A - Mathematics and Natural Sciences: Recent submissions
Now showing items 241-260 of 309
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KADAR BESI (Fe) PADA TANAMAN BAYAM CABUT (Amaranthus tricolor L.) YANG DITANAM PADA BEBERAPA MEDIA TANAH BEKAS GALIAN TAMBANG BATUBARA DI SAMARINDA
(Bioprospek by Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Mulawarman Samarinda, 2016-03-15)This research aims to find out if there is a correlation between the availability of Fe on the soil of an excavated coal mine with Fe levels in spinach. This research out by experiment Completely Randomized Design consists ... -
JENIS TUMBUHAN SUMBER NEKTAR LEBAH Apis dorsata Fabr. DARI DESA BUMI HARAPAN DAN DESA BUKIT RAYA KECAMATAN SEPAKU KALIMANTAN TIMUR
(Bioprospek by Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Mulawarman Samarinda, 2016-04-20)This research aims to find out what kind of plants that become the source of nectar for Apis dorsata Fabr. in two different villages, namely Bumi Harapan village and Bukit Raya village, in Sepaku Region, East Borneo, and ... -
PENGARUH KOMBINASI MEDIA TANAM DAN PEMUPUKAN TERHADAP PERTUMBUHAN BIJI TUMBUHAN SARANG SEMUT (Myrmecodia tuberosa Jack.)
(Faculty of Science and Technology, Syarif Hidayatullah State Islamic University Jakarta, 2013-04-06)Anthill plant (Myrmecodia tuberosa Jack.) or sarang semut is a native plant epiphytes from Indonesia. Anthill plants used as a medicinal because contains compounds active such as flavonoids, tannins and polyphenols that ... -
Nutrient distribution on soil and aboveground biomass of Macaranga gigantea five years after planting
(2018)The aims of this study were to evaluate growth of M. gigantea and to calculate nutrient distribution in the soil and 5 - year - old M. gigantea . Soil sampling was conducted in all research plots with drill ground at a ... -
Effect Of Vesicular-Arbuscular Mycorrhizae Inoculation And Liquid Organic Fertilizer Application To The Phosphorus Concentration On Soybean (Glycine Max L.) In Soils Post-Coal Mining
(2018)This study aims to determine effect of Vesicular-ArbuscularMycorrhizaeand Liquid Organic Fertilizerapplication to the phosphorus concentrationon soybeans grown in acid soils of post-coal mining. The research use completed ... -
Growth, biomass production and nutrient accumulation of Macaranga gigantea in response to NPK fertilizer application
(2017)Research described in this paper investigated the effect of fertilizer application on the growth, biomass production and nutrient accumulation of mahang ( Macaranga gigantea ) plant components. The experiment was carried ... -
Growth Of ShootsCuttings Agarwood(Aquilaria MalacensisLamk.) On Some Media And Application Sinthetic Plant Growth Regulator
(2017)This research aims to determine the effect of giving IBA and NAA and plant media combination to the growth of shoot cutting of Agarwood. This research was done by 2 treatments which are IBA and NAA (RO = 0 ppm, R1 = 50 ... -
Characterizing nutrient status and growth of Macaranga gigantea in tropical rainforest gaps after sel ective logging in East Kalimantan, Indonesia
(2017)Selective logging caused the formation of fo rest gaps, which stimulate the growth of the pioneer tree species. This study aims to determine the characteristic of soil nut rients status and plant growth of Macaranga gigantea ... -
Flowering, fruiting, seed germination and seedling growth of Macaranga g igantea
(1950)T he stages of flower and fruit development of M acaranga gigantea , its seed germination behavior in nature and from fruit harvesting, as well as the process of raising its seedlings in the laboratory were studied to ... -
Effect Of Inoculant Rhizobium And Compost As Amelioration On Growth Of Peanut (Arachis Hypogaea) In Soil Post-Coal Mining
(2017)This study aims to determineeffect of inoculant Rhizobium and compost on growth and the number of root nodules on peanut in soil media ex-coal mining. This research used 2 treatments,which are Rhizobium (0,10,15,20 and25 ... -
Soil and leaf nutrient status on growth of Macaranga gigantea in secondary forest after shifting cultivation in East Kalimantan, Indonesia
(2016)Macaranga gigantea is an important pioneer plant species in the tropical secondary forest of Kalimantan and as far the attractive wood sp ecies was not commercially cultivated. This study aims to determine the soil and ... -
Suitability and availability analysis of tropical forest wood species for ethanol production: a case study in East Kalimantan
(2016)Fifteen species of woody biomass from tropical forest of East Kalimantan, Indonesia and identified as Acacia mangium , Aleurites moluccana , Alstonia scholaris , Anthocephalus cadamba , Artocarpus altilis , Artocarpus ... -
Analysis Phytochemical of Ethyl Acetate Extract of Stem Bark of the Garlic Tree Scorodocarpus borneensis Becc.
(2016)The objective of this study was to examine the phytochemical components, antioxidant activity and antibacterial property of ethyl acetate extract of the stem bark of garlic tree (Scorodocarpus borneensis). The dried stem ... -
Phytochemicals analysis and antibacterial activity of the leaf of red meranti, Shorea leprosula (Dipterocarpaceae)
(2016)Sudrajat, Susanto D, Kartika R. 2016. Phytochemicals analysisand antibacterial activity of the leaf of red meranti, Shorea leprosula(Dipterocarpaceae). Nusantara Bioscience 8: 111-116. This study aims to investigate the ... -
Sosialisasi Dan Pelatihan Manajemen Keselamatan Dan Kesehatan Kerja Laboratorium Bagi Guru-Guru SMA Dari Kota Samarinda Dan Tenggarong
(Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA, 2018)Referring to the Indonesian Law, UU No. 1 tahun 1970, Occupational and Health Safety (OHS), laboratory is a place that has several hazards and potential risks to health and safety. Furthermore, OHS management for Senior ... -
A preliminary study on the biodiversity of fish in the Suhui River, Muara Ancalong, East Kutai, Indonesia
(AACL Bioflux, 2016)The main objective of this study was to screen and identify the potency of the fish that are found in the Suhui River as a basis for aquaculture and conservation programs. Twenty-nine fish species were ... -
Development Of Nonparametric Geographically Weighted Regression Using Truncated Spline Approach
(Songklanakarin Journal of Science And Technology, 2018)Nonparametric geographically weighted regression with truncated spline approach is a new method of statistical science. It is used to solve the problems of regression analysis of spatial data if the regression curve is ... -
Evaluation of Factors Affecting Increased Unemployment in East Java Using NGWR-TS Method. ISSN (Print & Online): 2307-4531
(International Journal Of Sciences: Basic and Applied Research, 2019)Objectives: In this study, an experimental investigation of how the factors that affect TPT in East Java Indonesia from a spatiotemporal perspective. Study Design: Data were taken from 38 Regencies/Cities in East Java ... -
Simultaneous Hypothesis Testing of Multivariable Nonparametric Spline Regression in the GWR Model
(2019)In this research, studied multivariable nonparametric geographically weighted regression use truncated spline approach. The model is an expansion of nonparametric truncated spline regression that takes into account ... -
A New Method of Hypothesis Test for Truncated Spline Nonparametric Regression Influenced by Spatial Heterogeneity and Application
(Jurnal International Abstract and Applied Analysis, 2018)This study we development a new method of hypothesis testing of model conformity between truncated spline nonparametric regression influenced by spatial heterogeneity versus truncated spline nonparametric regression. This ...