Volume 38 (2024)
Volume 37 (2023)
Volume 36 (2022)
Volume 34 (2020)
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
Evaluation of the Efficiency of Data Preprocessing Methods on Improving the Performance of Gene Expression Programming Model (Case Study: Ab Zal River)

F. Ahmadi

Volume 35, Issue 2 , May and June 2021, Pages 153-165


  Introduction: Surface water has always been one of the most essential pillars of water projects and, with modeling and predicting the river flow, in addition to the management and utilization of water resources, it is possible to inhibit the natural disasters such as drought and floods. Therefore, researchers ...  Read More

Research Article Irrigation
Evaluation of Virtual Water Footprint in Crop, Livestock and Agricultural Consumption Inputs (Case Study: Gom, Province)

T. Khalili; M. Sarai Tabrizi; H. Babazadeh; H. Ramezani Etedali

Volume 35, Issue 2 , May and June 2021, Pages 167-178


  Introduction: Water resources management in arid and semi-arid regions is very important specially, in agricultural sector.  The major share of water use is daily consumption by humans for drinking, washing and cooking. Furthermore, population growth increases agricultural production demand, and ...  Read More

Research Article
Land Use Restoration Impacts on Hydrological Behavior of Chehel Chay Watershed of Golestan Province

R. Chamani; M. Azari

Volume 35, Issue 2 , May and June 2021, Pages 179-188


  Introduction: Over the past decades, millions of hectares of high-quality lands have been converted to other uses and low-yielding agriculture, which have had some unpleasant consequences for watershed hydrology. Analysis of hydrological responses of different basins to land use change has shown that ...  Read More

Research Article Irrigation
Evaluating the Capability of Data Mining Models in Predicting Irrigated Wheat Yield in Iran

A,. Uossef gomrokchi; J. Baghani; F. Abbasi

Volume 35, Issue 2 , May and June 2021, Pages 189-202


  Introduction: One of the modeling methods researchers have considered in various sciences in recent years is artificial neural network modeling. In addition to the artificial neural network and regression models, today, the capabilities of data mining methods have been used to improve the output results ...  Read More

Research Article Irrigation
Estimation of Optimal Release Flow Range from Jamishan Dam Considering the Optimal Instream Ecological Water Demand for Conservation the Habitat Potential of the Dinavar River

M.H. Naderi; N. Arab; O. Jahandideh; Meysam Salarijazi; A. Aarb

Volume 35, Issue 2 , May and June 2021, Pages 203-225


  Introduction: Hydrological variability is of great importance for water resources management. Analyzing the instream environmental flow demand by coupling the hydrological cycle and the hydrodynamic process with aquatic ecological processes at a watershed scale remains one of the most important yet most ...  Read More

Research Article Irrigation
Investigation of the Effect Dryness Stress and Deficit Irrigation on Water Use Efficiency and Morphophysiological Factors in Two Festuca Grass Varieties

M. Emadi; M. Noshadi; A.A. Ghaemi

Volume 35, Issue 2 , May and June 2021, Pages 227-236


  Introduction: According to expantion of urbanization, it is necessary to create green space as the most important environmental factor in moderate cities. However in recent decades, shortage of water resources is one of the problems facing the expansion of green space especially grass type. Therefore, ...  Read More

Research Article Soil science
Effects of Nitrification Inhibitor 3,4-Dimethylpyrazole Phosphate (DMPP) on the Nitrogen Use Efficiency of Spinach

M. Gheitasi; Sh. Kiani; A. Hosseinpur

Volume 35, Issue 2 , May and June 2021, Pages 237-250


  Introduction: Large amounts of nitrogen (N) fertilizers are being applied to optimize yield in vegetable production. Nitrogen use efficiency in vegetable fields is low due to high application of N fertilizers in frequent cultivation, short growth cycles and their shallow rooting system. Nitrification ...  Read More

Research Article
Determining the Most Effective Properties to Evaluate Soil Quality of Agriculture Lands in Mohammadshahr Plain of Karaj

K. Kamali; Gh. Zehtabian; tayybe Mesbahzadeh; M. Arabkhedri; Hossain Shohab Arkhazloo; A. Moghadamnia

Volume 35, Issue 2 , May and June 2021, Pages 251-266


  Introduction: Soil quality is an essential indicator for sustainable land management that generally depends on soil physical, chemical and biological properties. Due to the multiplicity of soil properties, the number of variables is usually reduced to a minimum set by statistical methods, which reduces ...  Read More

Research Article Soil science
Root System of Different Barley Cultivars Influenced by Applications of Different Fertilizer Sources under Dryland Farming

R. Naseri; A. Mirzeai; A. Abbasi

Volume 35, Issue 2 , May and June 2021, Pages 267-284


  Introduction: Biofertilizers play a crucial role in soil fertility by dissolving stabilized phosphates and producing the nutrients needed for plant growth in the soil. One of the most important soil microorganisms is mycorrhizal fungi. Mycorrhizal fungi, with their extensive hyphae network and increasing ...  Read More

Research Article Agricultural Meteorology
Evaluating the Impact of Clouds on Total Daily UVB Irradiances in Arid and Semi-arid Regions of Iran

A,.A,. Sabziparvar; A.R. Seifzadeh Momensaraei

Volume 35, Issue 2 , May and June 2021, Pages 285-297


    Introduction: Although the contribution of Ultra-violet (UV) radiation is about 5-7% of the whole solar energy; nevertheless, it plays an important role in regulating the biological and photochemical processes within the Earth-atmospheric system. Ultra-violet radiation is well-known for its significant ...  Read More