Master Theses
Master Theses
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Pengurangan Akumulasi Timbal (Pb) dengan Memanfaatkan Mikoriza Arbuskula dan Tanaman Belimbing Wuluh (Averrhoa Bilimbi) Jabon (Anthocephalus Cadamba) Petai (Parkia Speciosa)
(Universitas Sumatera Utara, 2016)The objective of this research was to determine the effect of vesicular arbuscular mycorrhiza on the accumulation of Pb in plant starfruit, jabon, and petai, to know the optimal dosage of vesicular arbuscular mycorrhiza ... -
Hubungan Antara Kualitas Air dengan Kebiasaan Makanan Ikan Batak (Tor Douronensis) di Perairan Sungai Asahan Sumatera Utara
(Universitas Sumatera Utara, 2013)The study of water quality relationship and food habits of batak fish (Tor douronensis) in Asahan River North Sumatra was conducted. Aims of this research are to understand the water quality of Asahan River, the food habits ... -
Keanekaragaman Fungi Mikoriza Arbuskula pada Berbagai Varietas Tanaman Kopi
(Universitas Sumatera Utara, 2014)A study on diversity of vesicular arbuscular mycorrhizal on coffee plants of PT.Wahana Graha Makmur, Sidiangkat, Sidikalang have been carried out. The objective of this research was to know spore density, degree of root ... -
Taksonomi dan Distribusi Balakka (Phyllanthus Emblica L.) di Sumatera Utara Bagian Selatan
(Universitas Sumatera Utara, 2015)The study to determine the taxonomy and distribution of indian gooseberry (Phyllanthus emblica L.) has been carried out in Southern part of North Sumatera from December 2013 until August 2014. Data was collected through ... -
Studi Tumbuhan Herba di Kawasan Hutan Sibayak I
(Universitas Sumatera Utara, 2011)Study of Herbaceous plants in Sibayak I forest Deli Serdang District had been studied from March to June 2011. Study site was settled using purposive sampling with 134 plot of 2 x 2 m size. There are 136 species of herbs ... -
Keanekaragaman Tegakan Hutan dan Potensi Kandungan Karbon di Hutan Aek Nauli Kabupaten Simalungun
(Universitas Sumatera Utara, 2011)This research was conducted at the forestry area of Aek Nauli regency of Simalungun on January of 2011. The location of research is chosen by using purposive sampling method. The data was collected by combination of path ... -
Komposisi dan Struktur Tumbuhan Anggrek di Hutan Aek Nauli Kabupaten Simalungun
(Universitas Sumatera Utara, 2011)The study of Composition and structure of Orchids at Aek Nauli Forest Simalungun regency was conducted from December 2010 to March 2011 by using Purposive Sampling Method and data was collected at five’s area at several ... -
Ekologi dan Distribusi Zingiberaceae di Kawasan Hutan Aek Nauli Kabupaten Simalungun
(Universitas Sumatera Utara, 2011)A research about Ecology and Distribution Zingiberaceae in Aek Nauli forest district of Simalungun were conducted from December 2010 to Maret 2011. The study site was determined Purposive Sampling Method and divided in to ... -
Keanekaragaman dan pola Distribusi Tumbuhan Paku di Hutan Aek Nauli Kabupaten Simalungun
(Universitas Sumatera Utara, 2011)Research on the diversity and distribution patterns of forest ferns in Aek Nauli Simalungun Regency was held in December 2010 to February 2011. The research location is determined by using Purposive Sampling method an ... -
Kualitas Spermatozoa Sapi Limousin Selama Penyimpanan pada Refrigerator dalam Pengencer Two-Step Tm Extender dengan Suplementasi Kuning Telur bebek
(Universitas Sumatera Utara, 2015)The aim of this research was to study the effect supplementation of Duck egg yolk in two-steptm-extender on motility, viability, and morfology sperm of limousin bull. The research used randomized completely design with ... -
Ikan Batak (Neolissochillus Sumatranus) sebagai Bioindikator Pencemaran Logam Berat Timbal (Pb) dan Kadmium (Cd) di Perairan Sungai Asahan
(Universitas Sumatera Utara, 2013)Research on fish batak (Neolissochillus sumatranus) as bioindicators of heavy metal pollution of Pb and Cd in Asahan river. The samples were taken on January 2013 at 5 stations. Samples were taken were fish and water. ... -
Pengaruh Aplikasi Probiotik terhadap Kualitas Air dan Pertumbuhan Udang Litopenaeus Vannamei
(Universitas Sumatera Utara, 2014)A study on effect of probiotic on water quality and growth of shrimp Litopenaeus vannamei has been conducted. The purpose of this study was to determine the effect of probiotic in improving water quality in shrimp farming ... -
Analisis Kualitas Air Dihubungkan Dengan Kepadatan Makrozoobentos di Perairan Sungai Ular Kabupaten
(Universitas Sumatera Utara, 2013)The Associated of Water Quality Analysis with Makrozoobentic’s density in the waters of the Ular River Deli Serdang regency was conducted in October to November 2012. The location of research in waters of the Ular River ... -
Studi Pemberian Vitamin E atau Vitamin C terhadap Kuantitas dan Kualitas Spermamencit (Mus Musculus L.) yang Terpapar Tuak
(Universitas Sumatera Utara, 2014)This research aimed to determine the effect of vitamin E and vitamin C on the sperm quantity and quality of mouse (Mus musculus L.) which exposed to tuak, an alcoholic beverage made of fermented palm juice. Forty male ... -
Kepadatan dan Distribusi Kepiting Bakau Scylla SPP. Serta Hubungannya Dengan Faktor Fisik Kimia di Ekosistem Mangrove Belawan Sumatera Utara
(Universitas Sumatera Utara, 2013)The research about The density and distribution of mud crab’s Scylla spp. and its correlation to physical and chemichal in mangrove ecosystem Belawan, Medan North Sumatra was done from Mei to Juli 2013. Sample were taken ... -
Viabilitas dan Kemampuan Bakteri Kitinolitik Nr09 dan Bacillus Sp. Bk17 pada Berbagai Media Pembawa Dalam Menghambat Pertumbuhan Sclerotium Rolfsii dan Fusarium Oxysporum pada Benih Cabai Merah (Capsicum Annuum L.)
(Universitas Sumatera Utara, 2014)Fusarium oxysporum dan Sclerotium rolfsii has been known as causal agents of seedling-off of chilli. To control the disease biological control has been used as an alternative to replace chemical control. This study was ... -
Struktur Populasi dan Performa Reproduksi Udang Kelong (Penaeus Indicus) di Perairan Ekosistem Mangrove Belawan Sumatera Utara
(Universitas Sumatera Utara, 2013)Research about structure population and reproductive performance of Indian white prawn (Penaeus indicus) was conducted in May - July 2012 on estuarine water of Belawan’s mangrove ecosystem, North of Sumatera. The aims of ... -
Pengaruh Kitosan terhadap Struktur dan Kadar Residu Pb pada Ginjal Tikus Putih (Rattus Sp.) Jantan yang Dipapari Plumbum Asetat
(Universitas Sumatera Utara, 2013)The study aimed to determine the effect of chitosan on the kidney of rats (Rattus sp.) exposed to lead acetate. Thirty five male animals weighing 250g were divided into 7 groups: K group as a control (without treatment), ... -
Embriogenesis Somatik dari Bunga Betina Kelapa Sawit (Elaeis guineensis Jacq.)
(Universitas Sumatera Utara, 2014)This study entitle somatic embryogenesis from female flowers of oil palm (Elaeis guineensis Jacq.) has been done in tissue culture laboratory university of Sumatera Utara. The purpose of this research are find the best ... -
Isolasi dan Uji Antifungi Ekstrak Metanol, Etil Asetat dan Heksana Bakteri Endofit Dari Akar Tanaman Mentigi (Vaccinium varingaefolium)
(Universitas Sumatera Utara, 2013)Research on the role of endophytic bacteria on protection mechanism against past and diseases of plant and promotion of plant growth by bacteria metabolite has been very midely reported. The research was aimed to know the ...
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