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Research ArticleOpen accessIn the abstractSalicylic Acid Protects Nitrate Reductase Activity, Growth and Proline in Amaranth and Tomato Plants during Water DeficitC. E. Umebese, T. O. Olatimilehin, T. A. OgunsusiProblem statement: Seedlings of Amaranthus hybridus cv. NHAC-3 (large green, amaranth) and Lycopersicum esculentum cv. Roma (tomato) were subjected to 7 days water stress at Early Vegetative (EV), Late Vegetative (LV), Early Flowering (EF) and Late Flowering (LF) stages of growth to study the impact on leaf water potential (ψw), Nitrate Reductase Activity (NRA), growth (plant height, shoot and root … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 3 · 30 Sep 2009 · 9,569 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Super Absorbent Application on Antioxidant Enzyme Activities in Canola (Brassica napus L.) Cultivars under Water Stress ConditionsH. R. Tohidi-Moghadam, A. H. Shirani-Rad, G. Nour-Mohammadi et al.Problem statement: Drought stress significantly limits Canola (Brassica napus L.) growth and crop productivity. Hence, efficient management of soil moisture and study metabolic changes which occur in response to drought is important for agricultural production of this Crop. Approach: For a better understanding of drought tolerance mechanisms and improving soil water content management strategies, an experiment was laid out in … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 3 · 30 Sep 2009 · 8,607 accessesView PDFCite
Research ArticleOpen accessIn the abstractRegionalism and Its Effects on Iranian Agricultural Exports: The Case of Economic Cooperation OrganizationMandana Toosi, Reza Moghaddasi, Saeed Yazdani, Majid AhmadianProblem statement: World economy has become increasingly integrated. There is an underlying assumption that integration into the world economy provides more opportunities for trade. The evidence shows that integration at the regional levels can help developing countries to prepare for the international economic integration. It will be important to outline and analyze past efforts at regional integration (regionalism) to have … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 6,928 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Market Orientation on Business Performance of the Companies Designing and Manufacturing Clean RoomsAmirhossein Amirkhani, Rasool Sanavi FardProblem statement: Theatrically claimed that there is relationship between market orientation and improvement of business performance of the companies, but the regular empirical research is carried out to understand deeply and prove these claims especially in Iranian environment. Considering the importance of market orientation, as well as lack of information on its effects, this study considered its effect on the … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 7,579 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Theory of the Risks of Venture Capital FinancingEdmund H. MantellProblem statement: There is no general theory analyzing how the time-varying cash flows of venture capitalist financing affect the likelihood of success of a new venture. This research addressed that lacuna in the literature. Approach: Research in the area of venture capital financing was needed because of the importance of new ventures as germinators of technological innovation. The research in … …American Journal of Economics and Business Administration, Vol. 1, Issue 2 · 30 Jun 2009 · 7,765 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Case for Interdisciplinary Environmental Education and ResearchWill Focht, Charles I. AbramsonProblem statement: Interdisciplinary environmental education and research at American colleges and universities have been criticized for ambiguous focus, insufficient integration and lack of rigor. Part of the reason for a clearly articulated conceptualization of the field is the failure to reach a consensus among those in the environmental profession and academic community on an overarching paradigm of environmental education and … …American Journal of Environmental Sciences, Vol. 5, Issue 2 · 30 Apr 2009 · 7,208 accessesView PDFCite
Research ArticleOpen accessIn the abstractImpact of Information Asymmetry on Municipal Bond Yields: An Empirical AnalysisKenneth Daniels, Demissew Diro EjaraProblem statement: There is a significant difference between the interest rates on the GO and the RV municipal bonds. We sought explanation for this difference in differences in information asymmetry between the two types of municipal bonds. GO bonds finance general municipality expenditures and repayment is from general tax revenues. RV bonds finance special projects and repayment is from cash … …American Journal of Economics and Business Administration, Vol. 1, Issue 1 · 31 Mar 2009 · 8,037 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Ambient Gasess on Respiration of Soil Supporting Four Crops in Central Saudi ArabiaAkram Ali, Ahmad Alfarhan, Ibrahim Aldjain, Nagat BokhariThis study was conducted at four localities (Maseef, Naseem, Oleya and Industrial City) in Riyadh city, KSA to determine the effect of increased tropospheric gases on responses of in situ soil respiration (Rs) of wheat (Triticum aestivum L. cv. Giza 68), broad bean (Vicia faba L. cv. Lara), kidney bean (Phaseolus vulgaris L. cv. Giza 3) and pea (Pisum sativum … …American Journal of Applied Sciences, Vol. 6, Issue 3 · 31 Mar 2009 · 7,471 accessesView PDFCite
Research ArticleOpen accessIn the abstractPattern of Survival and Mortality of Mangrove Populations Grown at Al-Jubail Area (Saudi Arabia) of the Arabian GulfAkram Ali, Ahmed Alfarhan, Ernest Robinson, Ibrahim AldjainThe life table and fecundity schedule were produced for [Avicennia marina (Forsk.) Vierh] populations of four habitat types at Al-Jubail area, KSA. These types are sand mounds, salt flats, shoreline and intertidal sites. Survivorship (lx) was least in sand mounds and similar in all other sites. Age-specific-mortality rates (qx) where parallel in the flower bud, flower, fruiting and seedling stages … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 3 · 30 Sep 2008 · 7,868 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Hydroponic Production of Vegetables and Ornamental Pot-Plants in a Heated Greenhouse in Western Macedonia, GreeceIoannis I. Papadopoulos, Fotis Chatzitheodoridis, Christos Papadopoulos et al.In this research an evaluation-in terms of investments-of hydroponics greenhouses is carried out, as well as the possibility of the development of greenhouse crops cultivations, such as vegetables and flowers, in them is explored in Western Macedonia. The survey was realized between the years 2002-2006, in a model greenhouse, which was installed by the Public Power Corporation S.A., in soils … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 3 · 30 Sep 2008 · 8,188 accessesView PDFCite