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162 articles for “Soil Conditions”
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Research ArticleOpen accessIn the abstractAn Effective Passive Solar Dryer for Thin Layer Drying of Poultry ManureA. E. Ghaly, K. N. MacDonaldAnimal and poultry manures have been recognized for centuries as organic fertilizers providing essential nutrients to crops and improving soil structure due to their large input of organic matter. Increasing demand for poultry and egg products has led to intensification of the poultry rearing process, resulting in large amounts of poultry manure. Drying can be used to reduce the environmental … …American Journal of Engineering and Applied Sciences, Vol. 5, Issue 2 · 4 Aug 2012 · 10,317 accessesView PDFCite
Research ArticleOpen accessIn the abstractSimulation of Wheat Cultivar Response to Irrigation Treatments using of CERES-Wheat ModelFatemeh Majidi Fakhr, Farzad Paknejad, Mohammad Nabi Ilkaee et al.Problem statement: Crop models are used as tools for enhancing agricultural research through the identification of gaps in knowledge as well as by providing support for decision making in agricultural planning. Approach: In order to evaluation of CERES-Wheat model on five cultivars of winter wheat under Karaj weather condition in Full Irrigation (FI) and Terminal Irrigation at Flowering (TIF) an … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 2 · 14 Mar 2012 · 7,961 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Human Activities on River Bank Stability (Case Study)Mojtaba Yamani, Abolghasem Goorabi, Javad DowlatiProblem statement: Investigation of interaction of human activities and rivers has become a important problem because they have essential role on rivers morphology. So, in this study Atrak River in North-East of Iran has been considered. Approach: The aim of this research was to determine human impact on the Atrak River morphology in the past and estimation of future outcomes. … …American Journal of Environmental Sciences, Vol. 7, Issue 3 · 11 Jul 2011 · 9,624 accessesView PDFCite
Research ArticleOpen accessIn the abstractPotential Plant Species for Live Pole Application in Tropical EnvironmentSasan Mafian, Bujang B.K. Huat, Nordin A. Rahman, Harwant SinghProblem statement: Slope instability causing landslides, a major geologic hazard, is a risk common to most regions. Among all categories of landslides, shallow slope failures which affect many hill slopes and earthwork projects are the most wide spread and pose the most costly maintenance problem. One of the soil improvement methods that seem suitable for preventing shallow slope failures is … …American Journal of Environmental Sciences, Vol. 5, Issue 6 · 31 Dec 2009 · 7,597 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Some Organic Pollutants Transport into the Shallow Groundwater and Surface Water of Jiaxing Landfill AreaSouleymane Keita, Zhonghua Tang, Shaogang Dong, Yuehua JiangProblem statement: Hangjiahu regions belong to the Yangtze River Delta region in Zhejiang Province in China. The vast majority of this region is flat, so surface and groundwater both have a low flow rate. With the rapid economic development of the area, a large number of industrial and domestic garbage are generated. These landfill or garbage are exposed and stacked. … …American Journal of Applied Sciences, Vol. 6, Issue 12 · 31 Dec 2009 · 8,288 accessesView PDFCite
Research ArticleOpen accessIn the abstractHydraulic Characteristics and Pore Water Flow Rule in Constant Rate of Strain ConsolidationA. Ahmadi, A. H. Hoorfar, H. Rahimi, A. SoroushProblem statement: At present study Constant Rate of Strain (CRS) consolidation under Non-Darcy condition was investigated. Approach: In this study a governing conditions on pore water flow were investigated using proposed equation and experimental tests. CRS experiments under different rates of strain were conducted on different soil samples. Results: Results of these experiments and there comparison with proposed equation showed … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 7,210 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Damsites Groutability Using Secondary Permeability Index, Rock Classification (Case Studies)R. Ajalloeian, F. MoeinProblem statement: The dam body and foundation seepage is one of the important points in design parameters. This index is related to the permeability. There fore permeability is one of the basic parameter in design grout curtain, prevent water escape from foundation and avoid negative seepage pressure in borrow materials, so grouting is used. Grouting means injected materials like cement … …American Journal of Applied Sciences, Vol. 6, Issue 6 · 30 Jun 2009 · 7,416 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Role of Slope Geometry on Flowslide OccurrenceChiara DeangeliThe paper reports a study aimed to the prediction of susceptibility to flowslide of granular soil slopes as a consequence of the in situ state of stress. In particular, the slope geometry has been investigated as a factor influencing the initial state of stress. For this purpose the results of numerical models, performed by a finite different approach (FLAC), allowed … …American Journal of Environmental Sciences, Vol. 3, Issue 3 · 30 Sep 2007 · 6,975 accessesView PDFCite
Research ArticleOpen accessIn the abstractTeawaste as An Adsorbent for Heavy Metal Removal from Industrial WastewatersAmir Hossein Mahvi, Dariush Naghipour, Forugh Vaezi, Shahrokh NazmaraWater used in industries creates a wastewater that has a potential hazard for our environment because of introducing various contaminants such as heavy metals into soil and water resources. In this study, removal of cadmium, lead and nickel from industrial wastewaters has been investigated by using teawaste as a natural adsorbent. The research is a bench scale experimental type and … …American Journal of Applied Sciences, Vol. 2, Issue 1 · 31 Jan 2005 · 9,167 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordEffect of Heavy Metals on the Enzymatic Activity of Haplic Chernozem under Model Experimental ConditionsNatalia Gromakova, Saglara Mandzhieva, Tatiana Minkina et al.The biological activity of soils is an essential parameter of their ecological status. The anthropogenic Heavy Metals (HMs) disturb the normal functioning of soil biota and, hence, the entire soil system. The aim of this work was to estimate the toxicity of loosely bound HM compounds in Haplic Chernozem using parameters of cellulose-degrading and urease activities. Contamination of Haplic Chernozem … …OnLine Journal of Biological Sciences, Vol. 17, Issue 3 · 23 Jul 2017 · 7,996 accessesView PDFCite