proper management of saline soils needs adequate information about the amount and salt distribution in the root zone. irrigation is one of the factors that control the distribution of salt. this study investigated soil leaching simulation by using hydrus2d software based on the evaporation of soil surface of a land without plant located at shahid chamran university, ahwaz, iran. samples were ta...

organizations in private and public sector assign many projects in information technology (particularly software) field to contractors for implementation every year. previous experiences shows that most of these projects are stopped before finishing or cannot meet the expected results. based on studies related to this issue, many of failures depend on implementation contractor, directly or indi...

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