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
Laboratory Study of Vegetation Cover Impact on Runoff Generation in Small Plots under Freezing and Thawing Cycle

M. Hatefi; S. H. Sadeghi; R. Efanzadeh; M. Behzadfar

Volume 34, Issue 4 , September and October 2020, Pages 755-764


  Introduction: Freezing-Thawing (FT) cycle is one of the processes that affects runoff generation. It is therefore necessary to control its negative effects due to specific topographic and climatic situation of Iran. However, there is no documented research about positive effects of vegetation cover on ...  Read More

Research Article
Analysis the Impact of New Irrigation Systems on Rural Areas (Case Study: Mohammad Abad County, Anberabad Township)

S.H. Tayebnia; S. Darini

Volume 34, Issue 4 , September and October 2020, Pages 765-780


  Introduction: Reducing water resources in the country and increasing water loss in different methods of irrigation have increased oriented the attention to pressurized irrigation, especially drip irrigation. One of the most suitable solutions for proper water resources management in the country is applying ...  Read More

Research Article
Estimation of Net Water Requirement of Different Phenological Stages of Canola in Isfahan Province

َA. H. Jalali; H.R. Salemi

Volume 34, Issue 4 , September and October 2020, Pages 781-795


  Introduction: In recent years, canola cultivation in Iran has been considered as oil production, and in 2014-2015, it has been allocated to 7.7% of the cultivation area of industrial products of the country. The yield of canola oil and seeds depends on the availability of sufficient water resources during ...  Read More

Research Article
Effects of Subsurface Drip Irrigation on Salinity Dynamics, Water Productivity and Ratoon Sugarcane Yield

A. Sheini-Dashtgol; Saeid Boroomand Nasab; AbdAli Naseri

Volume 34, Issue 4 , September and October 2020, Pages 797-811


  Introduction: Sugarcane fields of the southwest of Iran have heavy soil texture, high temperatures, hot and dry wind flow at spring and summer seasons. The electrical conductivity of irrigation water was considered about 1.1 dS.m-1, in basic designs of this irrigation method. In addition to sugarcane ...  Read More

Research Article

Javad Zahiri; A. Moradi Sabzkouhi

Volume 34, Issue 4 , September and October 2020, Pages 813-825


  Introduction In recent years much attention has been paid to the environment, especially river and lake pollution. Rivers and streams are usually receiving the outlet of sewage systems which may cause pollutant levels to rise.  Pollutant dispersion is a key element in water quality modeling and ...  Read More

Research Article
Application of Three Intelligent Models in Estimation of Watersheds Suspended Load (Case Study: Dareh-Roud Watershed, Ardabil Province)

Y. Ataie; M. R. Nikpour; A. Kanooni; Y. Hoseini

Volume 34, Issue 4 , September and October 2020, Pages 827-845


  Introduction: Suspended load estimation is utilized to study and investigate many problems of water engineering sciences such as dam reservoir design, transportation of sediments and pollution in the rivers, creation of stable channels, estimation of erosion and sedimentation around bridge piers, and ...  Read More

Research Article
Evaluation of Different Levels of Irrigation on Evapotranspiration (ET), Crop Coefficient (Kc) and Yield of Jujube (Ziziphus jujuba Mill.) Under Lysimetery Conditions

M.H. Rad; M.H. Asareh; M.R. Vazifeshenas; A.R. Kavand; M. Soltani Gerdeframarzi

Volume 34, Issue 4 , September and October 2020, Pages 847-860


  Introduction: Although jujube (Ziziphus jujuba Mill.) is known as a medicinal plant and is less important than other fruit trees, it has received more attention in recent years due to its significance in traditional Iranian medicine. There is no study on the actual water need for jujube trees and the ...  Read More

Research Article
Management of Saline Water and Nitrogen Fertilizer in Maize Cultivation

R. Saeidi; H. Ramezani Etedali; A. Sotoodehnia; .B Nazari; A. Kaviani

Volume 34, Issue 4 , September and October 2020, Pages 861-877


  Introduction: Supplying human and animal nutritional needs requires suitable use of water resources. Due to the decrease of fresh water resources for agriculture, saline water resources cannot be ignored. Increasing water salinity reduces the water absorption by plant, due to decreasing the water potential. ...  Read More

Research Article
Land Suitability Evaluation Based on the FAO Model and Fuzzy Multi-Criteria Decision Making Techniques for Rice (Case Study: Rice Institute Amol, Mazandaran Province)

S. F. Nabavi; N. Yaghmaeian Mahabadi; S. M. Soltani

Volume 34, Issue 4 , September and October 2020, Pages 879-895


  Introduction: highly increases in population growth rate, in particular in developing countries, cause high pressure on agricultural resources. In north of Iran, the pressures are compounded by restricted rice paddy fields. Reliable and relevant land suitability evaluations are vital requirements for ...  Read More

Research Article
Evaluation of Soil Fertility Status in Northwest of Iran drylands by Nutrient Index Value (NIV)

V. Feiziasl

Volume 34, Issue 4 , September and October 2020, Pages 897-919


  Introduction Dryland farming is a major agricultural practice in northwest of Iran. Knowledge of soil fertility status in this areas is one of the basic needs of dryland agricultural system. Soil chemical properties play important role for the soil fertility and determined after soil testing. The measurement ...  Read More

Research Article
Qualitative Land Suitability Evaluation for Date Palm (Phoenix dactylifera L. cv Kabkab) Cultivation in Fars Province

H. Dialami; J. Givi

Volume 34, Issue 4 , September and October 2020, Pages 921-932


  Abstract Introduction: This research aimed to evaluate the qualitative land suitability for irrigated cultivation of Date Palm (Phoenix dactylifera L. cv Kabkab) using FAO (parametric -the second root formula) and Multi-criteria approaches. The FAO approach has been used by many scholars in different ...  Read More

Research Article
Evaluation of SALTMED Model in Simulation of Wheat Yield and Soil Salinity Variations at Saline and Nonsaline Conditions

M. R. Emdad; A. Tafteh

Volume 34, Issue 4 , September and October 2020, Pages 933-946


  Introduction: SALTMED model is one of the most practical tools for simulating soil salinity and crop production yield. Growth models are important and efficient tools for studying and evaluating the impact of different management conditions and scenarios on water, soil and plant relationships and can ...  Read More

Research Article
Evaluation of Arsenic Removal from Water Using Activated Carbon Produced from Agricultural Walnuts & Almonds Wastes

F. Hashemzadeh; S. Parsa

Volume 34, Issue 4 , September and October 2020, Pages 947-960


  Introduction: Increasing freshwater consumption caused to reduce renewable freshwater resources in recent years, and one of the basic strategies would be use of non-conventional water resources. Arsenic is one of the natural elements widely distributed in the Earth’s crust. It is commonly found ...  Read More

Research Article

M. Bagheri-Bodaghabadi

Volume 34, Issue 4 , September and October 2020, Pages 961-972


  The Importance of Correcting Land Indices in Determining Land Suitability Classes Introduction: Land evaluation plays a decisive role in determining land suitability for the intended uses. For this purpose, various approaches have been proposed, among which the parametric approach has a special place. ...  Read More

Research Article
Efficiency of Different Feature Selection Methods in Digital Mapping of Subgroup and Soil Family Classes with Data Mining Algorithms

S. Nazari; M. Rostaminia; shamsollah Ayoubi; A. Rahmani; S.R. Mousavi

Volume 34, Issue 4 , September and October 2020, Pages 973-987


  Abstract Background and objectives: High-accuracy of soil maps is a powerful tool for achieving land sustainability in agricultural and natural resources. The present study was conducted in Vargar lands of Abdanan city related to Ilam province for digital mapping of soil classes at two taxonomic level ...  Read More

Research Article
Effects of Superabsorbent Polymer, Potassium Sulfate, and Manure on Yield and Date Bunch Fading Disorder Control of "Mazafati" Date Palm Cultivar

Z. Saeidi; M. Heshmati Rafsanjani; J. Sarhadi; M.H. Shamshiri

Volume 34, Issue 4 , September and October 2020, Pages 989-1001


  Introduction: The date bunch fading disorder causes huge loss on farmers' incomes and damages to economy of date producing regions. Thus it is important to find a way for controlling the disorder or reducing its economic damages. It seems that the water losses of the tree under critical environmental ...  Read More