Volume 38 (2024)
Volume 37 (2023)
Volume 36 (2022)
Volume 35 (2021)
Volume 34 (2020)
Volume 33 (2019)
Volume 32 (2018)
Volume 30 (2016)
Volume 29 (2015)
Volume 28 (2014)
Volume 27 (2013)
Volume 26 (2012)
Volume 25 (2011)
Volume 24 (2010)
Volume 23 (2009)
Volume 22 (2008)
Research Article
Effect of Geological Feature on Regional Flood Frequency of Watersheds of North-East of Iran

tayebe taherpour; bijan Ghahraman2; kamran davary

Volume 31, Issue 6 , January and February 2018, Pages 1526-1537


  Introduction: Finding out homogeneous watersheds based on their flood potential mechanisms, is needed for conducting regional flood frequency analysis. Similarity of watersheds based on flood potential severity depends on many factors such as physiographic and meteorological features of the watershed, ...  Read More

Research Article
Determine the Height of the Vertical Filter for Inhomogeneous Dams with Vertical Clay Core

Saeed Salehi; Kazem Esmaili

Volume 31, Issue 6 , January and February 2018, Pages 1538-1548


  Introduction: Today, always some occurrences threat the earth. One of the most important of this event is seepage from earth dam. It can wash interior body of earth dam that finally might ruins whole the earth dam. For investigating these events in this research some experiments for expressing some alternatives ...  Read More

Research Article
Evaluation of Corn Evapotranspiration and its Components and Relationship between Leaf Area Index and Components in Surface and Subsurface Drip Irrigation Systems

Hossein Dehghanisanij; Elahe Kanani; samira akhavan

Volume 31, Issue 6 , January and February 2018, Pages 1549-1560


  Introduction: Partitioning of evapotranspiration (ET) into evaporation from the soil (E) and transpiration through the stomata of plants (T) is important in order to assess biomass production and the allocation of increasingly scarce water resources. Generally, T is the desired component with the water ...  Read More

Research Article
Forecasting Kashkan River Flow using a Combination of Artificial Neural Network, Wavelet Analysis and K - Nearest Neighbor

Darush Yarahmadi; Hamid Mirhashemi

Volume 31, Issue 6 , January and February 2018, Pages 1561-1574


  Introduction: Forecasting and modeling of river flow is an essential step towards planning, designing and utilizing water resources management system which is subject to issues such as droughts and destructive floods in river basins. The river flow deficit and excess could result in financial and human ...  Read More

Research Article
Uncertainty of Downscaling Methods in Future Catchment Flow under Climate Change Effect

Mohammad Reza Goodarzi; Alireza Faraji; Mahdi Komasi

Volume 31, Issue 6 , January and February 2018, Pages 1575-1586


  Introduction: Uncertainty estimation of climate change impacts has been given a lot of attention in the recent literature, However, uncertainty in downscaling methods have been given less attention. Today many studies have been done about the future impact of climate change on human life and water resources. ...  Read More

Research Article
Quantitative Sustainability Analysis of Aquifer System (Case Study: South Khorasan- Birjand Aquifer)

Hamid Kardan Moghaddam; Mohammad ebrahim banihabib; Saman Javadi

Volume 31, Issue 6 , January and February 2018, Pages 1587-1601


  Introduction: Groundwater is predominantly a renewable resource, and when managed properly can ensure a long-term water supply for increasing water demand and for climate change impacted region. Surface water renews as part of the hydrologic cycle in an average time period ranging from approximately ...  Read More

Research Article
Effect of Land Uses on Soil Microbial Community and Spatial Variability in Mirabad Lands, Naghadeh

Sheyda Kaboodi; farzin shahbazi; Nasser Aliasgharzad; nosratola najafi; naser davatgar

Volume 31, Issue 6 , January and February 2018, Pages 1602-1610


  Introduction: Understanding soil biology and ecology is increasingly important for renewing and sustainability of ecosystems. In all ecosystems, soil microbes play an important role in organic matter turnover, nutrient cycling and availability of nutrients for plants. Different scenarios of land use ...  Read More

Research Article
Effect of Organic Matter on Distribution of Chemical Forms of Cadmium in Soil in Corn Rhizosphere

faeze lotfi; amir fotovat; reza khorasani; Mahdi Bahraini

Volume 31, Issue 6 , January and February 2018, Pages 1611-1622


  Introduction: The pollution of soils by heavy metals due to human activities poses a serious concern for human and environmental health. In order to evaluate the risks of heavy metal contamination such as cadmium in soil, it is necessary to understand its bioavailability which depends on its chemical ...  Read More

Research Article
Interactive Effects of Salinity and Cadmium Pollution on Microbial Respiration and Biomass in a Calcareous Soil Treated with Plant Residue

elham sadeghi; fayez raiesi; Alireza Hosseinpour

Volume 31, Issue 6 , January and February 2018, Pages 1623-1636


  Introduction: Soil, as an important component of terrestrial ecosystems, plant growth media, and a habitat of diverse living organisms commonly encounters a variety of abiotic stresses. Soil microorganisms play an important role in maintaining soil quality and functioning, since they are responsible ...  Read More

Research Article
Increasing the Yield and Yield Components of Sunflower by Integrated Application of Phosphorus and Sewage Sludge under Optimum and Limited Irrigation Conditions

Solmaz Kazemalilou; Nosratollah Najafi; adel reyhanitabar

Volume 31, Issue 6 , January and February 2018, Pages 1637-1650


  Introduction: Sunflower as one of the most important oil crops in the world is affected by water deficit stress. Water deficit stress is one of the most important limiting factors of crops growth and production in Iran and many regions of the world. Because of the low water productivity in Iran, the ...  Read More

Research Article
American Soil Taxonomy Compared to World Reference Base for Expressing Environmental Pollution, a Case Study: Lenjanat Region of Isfahan

reza mohajer; MOHAMMAD HASSAN Salehi

Volume 31, Issue 6 , January and February 2018, Pages 1651-1664


  Introduction: Increasing demand for an international classification system as a unique language in soil science has caused development of different classification systems. Soil classification is a useful tool for understanding and managing soils. In recent decades, the role of human in soil formation ...  Read More

Research Article
Simulation of Nitrogen Fertilizer Effect on Maize (Zea maize) Production by CERES-Maize Model under Kermanshah Climate Condition

Farzad Mondani

Volume 31, Issue 6 , January and February 2018, Pages 1665-1678


  Introduction: The DSSAT consists of a series of popular and widely used process-based crop growth simulation models. The models have been used worldwide to simulate crop biomass and yield, and soil nitrogen leaching under different management practices and various climatic conditions. The DSSAT has also ...  Read More

Research Article
Effect of Transparent Poly Ethylene Mulch on Production and Water Use Efficiency of Hull-Less Seed Pumpkin (Cucurbita pepo L.) under Different Levels of Moisture

Marjan Nekokhoo; Seyfollah Fallah; Rahim Barzegar

Volume 31, Issue 6 , January and February 2018, Pages 1679-1690


  Introduction: Water resources are very limited for agricultural production. Therefore, optimal use of available water resources and increased water use efficiency in agriculture are necessary. Application of poly ethylene mulch is one of the approaches that can be effective in increasing water use efficiency. ...  Read More

Research Article
Investigation of Mineralization of Organic Nitrogen under the Influence of Type, Content of Clay and Exchangeable Cations

Fatemeh Rakhsh; Ahmad Golcchin

Volume 31, Issue 6 , January and February 2018, Pages 1691-1711


  Introduction: Mobilization and stabilization of organic matter in soils represent a set of complex processes involving the processing and decomposition of organic matter by diverse communities of soil fauna and microorganisms, as well as chemical-physical interactions with mineral particles of soil. ...  Read More

Research Article
Identification and Evaluation of PGP Traits in Some Bacterial Strains Isolated from Wheat Rhizosphere

Vida Hemmati; Hadi Asadi Rahmani; Shokofeh Rezaee

Volume 31, Issue 6 , January and February 2018, Pages 1712-1723


  Introduction: Wheat is one of the most important food crops. In modern agriculture, due to the increase in human population and the detrimental effects of pesticides such as environmental pollution, concerns about human and animal health, adapting suitable alternatives which have none of these dangerous ...  Read More

Research Article
Soil Genesis as Affected by Climate and Geomorphic Surface in Rayen Area, Kerman Province

Leili Neghadzamani; Mohammad Hady Farpoor; Azam Jafari

Volume 31, Issue 6 , January and February 2018, Pages 1724-1739


  Introduction: Genesis and development of soils are highly affected by soil forming factors and processes. Climate and topography (landform) are among the factors affecting weathering of parent material and genesis and development of soils in an area. Besides, various morphological, physical, and chemical ...  Read More

Research Article
Evaluation of Non-Exchangeable Potassium Release from K-Bearing Minerals by Different Extractants

sanaz ashrafi saeidlou; Mirhasan Rasouli-Sadaghiani; Abbas Samadi; mohsen barin; ebrahim sepehr

Volume 31, Issue 6 , January and February 2018, Pages 1740-1754


  Introduction: Potassium is one of essential nutrients for plants and its importance in agriculture is well known. Non-exchangeable potassium that is mainly placed with in layers of K-bearing minerals, such as K-feldspar and mica, is considered as an important source of potassium for plant growth in most ...  Read More