varied harvest seasons ensuring year-round food availability, thus having potential as a community-based food security model.
Co-Authors ., Rawana Agus Prijono Budi Raharjo Damayanty, Dhewy Duru, Anastasya Falah, M. Darul Gaol, Santo Wibowo Lumban Hadi, Didik Surya Herin, Maria C.P Kusumaningsih, Karti Rahayu Nofriansyah, Wahyu Nugroho, Yunianto Hargo Pratiwi, Lufitasari Indah Pujasa, Dwita Purwanto, Muhammad Amir Rawana Saputro, Setiaji Heri Sentot Purboseno Sugeng Wahyudiono, Sugeng Suhartati, Tatik Supriyanto, Gani Sushardi Sushardi Sushardi, Sushardi Suwadji, Siman Telaumbanua, Imelda Kristy Webliana, Kornelia Wisnu Wardana, Wisnu