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Muhammad Mardhiansyah
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PEMBERIAN Trichoderma spp. PADA MEDIUM GAMBUT UNTUK MEMACU PERTUMBUHAN SEMAI MERANTI TEMBAGA (Shorea leprosula Miq.) Mardhiansyah, M.; Arlita, Tuti
PEST Tropical Journal Vol 1, No 2 (2013)
Publisher : PEST Tropical Journal

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Abstract

This research aimed to determine the effect of Trichoderma spp. application inpeat medium of Shorea leprosula seedling quality and knowing the bestapplication doses of Trichoderma spp. to increase the growth of Shorea leprosulaseedling. The research used method completely randomized design (CRD) with of5 treatments and 10 replications. The treatment consisted of; T0 = Withoutapplication of Trichoderma spp. 0 gr/polybag; T1 = application of Trichodermaspp. 10 gr/polybag; T2 = application of Trichoderma spp. 20 gr/polybag; T3 =application of Trichoderma spp. 30 gr/polybag; T4 = application of Trichodermaspp. 40 gr/polybag. The research proved that the application of Trichoderma spp.in peat medium can increase the quality of Shorea leprosula seedling. Theapplication of Trichoderma spp. with a doses of 40 gr/polybag in peat medium isthe best treatment to the high growth (2.98 cm), diameter growth (1.56 mm), plantdry weight (3.09 gr) and top root ratio (2.65 gr).Keywords: Shorea leprosula, Trichoderma, peat medium
WAKTU POTENSIAL APLIKASI MIKORIZA DAN Trichoderma spp. PADA MEDIUM GAMBUT UNTUK MENINGKATKAN PERTUMBUHAN SEMAI MERANTI TEMBAGA (Shorea leprosula Miq.) Sari, Aulia; Mardhiansyah, M.; Sribudiani, Evi
PEST Tropical Journal Vol 1, No 1 (2014)
Publisher : PEST Tropical Journal

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Shorea leprosula Miq. is a major timber producing trees and importantcommodity in Indonesia. To get a good quality of Shorea leprosula Miq. shouldbe using proper cultivation techniques. Peat soils potential for growth Shorealeprosula Miq.. Mycorrhiza and Trichoderma spp. can assist the process ofdecomposition of peat soil and improve seedling growth, but need to know thepotential time to apply. This study aims to determine the potential time to applymycorrhizal and Trichoderma spp. in peat medium to boost growth seeds ofShorea leprosula Miq.. This study using a completely randomized design (CRD)consisting of 5 treatments and 10 replications. The treatments used were : T1 =Trichoderma spp. on S-5 and mycorrhiza on S-1, T2 = Trichoderma spp. on S-3and mycorrhiza on S-1, T3 = Trichoderma spp. and mycorrhiza on S-1 , T4 =Trichoderma spp. on S-1 and mycorrhiza on S-3, T5 = Trichoderma spp. on S-1and mycorrhiza on S-5, where S = seedlings were transferred to polybags aftertreatment. Responses were measured to observe the effect of treatments are thesurvival rate of seedlings, seedling height, diameter of the root seedling, plant dryweight and the ratio of crown/root. The results obtained from this study indicatedthat the time of application of Trichoderma spp. at 1 (one) day prior to weaningand mycorrhiza on three (3) days prior to weaning tended to show better results onShorea leprosula Miq. seedling growth.Keywords: Shorea leprosula Miq., Trichoderma spp., Mycorrhizal, peat medium
PENDUGAAN CADANGAN KARBON DI ATAS PERMUKAAN TANAH PADA KAWASAN TATA HIJAU PENYAMBUT TAMAN HUTAN RAYA (TAHURA) SULTAN SYARIF HASYIM PROVINSI RIAU Saputra, Donald; Sulaeman, Rudianda; M. Mardhiansyah, M. Mardhiansyah
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Forests are natural resource that provides great benefits for human welfare, both tangiblele and intangible benefits. The tangible benefits such as timber and non-timber forest products. Moreover, the intangible benefits such as recreational areas, protection and regulatory systems, micro climate regulators, erosion preventer and as carbon storage. Therefore, this research is aimedto determine the potential of carbon stocks above the surface of the soil one of the areas in Taman Hutan Raya (Tahura) Sultan Syarif Hasyim called Kawasan Tata Hijau Penyambut, Riau Province. Approximately 65.05 Ha, with a sampling intensity value of 3%. Plot determination and data retrieval has done by random sampling which research sampling method giving equal opportunity to be taken in every element of population or region. The collected data includes initial weight value, sample weight and dry weight at litter, seedling and under plant level. At the stake, pole and tree level, the collected data are local names, scientific names and diameter values of stands. The data was processed to calculate the value of the content of the biomass by summing the biomass at the level of stakes, poles and trees by using the equation of allometrik and biomass at a rate of litter, seedlings and lower plants using the formula from Indonesian National Standard. Based on the research that has been done, the potential of carbon content in Kawasan Tata Hijau was 136,28 ton/ha or 8.865 ton if extrapolated to the total area of the whole area.Keywords: Forest, Taman Hutan Raya, Biomass, Carbon
APLIKASI BEBERAPA DOSIS ABU SERBUK GERGAJI DAN PUPUK HIJAU JENIS LEGUMINOCEAE TERFORMULASI SEBAGAI PEMACU PERTUMBUHAN SEMAI Eucalyptus pellita F. MUELL PADA MEDIUM GAMBUT Adhiatma, Muhammad Jaya; Mardhiansyah, M.; Budiani, Evi Sri
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Eucalyptus pellita is one of plants that was developved as industrial timber plantations (ITP) and has entered third rotations in Riau. Overlay peat medium is handicap ITP business in Riau. Therefore it is urgent to determine treatment for the improvement of the peat medium. This research aims to determine influence of ash saw dust and green fertilizer type leguminoceae formulated to Eucalyptus pellita seedlings in peat medium and the best dosage to growth of Eucalyptus pellita seedlings. Research using randomized complete design (RCD) consist of five treatments and four replications and five units trial. T0 = No provision of  ash saw dust and green fertilizer type leguminoceae formulated ; T1 = 125 gr/polybag, T2 = 225 gr/polybag, T3 = 325 gr/polybag,and T4 = 425 gr/polybag. Research proved that the aplication in peat medium can increase the quality of Eucalyptus pellita seedlings. The aplication with a dosages 425 gr/polybag in peat medium is the best treatment  to percent of live (100,00%), the height growth (23,44 cm) and top root/ratio (2,00). Keywords:Eucalyptus pellita F. Muell, ash saw dust and green fertilizer type leguminoceae formulated, peat medium
MOTIVASI PEMANENAN KAYU RAKYAT BERDASARKAN KARAKTERISTIK PETANI HUTAN RAKYAT (Studi Kasus: di Desa Lumban Silintong, Kecamatan Pagaran, Kabupaten Tapanuli Utara, Sumatera Utara) Simamora, Roza D.; M. Mardhiansyah, M. Mardhiansyah; Darlis, Viny Volcherina
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Abstract

Harvesting of community timber is part of community forest management.Harvesting behavior is caused by harvesting motivation arising from the urgent need of life. Farmers will harvest crops if they are considered to be profitable even though they are not yet ripe, such as the cost of education, health costs, and other needs that exist in farm households in Lumban Silintong Village.The aim of this research was toidentify the characteristics of smallholder forest farmers in Lumban Silintong Village and to find out the motivation of harvesting of community timber in Lumban Silintong Village. Sampling method using porposive sampling.Data processing method used is descriptive method. Based on the result of the research, it can be seen that the characteristics of smallholder forest farmers in Lumban Silintong Village who have used the dominant wood harvesting in the age group of 15-64 years as many as 31 people (77.50%) belong to the productive age, Senior High School as many as 23 people (57.50%), with experience trying to farm for 31-40 years as many as 11 people (27.50%). Smallholder forest farmers in Lumban Silintong Village are harvesting timber with various motivations, the most dominant people harvesting motivation is education cost motivation. Keywords: Harvesting of community timber, harvesting motivation, farmer characteristics. 
PEMAHAMAN MASYARAKAT TERHADAP PENTINGNYA HUTAN DI LAHAN GAMBUT DI SEKITAR KAWASAN RIMBO PANJANG KABUPATEN KAMPAR PROVINSI RIAU Lisman, Aprizal; M. Mardhiansyah, M. Mardhiansyah; Yoza, Defri
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Peatland is one of natural resource that is very important and also in the economy of the country, including the availability of products in the form of forest timber and non-timber. Shrinking of the peatland area would provide the social, economic and health are devastating for the people of Indonesian. Example of the fires in peatlands not only cause economic losses but also has led to hundreds of thousands of residents suffered respiratory health problems that require careful management. RimboPanjang recent years becometalks of various parties, because peatland located in the area affected by fire due to forest clearing for agriculture and plantation. This study is a qualitative research and the method used was survey. The results showed the level of understanding of the importance of peatland forests for the environment in the village ofRimbo Panjang Kampar regency reached 83.15%, the public response quite well know the importance of peatland forests amounted to 68.42%.Keywords: Forest, peatlands, communityunderstanding 
PERSEPSI MASYARAKAT TERHADAP PENGEMBANGAN EKOWISATA AIR TERJUN GURUH GEMURAI DESA KASANG KECAMATAN KUANTAN MUDIK KABUPATEN KUATAN SINGINGI Metri, Erwis; Oktorini, Yossi; M. Mardhiansyah, M. Mardhiansyah
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Guruh Gemurai Waterfall is one ofthe ecotourism object in Kuantan Singingi Regency, especially in Kuantan Mudik Subdistrict. This research aims to determine the public perception of ecotourism development of Guruh Gemurai Waterfall in Kasang Village, Kuantan Mudik Subdistrict, Kuantan Singingi Regency. This research was conducted directly in the field with data collection methods through questionnaires and interviews to the people of Kasang Village, Kuantan Mudik Subdistrict. Methods of taking respondents using Slovin formula with incidental techniques. Data collection in this research also uses observation and documentation in the field. The data obtained is then reduced to a summary presented in the form of brief descriptions, tables and graphs. Data analysis was done by qualitative, quantitative approach with percentage and Likert Scale. The development of ecotourism GuruhGemurai Waterfall in perception well with the percentage of communityanswers 84.04%.All elements of society in Kasang Village want more involved in the management and development of ecotourism GuruhGemurai waterfall. Key words: Community Perception, Development, Ecotourism, Guruh Gemurai Waterfall. 
PENGGUNAAN MEDIA COCOPEAT BEKAS SEBAGAI MEDIA DAUR ULANG TERHADAP PERTUMBUHAN STEK ACACIA CRASSICARPA A. CUNN. EX BENTH DI PELALAWAN CENTRAL NURSERY (PCN)”. Tuah, Abdul; Mardhiansyah, Mardhiansyah; Arlita, Tuti
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Abstract

As the raw material of making papers, the need for wood always increases in everyday lives. There is one alternative to overcome that case; it is by advancing woods plants industry (HTI). Accacia crassicarpa is a kind of plant grown for HTI, hence it is necessary for providing a high quality of Accacia crassicarpa seeds and adding some vegetative plants by cutting a tip of leaf. For increasing the productivity, 100% of cocopeat media is used. This research used 100% of ex cocopeat. The problem raised is that the cocopeat media in PCN used only once in nursery so that it becomes a compost heap. Furthermore, in this research ex cocopeat is used as the alternative to fulfill the need for seedling media in PCN, hence the improvement of the quality of ex cocopeat with some tested treatment scientifically is so much required. The aim of this research is to find out the effects of using ex cocopeat as recycle media toward the growth of leaf cutting and determine the finest treatment for seeds growing of Acacia crassicarpa. The research method arranged in complete random program (RAL). The result revealed that using ex cocopeat media with the frying treatment can increase the growth of leaf cutting of Acacia crassicarpa. Fried ex cocopeat media and added with some dolomite are able to show the growth of leaf cutting of the finest Acacia crassicarpa with the living percent (86.66%), bud height (5.52%) and the diameter of leaf cutting (1.37). Keywords : Ex Cocopeat Media, Leaf Cutting, Acacia crassicarpa 
PERSEPSI MASYARAKAT TERHADAP KEBIJAKAN PEMERINTAH DALAM PENANGANAN BENCANA KEBAKARAN HUTAN DAN LAHAN DI SEKITAR TAMAN NASIONAL BUKIT TIGA PULUH Wirianto, Robby; M.Mardhiansyah, M.Mardhiansyah; Budiani, Evi Sri
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Bukit Tiga Puluh National Parks (TNBT) is a nature conservation area which the management are influence by people activities in the surrounding area. Public perception can be identified with an individual responsesto something they have been seen, heard, and felt in their environment.Forest and land fires always happens every year. One of the government effort to reduce the forest and land fires is by releasing a policy to handling the catastrophe of forest and land fires. Survey method is a way of collecting dara where the researcher or the data collector give a question or statement to the respondent either in verbally or in writing. There are 38 respondent taken 30 respondents from the three villages, and 8 respondents to the relevant institutions 2 respondents from National Park, 2 respondents from the forestry service and 4 respondents from non government organizations. The result showed that most of the villagers didn’t know about the government policy on forest and land fires. This research shows that 50% of Rantau Langsat villagers, 100% of Sungai Akar villagers, and 70% of Talang Lakat villagers didn’t know yet about the policy of the forest and land fires. Keywords: National Park, Forest and Land Fires, Policy, Public Perception
Pengaruh Sitokinin (Kinetin) dan Auksin (2,4-D) dalam Media Induksi Murashige dan Skoog terhadap Perkembangan Eksplan Meristem Apikal Tunas Anakan Tanaman Sagu (Metroxylon sagu Rottb.) Nurhidayah, Tengku; Mardhiansyah, Muhammad; Mulyani, Desti
Jurnal Agro Teknologi Tropika Vol 6, No 1 (2017)
Publisher : Jurnal Agro Teknologi Tropika

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This research aims to observe the effect of the concentration combination of cytokines (Kinetin) and auxin (2,4-D) in the induction medium MS to the development of the apical meristem explant shoots chicks of sago plant suckers. The research was carried out in the Laboratory of Plant Biotechnology Department of Agrotechnology Faculty of Agriculture, University of Riau, from October 2014 to January 2015. The experimental units were arranged in a completely randomized design consisting of six treatments: P1 = 0.1 mg/l kinetin + 5 mg/l 2,4-D; P2 = 0.1 mg/l kinetin + 10 mg/l 2,4-D; P3 = 0.1 mg/l kinetin + 15 mg/l 2,4-D; P4 = 0.2 mg/l kinetin + 5 mg/l 2,4-D; P5 = 0.2 mg/l kinetin + 10 mg/l 2,4-D; P6 = 0.2 mg/l kinetin + 15 mg/l 2,4-D and were replicated three times. Data were analyzed using analysis of variance and further analyzed with Duncan’s New Multiple Range Test at 5 % level. Parameters measured were shoot emergence time (days), number of shoots, shoots height (cm) and the number and percentage of shoots contaminated (%). The results showed that the addition of some concentration of kinetin and 2,4-D in MS induction medium affected on the development of the apical meristem explant shoots chicks of sago plant suckers. The best development of the apical meristem explant shoots of sago plant suckers was found on the combination of kinetin 0.2 mg/l + 10 mg/l 2,4-D.
Co-Authors ', Annisa ', Juliati , Khairilkasdi Adhiatma, Muhammad Jaya Aditia, Windy Sukma Agus Setiawan Akhmad Rafdi Azhimi Alpino Alpino Alpino Amrad Rabbani Piliang Anas Ritonga Andilau Andilau Andilau Andilau, Andilau Andrian Sianturi Andrian Sianturi Aprianto, M. Ikhsan Ardho, Ardho Ardiansyah Arida Susilowati Iswanto Arie Febriyan Rianto Arifin A.R. Manurung Ariska Yuliana Putri Ariska Yuliana Putri Arsetia, Dini Aulia R. Arta Pansiska T Asprizatul Azlan Astuti, Riya Aulia Sari Azis Gunawan Bakara, Jhon Pontas Binton Harianto purba Budiani, Evi Sri Budiani, Evi Sri Cahyani, Putri Charlita Herantoro Pribadi Cindy Melky Utami Citra Helen Patras Purba Dame R Pakpahan Darli, Viny Volcherina David Andrio Dede Komala Sari Dede Komala Sari Deden Syatria Defri ' Defri Yoza Desi Indriani Pasaribu, Desi Indriani Dian Andi Syahputra Dian Marliana Diana Gusti Rahayu Diana Wati Didi Tarmadi Djarwanto Djarwanto Dwi Ajias Pramasari Dwi Basliana Okta Efendi, Meizar Elni Segita Eni Rita Rosady Esti Rini Satiti Evi Sri Budiani Evi Sribudiani Ewi Irfani Fadlian, M Rizky Farhan, Hafid Fiki Rangga Abdi Gemi Marta Jepri Gusmita Sari Haliyani, Risda Hamido, Dhanu Hamka Sari Budiman Haris Aulia Reza Haris Aulia Reza Harsanto Mursyid Hasiolan Siahaan Heriyanto ' Ika Gussuwana Ika Gussuwana, Ika Ika Lestari Ika Lestari, Ika Irham, Wirdayati Junita Saila, Junita Kausar ' Khairilkasdi Khairilkasdi ' Khairul Anwar KHAIRUL ANWAR Khoirunnisa Khoirunnisa Kristian Nurdianto, Kristian Lestari, Antisa Tria Liong Nyuk Firdaus Lisman, Aprizal Loga Mouli Pamula Gumaja Luh Putu Ratna Sundari M Rizky Fadlian M. Khalil Iqbal Lubis M. Rizky Fadlian Maimun Usria Maria Agustina Manurung Maria Manurung Agustina Manurung Masruri, Niskan Walid Mawaddatun izzati Mawaddatun ‘Izzati Meizar Efendi Merry Syafrida Metananda, Arya Arismaya Metri, Erwis Mikrajni Harahap Mikrajni Harahap Mufidah Aulia Muh Arisandi Muhamad Ridho Muhammad Abdi Mukhamadun Mukhamadun Mulyani, Desti Nafiah, M. Ali Nazaris, Nazsha Nayyazsha Niskan Walid Masruri Nur Azlina Nur Suhada, Nur Nurul Qomar Nurul Qomar Okta Faisal Pamula Gumaja, Loga Mouli Pandu Rasyidi Pebriandi, Pebriandi Pebrianto Rajagukguk Pretti Sepsi Nola purba, Binton Harianto Putra, Ade Eka Putri Cahyani Qori Amatun Nufus Rahimah ' Raja Febrianto Ratih Damayanti Reno Susanto Riana Median Ridho, Muhamad Rimba Kurniawan S Rino Eka Pratama Rizal Efendi Rofi Julianda Rudang Fanny Rudianda Sulaeman Rudianda Sulaeman Rudianda Sulaeman Rudianda Sulaeman Safruni Safruni Safruni Sahab, Ahmad Sania Dwi Mulia Saputra, Donald Sartika, Reci Sasmita, Fani Shelly Maria Purba Silitonga, Ester Marisi Simamora, Roza D. Siti Aisyah Somadona, Sonia Sulaeman Yusuf Sutami Sutami Sutami Syafrinal Syafrinal Taufik Asman Tengku Aisyah Asyari Tengku Nurhidayah Tika Zulkarnain Tuah, Abdul Tumela, Gallery Tuti Arlita Vania, Desti Vona Septiani Putri Vona Septiani Putri Wa Ode Muliastuty Arsyad Wan Muhammad Yunus, Wan Muhammad Warman Fatra, Warman Wasgian Sri Hendrawi Wendy Fitrah Wirda Aprilia Ningsih Wirdayati Irham Wirianto, Robby Yanuar Hamzah Yoghi Gusrandi Yossi Oktorini Yuni Elfiza Yusup Amin Zikri Al Fikri Zuchra Helwani, Zuchra Zul Ningsi