Volume 38 (2024)
Volume 37 (2023)
Volume 36 (2022)
Volume 35 (2021)
Volume 33 (2019)
Volume 32 (2018)
Volume 31 (2017)
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
Assessment of Aji-Chay River Pollution in Tabriz Plain Area Using Water Quality Indices

Z. Pashazadeh Laleh; H. Jafari; A.R. Vaezi Hir

Volume 34, Issue 6 , January and February 2021, Pages 1203-1218


  Introduction: The water is the major key in sustainable development, so it is necessary to be managed and conserved. The quality of surface water resources is mainly controlled by natural or geogenic factors including chemistry of recharge water, soil and geology processes, as well as the man-made contaminant. ...  Read More

Research Article
Point Estimation of Infiltration in Surge Irrigation Using Surge Infiltrometer Method

A. Zarei; T. Sohrabi; H. Ojaghlou; Z. Bigdeli

Volume 34, Issue 6 , January and February 2021, Pages 1219-1230


  Introduction: In recent years, to increase the efficiency of surface irrigation methods, new techniques such as surge irrigation have been developed. Numerous studies have shown that the surge flow can reduce water consumption in the advance phase and subsequently improve irrigation efficiency and ...  Read More

Research Article
Effect of Magnetite Nanoparticles and Some Iron-Containing Compounds on the Availability of Arsenic, Iron, Zinc and Copper in Soil

Sh. Hassani; Mohammad Babaakbari; M.R. Neyestani; M.A. Delavar

Volume 34, Issue 6 , January and February 2021, Pages 1231-1242


  Introduction:High concentrations of As in contaminated soils represent a potential risk for groundwater sources and threat the food chain. It has been found that the iron-containing compounds used in remediation of As contaminated soils have distinct effects on the solubility of As and can be used as ...  Read More

Research Article
The Effects of Plant Growth Promoting Rhizobacteria on the Activity of some Enzymes in Rizosphere Soils under Lead and Cadmium Stress

S. Abdollahi; A. Golchin; F. Shahryari

Volume 34, Issue 6 , January and February 2021, Pages 1243-1255


  Introduction: Contamination of soils with heavy metals is one of the most serious environmental problems increasing the risk of the entry of heavy metals into food chains. Rhizosphere soil is distinct from the bulk soil and is defined as the volume of soil around living roots which is influenced by root ...  Read More

Research Article
The Effect of Deforestation and Vegetation Cover Change on the Ecological Indices of Soil Organic and Mineral Layers

Y. Kooch; M. Azizi Mehr

Volume 34, Issue 6 , January and February 2021, Pages 1257-1275


  Introduction: Degradation of forest habitats and alteration of soil vegetation are efficient factors affecting the variability of ecological indices of organic and mineral layers of soils. In Iran, degradation of forest habitats and changes in habitat type, especially over the last century, affected ...  Read More

Research Article
Effect of Salinity on Growth and Survival of Earthworm Eisenia fetida

Gh. Rahimi; F. Karimi

Volume 34, Issue 6 , January and February 2021, Pages 1277-1285


  Introduction: Salinization of soil has been reported as a problem in many parts of the world. Salinization could occur either as a result of natural processes e.g. high concentrations of salt in parent materials or groundwater and/or anthropogenic actions such as over-irrigation. The salinization probably ...  Read More

Research Article
Assessment of Corrected Land Index in Land Suitability Evaluation and Adjusting its Functions

M. Bagheri-Bodaghabadi

Volume 34, Issue 6 , January and February 2021, Pages 1287-1298


  Introduction: In land suitability evaluation using parametric method, Khiddir or square root method (LQSI) and/or Storie method (LSI) are employed to calculate land index (LI), then suitability classes could be determined based on the LI. However, the obtained LI should be corrected according to the ...  Read More

Research Article
..Investigation of Nutritional Status of Potato (Solanum tuberosum L.) in Khorasan Razavi Province by "Deviation from Optimum Percentage" (DOP) Method

M. Dadivar; B. Atarodi

Volume 34, Issue 6 , January and February 2021, Pages 1299-1307


  Introduction: Because leaf is the main and most important organ of plant metabolism, therefore, its analysis and interpretation of the results using standard methods, can help to provide an optimal fertilizer program. There are different methods for interpreting the results of decomposition of plant ...  Read More

Research Article
Consequences of Co-contamination of Cadmium and Lead on Soil Biochemical and Microbiological Properties

N. Azadi; F. Raiesi

Volume 34, Issue 6 , January and February 2021, Pages 1309-1322


  Introduction: Heavy metals contamination of soils is an important environmental concern which has specially long-term hazardous effects on soil biogeochemical and microbiological properties (including microbial and enzyme activity, microbial community structure, and the contents of organic compounds). ...  Read More

Research Article
Assessment of Environmental Performance of Flood Spreading with Respect to Carbon Sequestration in Soil and Plant

M.J. Roosta; K. Enayati; S.M. Soleimanpour; K. Kamali

Volume 34, Issue 6 , January and February 2021, Pages 1323-1336


  Introduction: Carbon sequestration (CS) by forests, pastures, afforested stands and soils is the most appropriate way to reduce atmospheric carbon. A combination of all these activities can help balance the global warming process by reducing the concentration of atmospheric CO2. The amount of CS and ...  Read More

Research Article
Climate Change in Iran Based on Changes in Precipitable Water, Specific Humidity and Wind Data

S.M.J. Nazemosadat; L. Abbasi; S. Mehravar

Volume 34, Issue 6 , January and February 2021, Pages 1337-1349


  Introduction:Based on the research and assessment carried out during the Climate Change Enabling Activity Project under United Nations Framework Convention on Climate Change (UNFCCC) and using the scenarios proposed by IPCC, it is estimated that if the CO2 concentration doubles by the year 2100, ...  Read More

Research Article
Temperature Extreme Indices Projection Based on RCP Scenarios in Northeast of Iran

S. Kouzegaran; M. Mousavi Baygi; iman babaeian

Volume 34, Issue 6 , January and February 2021, Pages 1351-1366


  Introduction: Global warming causes alteration of climate extreme indices and increased severity and frequency of incidence of meteorological extreme events. In most climate change studies, only the potential trends or fluctuations in the average long run of climatic phenomena have been examined. However, ...  Read More

Research Article
Quality Assessment of MODIS Water Vapor Products in IR and Near-IR Bands over Iran

A. Sam Khaniani; X. Nikraftar

Volume 34, Issue 6 , January and February 2021, Pages 1367-1381


  Introduction: Water vapor, as one of the most important greenhouse gases in the atmosphere, plays a key role in hydrological cycles, climate change, and the global climate. Many parameters for the expression of water vapor in the atmosphere have been proposed by meteorologists, one of which is Precipitable ...  Read More