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54 results for “Abdul Hamid”
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Research ArticleOpen accessIn the author namesGrowth Performance and Biomass Accumulation of a Khaya ivorensis Plantation in three Soil Series of UltisolsYetti Heryati, Debora Belawan, Arifin Abdu et al.Abstract: Problem statement: There was no information about the relationship between growth parameters, such as diameter and height and tree component biomass of Khaya ivorensis plantations with different soil types. The objectives of this study were, first, to determine and compare the growth of K. ivorensis in three different (Padang Besar, Durian and Rengam) soil series of Ultisols and, second, … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 1 · 15 Dec 2010 · 10,170 accessesView PDFCite
Research ArticleOpen accessIn the author namesUptake of Heavy Metals by Jatropha curcas L. Planted in Soils Containing Sewage SludgeParisa Ahmadpour, Azmi Mat Nawi, Arifin Abdu et al.Problem statement: The chemical pollution of soil has become a major source of concern and has posed serious health problems within the last few years in many developed nations. A variety of organic and inorganic pollutants, including heavy metals, are being mixed in with the cultivated soil and water. Sewage sludge was one of the major sources of enrichment of … …American Journal of Applied Sciences, Vol. 7, Issue 10 · 31 Oct 2010 · 10,265 accessesView PDFCite
Research ArticleOpen accessIn the author namesDifferences in Soil Physical and Chemical Properties of Rehabilitated and Secondary ForestsM. H. Akbar, O. H. Ahmed, A. S. Jamaluddin et al.Problem statement: The soil properties of tropical rain forest in Southeast Asia have been characterized by several researchers; however empirical data on soil characteristics under rehabilitation program are still limited or even lacking. This research is important to determine the soil physical and chemical properties of a rehabilitated degraded forest land 19 years after planting with various indigenous species in … …American Journal of Applied Sciences, Vol. 7, Issue 9 · 30 Sep 2010 · 12,545 accessesView PDFCite
Research ArticleOpen accessIn the author namesSelected Soil Morphological, Mineralogical and Sesquioxide Properties of Rehabilitated and Secondary ForestsB. T. Saga, O. H. Ahmed, A. S. Jamaluddin et al.Problem statement: The tropical rain forests in Southeast Asia have been characterized by several researchers. However empirical data on soil characteristics under degraded forest land in tropical rain forest and rehabilitated program are limited. A study was conducted to evaluate the soil morphology, mineralogical and sesquioxide properties of a rehabilitated degraded forest land (19 years after it was planted with … …American Journal of Environmental Sciences, Vol. 6, Issue 4 · 31 Aug 2010 · 8,016 accessesView PDFCite
Research ArticleOpen accessIn the author namesGrounded Theory: A Short Cut to Highlight a Researchers' IntellectualityAbdul Hafidz Haji Omar, Dayang Hjh. Tiawa Awang Hj. Hamid, Norma Alias, Md. Rajibul IslamProblem statement: Grounded theory is one of the research approaches in qualitative research that enables the researcher to use his/her intellectuality to make sense of and construct a theory based on finding collected throughout the fieldwork. Grounded Theory as suggested in the conventional studies is designated in a very comprehensive manner and involves three level of coding. These coding systems … …Journal of Social Sciences, Vol. 6, Issue 2 · 30 Jun 2010 · 9,147 accessesView PDFCite
Research ArticleOpen accessIn the author namesSports: As an Appliance of Incorporation toward Malaysian SocietyAbdul Hafidz Haji Omar, Dayang Hjh. Tiawa Awang Hj. Hamid, Md Rajibul IslamProblem statement: This research investigated the elements of sport that led to social integration in Malaysian society and identified the steps taken to achieve social integration through sports. As a multi racial country, Malaysia consisting of three major races, the Malays, Chinese and Indians were seen practicing the sport cultures that were inherited by their forefathers. History shows that colonization … …Journal of Social Sciences, Vol. 6, Issue 2 · 30 Jun 2010 · 8,642 accessesView PDFCite
Research ArticleOpen accessIn the author namesOptimizing of Trichoderma viride Cultivation in Submerged State FermentationHayyan Ismaeil Al-Taweil, Mohammad Bin Osman, Aidil Abdul Hamid, Wan Mohtar Wan YussofProblems statement: A study in Malaysia had shown a strain of Trichoderma viride was isolated from the soil. Questions were raised whether Trichoderma viride submerged state fermentation affected by parameters and which of them is effective? Approach: To investigate the effects of the submerged state fermentation parameters; concentrations of carbon g L-1; (10, 45 and 80), glucose, nitrogen g L-1; … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 10,076 accessesView PDFCite
Research ArticleOpen accessIn the author namesComputable General Equilibrium Techniques for Carbon Tax ModelingAl-Amin, Chamhuri Siwar, Abdul HamidProblem statement: Lacking of proper environmental models environmental pollution is now a solemn problem in many developing countries particularly in Malaysia. Some empirical studies of worldwide reveal that imposition of a carbon tax significantly decreases carbon emissions and does not dramatically reduce economic growth. To our knowledge there has not been any research done to simulate the economic impact of … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 6,950 accessesView PDFCite
Research ArticleOpen accessIn the author namesDevelopment of Microbial Inoculants and the Impact of Soil Application on Rice Seedlings GrowthHayyan Ismaeil Al-Taweil, Mohammad Bin Osman, Aidil Abdul Hamid, Wan Mohtar Wan YussofProblem statement: The present study was undertaken to assess the Empty Fruit Bunches (EFB) as carrier of Biofertilizer and microbial inoculants interaction. A study in Malaysia had shown a strain of Trichoderma viride and Bacillus megaterium were isolated from the soil. Questions were raised whether the tow inoculants compatible to be mixed in same carrier? It is important to develop … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 1 · 31 Mar 2009 · 8,717 accessesView PDFCite
Research ArticleOpen accessIn the author namesImprovement of Biohydrogen Production under Increased the Reactor Size by C. acetobutylicum NCIMB 13357Hisham Salem Alshiyab, Mohd Sahaid Kalil, Aidil Abdul Hamid, Wan Mohtar Wan YusoffProblem statement: One of the main factors influenced the bacterial productivity and total yield of hydrogen is the partial pressure of produced gas. A novel solution to enhance the bacterial productivity was through reduction of gas pressure. Approach: Increasing the reactor size showed to enhance the bacterial production of hydrogen. Results: The technique of increasing reactor size resulted to enhance … …American Journal of Environmental Sciences, Vol. 5, Issue 1 · 28 Feb 2009 · 7,361 accessesView PDFCite