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149 articles for “Variability”
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Research ArticleOpen accessIn the keywordsUptake and Translocation of Iron by Native Tree Species In A Constructed Wetland Treating Landfill LeachatesA. Snow, A. E. Ghaly, R. Cote, A.M. SnowA surface flow wetland was constructed in the Burnside Industrial Park, Dartmouth, Nova Scotia, to treat stormwater runoff from the surrounding watersheds which are comprised primarily of commercial properties and two former landfills. The objectives of this study were: (a) to compare the uptake of iron by red maple, white birch and red spruce trees growing under flooded soil conditions … …American Journal of Applied Sciences, Vol. 5, Issue 9 · 30 Sep 2009 · 6,868 accessesView PDFCite
Research ArticleOpen accessIn the keywordsProfiling of Phenolic Compounds of Somatic and Reproductive Tissues of Agave Durangensis Gentry (Agavaceae)Norma Almaraz-Abarca, Elí Amanda Delgado-Alvarado, Vicente Hernández-Vargas et al.Problem statement: In Durango, Mexico, mescal is elaborated from wild plants of Agave durangensis. This species shows a high morphological variability within and among populations, what makes its taxonomic delimitation a hard task. Approach: In this study the pollen and foliar phenolic compositions of Agave durangensis were analyzed by HPLC/DAD with the aim of determining the significance of phenol profiles … …American Journal of Applied Sciences, Vol. 6, Issue 6 · 30 Jun 2009 · 7,740 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSpatial-Temporal Yield Trend of Oil Palm as Influenced by Nitrogen Fertilizer ManagementAbdul Rahim Anuar, Kah Joh Goh, Tee Bee Heoh, Osumanu Haruna AhmedOne of the major challenges in oil palm (Elaeis guineensis Jacq.) plantations today is proper interpretation of yield maps for site-specific management and identification and understanding of the causal factors influencing the variability of oil palm yields. A study was conducted to examine the structural yield variation in order to assess the spatial and temporal yield trends so as to … …American Journal of Applied Sciences, Vol. 5, Issue 10 · 31 Oct 2008 · 7,549 accessesView PDFCite
Research ArticleOpen accessIn the keywordsUptake and Translocation of Manganese by Native Tree Species in a Constructed Wetland Treating Landfill LeachatesA. Snow, A.E. GhalyA surface flow constructed wetland was used to treat stormwater runoff from surrounding watersheds which are comprised primarily of commercial properties and two former landfills. The uptake of manganese by red maple, white birch and red spruce trees growing under flooded soil conditions in the constructed wetland was compared to that of the same trees growing under well drained soil … …OnLine Journal of Biological Sciences, Vol. 7, Issue 1 · 31 Dec 2007 · 7,505 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDynamics of Mobile Phosphorus and Potassium in the Soils of Agricultural Lands of Kostanay RegionAlmabek Nugmanov, Aliya Yskak, Tatiana Paramonova et al.Soil phosphorus deficiency is a growing constraint on crop productivity in the agricultural lands of the Kostanay Region, Republic of Kazakhstan, yet systematic data on the spatial dynamics of mobile phosphorus and potassium across soil types remain limited. This study assessed the availability of mobile forms of phosphorus and potassium, alongside key physicochemical properties, including soil pH and cation exchange … …OnLine Journal of Biological Sciences, Vol. 26, Issue 1 · 14 Apr 2026 · 1,594 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTransforming Spatio-Temporal Yield Maps to Classified Management Zone Maps for Efficient Management of Oil PalmAbdul Rahim Anuar, Kah Joh Goh, Tee Bee Heoh, Osumanu Haruna AhmedOne of the major challenges in oil palm plantations today is proper interpretation of yield maps for site-specific management and development of classified management zone maps for its efficient management. A study was conducted on an on-going fertilizer response trial in Sabah, Malaysia to examine the possibility of converting spatio-temporal yield maps of oil palm to classified management zone maps … …American Journal of Applied Sciences, Vol. 5, Issue 10 · 31 Oct 2008 · 7,500 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAssessing the Environmental and Socio-Economic Risk Factors of Climate Vulnerability in Low-Income Settlements of Kitwe City in ZambiaGeorge Kasali, Julius Kanyembo, Mapenzi Phiri, Mainza SibajeneRecent findings of the Intergovernmental Panel on Climate Change have clearly shown that climate change represents an urgent and irreversible threat to human societies and the planet and especially to the social and economic development of Africa.Therefore, the purpose of this study was to determine and identify the risk factors associated with climate vulnerability in selected slum settlements of Kitwe … …American Journal of Environmental Sciences, Vol. 13, Issue 2 · 25 Mar 2017 · 8,183 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCharacterization of the Genetic Diversity of Peach Cultivars in Taif by RAPD-PCRMohamed A. Nagaty, Salah El-Din El-Assal, Mahmoud M. RifaatProblem statement: Peach genotypes from the Kingdom of Saudi Arabia were not adequately characterized at the biological and molecular levels. This study was carried out to characterize nine peach cultivars growing in Taif (KSA) at the biological and molecular levels. Approach: For the nine peach cultivars studied, flowering and fruiting indices were determined and eight, 10-base primers were used to … …American Journal of Applied Sciences, Vol. 8, Issue 7 · 24 Jun 2011 · 7,271 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Impacts of Agricultural Supports for Climate Change Adaptation: Farm Level Assessment Study on Paddy FarmersMd. Mahmudul Alam, Mohd Ekhwan bin Toriman, Chamhuri Siwar et al.Problem statement: The climatic factors are changing very rapidly in Malaysia. To adapt farmers with the changes, government and other external agencies are providing several kinds of supports, but yet the adaptability is not that high. Approach: To analyze the climate change adaptability of the farmers in Malaysia, this study uses primary data that have been collected through questionnaire survey … …American Journal of Environmental Sciences, Vol. 7, Issue 2 · 26 May 2011 · 8,677 accessesView PDFCite
Research ArticleOpen accessIn the abstractImpact of Vitamin D Deficiency on Cardio Metabolic Ageing in Middle Aged Adults in India: A Comparative AnalysisSumit Kumar, Adithi K, Shailaja S MoodithayaAdvancing age is accompanied by a gradual deterioration in physiological function, resulting in an increased risk of chronic diseases and early mortality. Growing evidence suggests that inadequate vitamin D status may be associated with unfavourable metabolic and cardiovascular alterations. Nevertheless, information regarding the association of vitamin D status with integrated cardio-metabolic biomarkers of ageing in middle-aged adults is currently limited. … …OnLine Journal of Biological Sciences, Vol. 26, Issue 3 · 3 Sep 2026 · 732 accessesView PDFCite