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All Journal Bionatura Jurnal Ilmu Dasar Jurnal Natur Indonesia JBIO: jurnal biosains (the journal of biosciences) Tunas Geografi Jurnal Agrista Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Peronema Forestry Science Journal Jurnal Ilmu-Ilmu Pertanian Indonesia Jurnal Agribisnis Indonesia (Journal of Indonesian Agribusiness) Journal of Degraded and Mining Lands Management Jurnal Geografi Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Serambi Engineering Journal of Sylva Indonesiana Jurnal Agrium Pelita Masyarakat Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Golden Ratio of Social Science and Education CONSEN: Indonesian Journal of Community Services and Engagement Innovative: Journal Of Social Science Research Rona Teknik Pertanian Global Forest Journal Journal of Environmental and Development Studies INTERNATIONAL JOURNAL OF FINANCIAL ECONOMICS (IJEFE) Biodiversitas Journal of Biological Diversity

Delvian

Faculty Of Forestry, Universitas Sumatera Utara, Durin Tunggal, Pancur Batu Regency, Deli Serdang, 20353, North Sumatra, Indonesia

Author-ID : 2752183

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Growth Rate of Rhizophora apiculata Propaguls in Two Sylvofishery Ponds in Tanjung Rejo Village Percut Sei Tuan District Delvian; Siahaan, Indri Marita; Rambey, Ridahati
Journal of Sylva Indonesiana Vol. 2 No. 01 (2019): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Research on Growth Rate of propaguls of Rhizophora apiculata was carried out in Tanjung Rejo Village, Deli Serdang Regency, North Sumatra. The purpose of this study was to compare the growth of Rhizophora apiculata in two sylvofishery ponds. The parameters measured were height, diameter and number of leaves. During twelve weeks of observation, the height of the seedlings of Rhizophora apiculata was the best at ponds A, namely in the fifth week 1.8 cm with the best diameter increase of 0.2 cm, the highest number of leaves was 7 strands. At the ponds B, the highest increase in seedlings of Rhizophora apiculata was observed in the fifth week 1.8 cm, but did not experience any increase at all in the second week, with increasing diameters of about 0.05 - 0.1 cm, number of leaves range from 0 to 5 strands. This shows that the growth of Rhizophora apiculata is better at ponds A than at ponds B.

Pertumbuhan Dan Produksi Kedelai Varietas Anjasmoro Pada Tanah Salin Usnawiyah, Usnawiyah; Delvian, Delvian
Agrium Vol 9, No 1 (2012)
Publisher : Faculty of Agriculture, Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/agrium.v9i1.1269

Increased soybean production is competing with the extension of the use of agricultural land for non- agricultural needs. Therefore the future expansion of agricultural land can only use marginal lands such as peatlands, wetlands and tidal lands. This paper discusses the growth and production of soybean varieties Anjasmoro in saline environments. Varieties Anjasmoro have total leaf area and the percentage ratio of the canopy which is not significantly different from the other varieties tested except Kipas Merah. In the production of components, seed weight Anjasmoro 100 seeds varieties including higher and statistically the same as the varieties Kipas Putih dan Kipas Merah

Pengaruh Spesies Inang dan Sumber Nutrisi Terhadap Produksi Spora Fungi Mikoriza Arbuskula Delvian, Delvian
Jurnal Natur Indonesia Vol 10, No 2 (2008)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

An experiment to study the effect of host species and source of nutrient on spore production of an ArbusculeMycorrhizal Fungus, Gigaspora margarita, has been carried out. Combination treatments studied consisted ofhost species (Zea mays and Pueraria javanica) and nutrient factor (no fertilizer, fertilizer and Red Hyponex).Growth medium used was a mix of soil and sand in 1: 1 ratio (v/v) which was sterilized. Results of the experimentshowed that spore production of G. margarita was affected by host species and also by nutrient applied, thoughthere was no interaction between the two factors. However, P. javanica produced more spore than Z. mays.Treatment with Red Hyponex result much higher spores than others, but however without fertilizer produced morespores than Urea, TSP and KCl fertilizers.

APLIKASI ASAM HUMIK DAN PUPUK NPK MAJEMUK TERHADAP PERTUMBUHAN TANAMAN SUREN (Toona sureni Merr) PADA TANAH MARGINAL Marpaung, Ronald Pandapotan; Elfiati, Deni; D, Delvian
Peronema Forestry Science Journal Vol 1, No 1 (2012): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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The Marginal Land in Indonesia still in very large amount. Meanwhile, the accelerate to rehabilitate the land still very slow. The low of pH, C-Organik, N-Total, P and K-exchangeable become the parameter of marginal land condition. Therefore carried out research which combine acid humic and NPK fertilizer which applied to marginal land and seen its influence to growth of seed of suren. Research has been done in green house at Faculty Of Agriculture of USU on March-May 2012 using completely randomized factorial design of two factors that is concentration of humic acid ( 0%, 2.5% and 5%) and dose prular NPK fertilizer ( 0 gr; 1 gr; 2 gr; 3 gr and 4 gr per crop). The parameters observed were height of the plant, diameter of stem, dry wight, wide total of leaf and ratio of root crown. The results of research indicate that the concentration of humic acid do not have an effect on the reality to all of the parameters except to parameter of ratio of root crown. But dosage of NPK fertilizer have significantly effect to all of the parameters. The combination of the concentration of humic acid and NPK fertilizer do not have an effect on the reality to all parameter. All of the dose of NPK fertilizer besides control have a different significantly to the growth of the plant. Thereby, using of NPK fertilizer is good to growth of plant on marginal land media. Keyword : marginal land, humic acid, NPK fertilizer, seed of suren.

PLANTING OF RHIZOPORA TYPES IN MANGROVE FORESTS PERCUT SEI TUAN NORTH SUMATERA Ridahati Rambey; Delvian; Deni Elfiati
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 3 No. 1 (2018): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Mangrove forest is a tropical beach vegetation community dominated by several tree species that can grow and develop in tidal and muddy beaches. Some mangrove areas recently have been damaged due to illegal activities carried out by various parties, one of which is the East Coast of Sumatra in the Sub District Percut Sei Tuan, Deli Serdang District, Province of North Sumatra. The purpose of the activities is to focus on replanting mangrove lands that have been damaged by local species. The growned in Tanjung Rejo Village Percut Sei Tuan buds are like Rhizopora stylosa, Rhizopora apiculata and Avicennia marina type. Percentage of growing plants were R. stylosa (92.37%), R. apiculata (90%), mixed propagules of R. stylosa and R. apiculata (90%) and A. marina (56%) respectively. Overall the rehabilitation of mangrove forest is categorized as successful, but only one species of the smallest growing with percentage is A. marina (56%) this is because the location of planting is adjacent to the sea where the plants can not stand the tidal currents.

Agroforestry Land Management with the Community of Candi Rejo Village, Biru-Biru District, Deli Serdang, North Sumatra Delvian; Elfiati, Deni; Rambey, Ridahati
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Community Service Program in agroforestry land management together with the people of Candi Rejo of Village, Biru- Biru Sub-District, Deli Serdang, North Sumatra, aims to assist the community in managing agroforestry land to improve community skills in managing their agroforestry land. Some of the activities carried out are making compost using cocoa waste and animal husbandry, prunning cocoa plants to reduce pest and disease attacks and planting mindi, avocado, durian species for enrichment of species on agroforestry land. Based on the result of interviews with farmers that the use of compost is more effective in increasing cocoa production.

Mangrove Utilization as Sources of Ruminant Feed in Belawan Secanang Subdistrict, Medan Belawan District Fahriza Zuhri; Delvian; Ma’ruf Tafsin
Journal of Sylva Indonesiana Vol. 5 No. 01 (2022): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Mangroves hold several benefits, one of which is barriers from marine abrasion, food sources, aquatic habitats, carbon sinks and storages, places for education and training, ecotourism sites, and sources of ruminant feed. This study aimed to determine the potential of mangroves as sources of ruminant feed and its carrying capacity for sustainable mangrove utilization. The research was conducted in Belawan Sicanang Subdistrict by using purposive sampling for vegetation analysis and questionnaire method. Avicennia marina, Bruguiera sexangula, B. gymnorrhiza, Nypa fruticans, Rhizophora apiculata, Sonneratia alba, and Thespesia populnea were among the mangrove species used by the farmer. The total capacity of mangrove species as ruminant feed in the animal unit (AU) was obtained as dry matter (835.48 AU), crude protein (481.24 AU), and total digestible nutrient (873.77 AU). The carrying capacity of mangroves as represented in the form of dry matter (13.74), crude protein (7.91), and total digestible nutrient (14.36), were categorized as safe. In addition, the potential additional populations based on the safe level of carrying capacity (2.5) was 273 AU, based on crude protein for 131 AU, and based on total digestible nutrients for 288 AU.

PERTUMBUHAN Cassuarina equisetifolia BERMIKORIZA DALAM KONDISI CEKAMAN SALINITAS Delvian -; Elfiati, D. -
Bionatura Vol 14, No 2 (2012): Bionatura Juli 2012
Publisher : Direktorat Sumber Daya Akademik dan Perpustakaan

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Penelitian ini bertujuan untuk mempelajari peranan fungi mikoriza arbuskula (FMA) dalam meningkatkan toleransi dan pertumbuhan tanaman pada kondisi cekaman garam. Percobaan dilaksanakan dengan menggunakan Rancangan Acak Lengkap Faktorial terdiri atas dua taraf konsentrasi NaCl dan 7 tarafjenis inokulum FMA. Pengujian dilakukan dengan menggunakan kultur pot bertingkat. Hasil percobaan menunjukkan bahwa FMA tidak hanya meningkatkan berat kering dan serapan P tanaman, tetapi juga toleransi tanaman terhadap cekaman salinitas. Peningkatan toleransi salinitas diduga berhubungan dengan penyerapan P yang lebih efisien oleh tanaman bermikoriza. Serapan P tanaman bermikoriza meningkat sebesar 115,00% dibandingkan tanaman yang tidak bermikoriza. Mikoriza juga mampumengurangi pembentukan prolin sebesar 64,47% dan menekan akumulasi Na sebesar 61,58%.Kata kunci: Fungi mikoriza arbuskula, salinitas, serapan P, proline, natrium

Peranan Cendawan Mikoriza Arbuskula Terhadap Pertumbuhan Leucaena leucocephala dalam Kondisi Cekaman Garam Delvian Delvian
Jurnal Agrista Vol 11, No 3 (2007): Volume 11 Nomor 3 Desember 2007
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Rule of Arbuscule Mycorrhiza Fungi on Growth of Leucaena leucocephala Under Salt StressABSTRACT. Symbiosis Arbuscule Mycorrhiza Fungi (AMF) and plant were not only improving growth and nutrition absorption, but also crop tolerance salinity. Increasing of tolerance to salinity following colonization of AMF promising due to phosphate absorption more efficient. Phosphate absorption of mycorrhizal plant mount equal to 115% compared to non-mycorrhizal plant. This issue will improve growth of crop and decrease influence of toxic ions. Mycorrhizae also can lessen forming of proline equal to 64.47% one of the way of osmotic adjustment of non mycorrhizal plant to increase tolerance. Despitefully accumulate sodium in mucorrhizal plant lower than non mycorrhizal, were degradation of sodium accumulation equal to 61.58%.

Efektivitas Mikoriza Arbuskula dan Naungan pada Pertumbuhan Bibit Jati (Tectona grandis) Delvian Delvian
Jurnal Agrista Vol 12, No 2 (2008): Volume 12 Nomor 2 Agustus 2008
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Effectiveness of Arbuscular Mycorhiza and Shanding in Growth of Teak SeedlingABSTRACT. Interaction between mycorrhizal inoculan dosage with level of shade was significantly affected of seedling growth of height, total dry weight matter, soot root ratio, P content, and degree of infected root by mycorrhizal. The usage of mycorrizal inoculants dosage at 10 g per seedling which combined with level of shade 75% gave the best for seedling growth of teak for siz moth old. Increasing level of shade 25% to 75% increased seedling growth of teak. Furthermore, seedling of teak that treated mycorrzal inoculants dosage at 100 g per seedling was more significantly affected of seedling growth than 5 g per seedling.

Co-Authors . Elvitriana . Rosmayati . Zulfan Abda Abda ABDUL RAUF Abdul Rauf ABDUL RAUF ABDUL RAUF ADRIAN HARTANTO Agree Hutami Sinaga AGUS PURWOKO Agustrisno, Agustrisno Alan Syahputra Simamora Alief Aththorick Ameilia Zuliyanti Siregar Ameilia Zuliyanti Siregar Annie N Hutagalung Ariasta Bereona Tarigan Ariasta Bereona Tarigan Arida Susilowati Arida Susilowati Iswanto Arrasyid, Nurfida Khairina Aulia, Dwira Nirfalini Aznawi, Andi Aznan Bejo Slamet Budi Utomo Budi Utomo BUDI UTOMO Ceriati Magdalena Simanjuntak D Elfiati D Elfiati, D Dendi Parasian Pane Deni Elfiati Deni Elfiati Deni Elfiati Deni Elfiati Diana Sofia Hanafiah Dianingrum, Tengku Edy Batara Mulya Siregar Elfiati, D. - Elfiati, Deni Elfiati ENDANG HILMI Erman Munir ESTHER SORTA MAULI NABABAN etti sartina siregar Fadhilah, Amanatul Fahriza Zuhri Fathiatul Rizkia Aulin Febri Yoanita Harahap Febri Yoanita Harahap Fikarwin Zuska Gita Nasrani Sembiring Hamdani Harahap Hamidah Hanum Helmud Putra Anas Hutasoit Heni Pujiastuti Henti Hendalastuti Rachmat Herna Sianipar Hesti Wahyuningsih Ichwana Ichwana Indirawati, Sri Malem Ipanna Enggar Susetya, Ipanna Enggar IRWANDI IRWANDI Isnen Fitri Jamson H Tampubolon Jeskiel Sipayung Jumilawaty, Erni Jumilawaty Juneith O S Nadeak Kansih Sri Hartini Kiking Ritarwan Lusi Astri Simamora M. Basyuni Manurung, Cristo Mori Romario Masitta Tanjung MASRIZAL SARAAN Ma’ruf Tafsin Mohammad Basyuni MOHD HASMADI ISMAIL Mohd Hasmadi Ismail MOHD NAZIP SURATMAN Mona Fhitri Srena Mubaraq, Alfian Mubaraq Muhammad Iko Pratama Mukhlis Nauly, Meutia Nauly Nelly Anna Netti Herlina Nini Rahmawati Nini Rahmawati Nius Abdi Ginting Oding affandi Oding Affandi Pulungan, Afran Rouzani Puput Sarah Purnama Sari Sagala R. HAMDANI HARAHAP R. Hamdani Harahap R. Hamdani Harahap RAHMAWATY RAHMAWATY Rahmawaty Rahmawaty RAHMAWATY RAHMAWATY RAHMAWATY RAHMAWATY Rahmawaty, Rahmawaty Rangkuti, Ahmad Baiquni Rauf Rauf Reza Dimas Putra Ria Pertiwi Sianturi RIDAHATI RAMBEY Ridwanti Batubara Risnasari, Iwan Risnasari ROBERT SIBARANI Ronald Pandapotan Marpaung Sahat A. Sihombing SECA GENDASECA Shanti Desima Simbolon Siahaan, Indri Marita Siahaan, Nelson Manumpak Sidabukke , Simon Sihotang, Krisda Fadila SIMON H. SIDABUKKE Simon Sidabukke Sinuraya, Sofyanurrazaq Sivaipram, Itchika Sivaipram Slamet, Bejo Slamet Solihin Solihin Sumono Sumono Suryanti Saragih Susilowati, Arida Susilowati T Alief Aththorick T. ALIEF ATHTHORICK T. Alief Aththorick Ternala Alexander Barus Ternala Alexander Barus Ternala Alexander Barus Usnawiyah Usnawiyah, Usnawiyah Wahyu Fahreza Wika Astuti Sagala Zulfansyah, Ichfan Zulfredi Zulfredi Zulkifli Nasution Zumar Halim Rambe

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