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All Journal Jurnal Silvikultur Tropika (JST) Jurnal Penelitian Hutan dan Konservasi Alam Jurnal Penelitian Hutan Tanaman Syntax Literate: Jurnal Ilmiah Indonesia NUSANTARA : Jurnal Ilmu Pengetahuan Sosial JURNAL CRANKSHAFT STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering Jurnal Maenpo : Jurnal Pendidikan Jasmani Kesehatan dan Rekreasi Edu Sportivo: Indonesian Journal of Physical Education Bima Loka: Journal of Physical Education Indonesian Journal of Sport Management Jurnal Pedagogi Olahraga dan Kesehatan Public Health and Safety International Journal (PHASIJ) Engineering and Technology International Journal (EATIJ) Jurnal Pendidikan Indonesia (Japendi) AMMA : Jurnal Pengabdian Masyarakat
Cahyo Wibowo
Departemen Silvikultur, Fakultas Kehutanan Institut Pertanian Bogor
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Journal : Jurnal Silvikultur Tropika (JST)

 1 
Relationship Transpiration Ability with Growth Dimension of Seedling Acacia decurens Inoculated with Glomus etunicatum and Gigaspora margarita HUBUNGAN KEMAMPUAN TRANSPIRASI DENGAN DIMENSI TUMBUH BIBIT TANAMAN Acacia decurrens TERKOLONISASI Glomus etunica Arif Budi Setiawan; Sri Wilarso Budi R.; Cahyo Wibowo
Jurnal Silvikultur Tropika Vol. 6 No. 2 (2015): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.6.2.%p

Abstract

Transpiration plays very important role in ensuring good plant metabolism. However, techniques/methods used for its assessment are difficult and also quite demanding in terms of resources and technical know-how. Again, the results from transpiration measurements are not applicable to different samples and locations. Therefore it is necessary to study the relationship between transpiration ability with growth dimension of seedlings for predicting transpiration ability by a simple method. The research design was the completely randomized design with mycorrhizae arbuscular inoculants. This study used inoculants from silviculture laboratory identified as Glomus etunicatum (M1) and Gigaspora margarita (M2). Regression model analysis was used to determine the relationship between transpiration ability with growth dimension of Acacia decurrens seedling. There was a positive effect of mycorrhizae symbiosis which increased the transpiration ability with a strong relation for increasing seedling growth dimension. Transpiration ability is superior in G. etunicatum of 0.002863 mol m-2 s-1. The transpiration ability in control and G. etunicatum could be predicted with regression equation of R2 >70%, but in M2 intervention the model could not be predicted it was because of multi-colonization between the independent variable.Key words: Acacia decurrens, Gigaspora margarita, Glomus etunicatum, Regression, Transpiration
KEANEKARAGAMAN MAKROFAUNA TANAH PADA BERBAGAI TIPE TEGAKAN DI AREAL BEKAS TAMBANG SILIKA DI HOLCIM EDUCATIONAL FOREST, SUKABUMI, JAWA BARAT Soil Macrofauna Diversity on Various Types of Stands in Silicas’ Post-Mining Land in Holcim Educational Forest... Cahyo Wibowo; Syamsudin Ahmad Slamet
Jurnal Silvikultur Tropika Vol. 8 No. 1 (2017): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.8.1.26-34

Abstract

Soil Macrofauna has a very important role in maintaining soil fertility through the decomposition of organic matter, nutrient distribution, increasing soil aeration and so on. The existence of soil macrofauna are very important in helping the process of rehabilitation of post-mining land because they contribute to the improvement of the physical, chemical, and biological properties of soil. The purposes of this study are to identify and quantify the diversity of soil macrofauna in various types of stands and land without stand in Holcim Educational Forest. The highest abundance of soil macrofauna was found in mixed stand with 240 individuals in nine plots of observation, each plot was 40 cm x 40 cm. Layers of soil (0-10 cm) has an abundance of soil macrofauna higher than in the litter layer, because soil layer can provide protection from direct sunlight and enough food for soil macrofauna. Mixed stand has the highest soil macrofauna diversity (H '= 2.52, DMG = 6.93, J' = 0.63), as it has a more diverse vegetation and highest canopy density. Environmental conditions such as soil temperature, canopy density, and soil organic matter can influence the composition and abundance of soil macrofauna, so that the soil macrofauna can be used as an indicator in monitoring environmental quality. Soil macrofauna that dominates in all the stands and land without stand, were red ants (Formicidae 7), termites (Rhinotermitidae 1), earthworms (Megascolecidae 1), and larvae of Coleoptera (Scarabaeidae 1).Key words: abundance, diversity, environment, soil macrofauna
PERANAN ARTHROPODAA DI EKOSISTEM EKOTON DAN KELAPA SAWIT The Role of Arthropodas in Ecotone and Oil Palm Ecosystems Noor Farikhah Haneda; Cahyo Wibowo; Muhammad Hasbi
Jurnal Silvikultur Tropika Vol. 8 No. 2 (2017): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.8.2.116-122

Abstract

Forest land conversion into oil palm plantation causes drastic ecological changes which influence various species in the ecosystem. Arthropoda, as one of the components of biodiversity, has important roles as herbivore, predator and parasitoid, and detritivore. This research was conducted in village of Runtu, Subdistrict of Arut Selatan, District of Kotawaringin Barat, the province of Central Kalimantan. Techniques of Arthropoda sample collection were pitfall trap, malaise trap, and sweep net conducted in two ecosystems. The two ecosystems were ecotone (transition between forest and oil palm plantation) and oil palm plantation. Research results showed that forest existence could increase the abundance of arthropoda. Abundance of Arthropoda in ecotone ecosystem was higher as compared to that in oil palm plantation. Populations of predator and parasitoid Arthropoda were higher in ecotone ecosystem.Key words: Arthropoda, detritivore, herbivore, oil palm plantation, predator, parasitoid
IDENTIFIKASI KESESUAIAN LAHAN UNTUK JATI (Tectona grandis Linn.f) DI PT. MELAPI TIMBER, KALIMANTAN TIMUR Identify Suitable Land for Jati (Tectona grandis L.f) in PT. Melapi Timber, East Kalimantan Susanti .; Prijanto Pamoengkas; Cahyo Wibowo
Jurnal Silvikultur Tropika Vol. 9 No. 1 (2018): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.9.1.31-36

Abstract

Land evaluation of a tract of land, for its suitability to be planted with a particular plantation species is an importantstep for species choice in plantation forest. A weight factor matching (WFM) approach of this study, was used to identifysuitable land for jati (Tectona grandis L.f) in PT. Melapi Timber, East Kalimantan. Land suitability is affected by climate,soil and topograph. According to WFM, the results indicated that important variables which limit T. grandis in theresearch area were pH, cation exchange capacity (CEC), potassium (P) and soil depth condition. The study results showthat 4 of 5 land units are marginally suitable (S3) for T. grandis cultivation in PT. Melapi Timber.Key words: Land evaluation, suitability, Tectona grandis L.f., weight factor matching (WFM)
PENGARUH KEBERADAAN AKAR ADVENTIF DAN MEDIA TANAM TERHADAP PERTUMBUHAN STEK CABANG BAMBU BETUNG (Dendrocalamus asper Schult Backer ex Heyne) Influence of Adventitious Roots and Planting Media on Growth of Branch Cutting of Betung Bamboo Yan Eka Prasetyawati; Cahyo Wibowo; Sri Wilarso Budi R.
Jurnal Silvikultur Tropika Vol. 9 No. 2 (2018): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.9.2.109-115

Abstract

The need of bamboo raw materials, betung bamboo for instance, keeps increasing in line with the rising rate of population growth and science development. Therefore, stands of bamboo clumps with sustainable productivity and quality, are absolutely required. One of betung bamboo’s characteristics is presence of adventitious roots in branches of bamboo culm. The problem is that many of such branches often have dry adventitious roots which are brown in color. Based on such condition, research of the effect of presence of dry adventitious roots, need to be conducted, as well as the effect of growth media, on the growth of bamboo branch cuttings. The research objective is to examine the effect of bamboo branches with dry adventitious roots and planting media on growth of betung bamboo’s branch cuttings. The media used are soil, rice husk charcoal and compost. The experiment which used factorial RAK design showed that planting media significantly affected leaf numbers, whereas adventitious roots had significant effect on all measured parameters, including shoot length, shoot numbers, leaf numbers, oven dry weight of roots, and survival percentage. Media with the highest leaf numbers were mixture of soil and rice husk charcoal.Keywords: adventitious root, Dendrocalamus asper, planting media, branch cutting
Komposisi Jenis Tumbuhan Bawah dan Sifat Tanah di Lahan Bekas Tambang Kapur dan Silika PT Holcim Indonesia Tbk Cahyo Wibowo; Dadan Mulyana; Wiwi Wildasari
Jurnal Silvikultur Tropika Vol. 11 No. 2 (2020): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.11.2.82-88

Abstract

Mining activities were carried out, causing damage on soils, increased rates of erosion, decline in productivity and stability of the land. The revegetation process takes a long time, so it needs to plant cover crop plants. The goal of planting cover crop is to protect the soil from erosion . This research aims to study the composition of understory vegetation, and its potential to function as cover crops on soil which contain lime and silica in PT Holcim Indonesia Tbk. Undergrowth vegetation which was dominant in the ex- mining land of silica and lime were Imperata cylindrica and Eleusine indica soil properties in both locations were categorized as not fertile. Key words: cover crop, diversity of species, mining, soil properties, understorey
Evaluation Physical Quality of Eucalyptus Seedlings (Eucalyptus pellita F. Muell) in the BPDAS Citarum-Ciliwung Nursery, Rumpin, West Java Wulandari, Arum Sekar; Wibowo, Cahyo; Fauziah, Nadira Aribah
Journal of Tropical Silviculture Vol. 14 No. 03 (2023): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.14.03.250-257

Abstract

Keberhasilan penanaman di lapangan sangat dipengaruhi oleh kualitas bibit yang digunakan. Tujuan penelitian ini adalah mengevaluasi mutu fisik bibit eukaliptus yang diproduksi Pusat Persemaian BPDAS Citarum-Ciliwung berdasarkan SNI 8420:2018. Penilaian mutu bibit eukaliptus dilakukan berdasarkan persyaratan yang tercantum dalam SNI 8420:2018. Hasil evaluasi mutu fisik bibit eukaliptus di Pusat Persemaian BPDAS Citarum-Ciliwung menunjukkan bahwa bibit eukaliptus sudah lulus uji persyaratan umum untuk asal usul benih dan bibit normal (kriteria batang berkayu); dan lulus uji untuk persyaratan khusus. Bibit eukaliptus tidak lulus uji persyaratan umum bibit normal untuk kriteria batang lurus dan bibit sehat. Bibit eukaliptus yang tidak lulus uji, dapat dilakukan uji ulang setelah bibit diseleksi atau perbaikan kualitas bibit. Perbaikan kualitas bibit dapat dilakukan dengan melakukan kegiatan penjarangan secara rutin di persemaian. Kata kunci: asal-usul benih, bibit normal, persyaratan umum, persyaratan khusus, Standar Nasional Indonesia 8420:2018
Co-Authors Adri Maldi Subardjah Angkit Kinasih Antoni, Muhammad Sigit Apri Wiyono Arif Budi Setiawan Arum Sekar Wulandari Astriana Baiti Sinaga Atok Subiakto Beatriksan, Yulianus Budi Triyono Dadan Mulyana Danu Danu Dennys Christovel Dese Dewadi, Fathan Faisal Danu Tuheteru Fathan Mubina Dewadi Fauziah, Nadira Aribah Ferdiyansyah, Ferdiyansyah Handy, Rayhan Aliva Vitra Hulu, Alwin Praiman Ipa Sari Kardi Ira Maisarah Irdika Mansur Iskandar Z. Siregar Jumari Kukuh Pambuka Putra KURNIASETIAWATI, ANNISA Maulana, Jon Mubina Dewadi, Fathan Muchamad Arif Al Ardha Muhammad Hasbi Munir Fahmi, Mokhamad Muryanto Muryanto, Muryanto Muryanto, M Noor Farikhah Haneda Nopiyanto, yahya eko Panalili T, Ojakma Sihar Pradibya, Aguch Vergianata Prijanto Pamoengkas Pujianto, Dian Purba, Dolok Putra, Fisika Prasetyo Rinaldi, Kardian Setiawan, Apri setiawan, Dibyo Siahaan, Herbert Hasudungan Sidi, Agam Allende Sri Wilarso Budi Sudarmanti, Rini Suhara, Ade Sukmawati, Dian Sunaryo, Sulistianto Susanti . Syamsudin Ahmad Slamet Telaumbanua, Observasi S. J Tingsapat, Suthana Tumanggor, Ojakma Sihar Panaili Wiwi Wildasari Yan Eka Prasetyawati