Volume 38 (2024)
Volume 37 (2023)
Volume 36 (2022)
Volume 35 (2021)
Volume 34 (2020)
Volume 33 (2019)
Volume 32 (2018)
Volume 31 (2017)
Volume 30 (2016)
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 Surface Water Harvesting Potential in Aq Emam Watershed System in the Golestan Province

s. nazaryan; Ali Najafi nejad; N. Nura

Volume 29, Issue 1 , March and April 2015, Pages 1-11


  Introduction : Given its low and sparse precipitation both in spatial and temporal scales, Iran is nestled in an arid and semiarid part of the world. On the other hand, because of population growth, urbanization and the development of agriculture and industry sector is frequently encountered with increasing ...  Read More

Research Article
Long-term Effects of Different Irrigation Methods with Treated Wastewater on Soil Chemical Properties

payam najafi; S.H. Tabatabaei; H. Taheri-Sodejani

Volume 29, Issue 1 , March and April 2015, Pages 12-22


  Introduction: Reuse of wastewater for agricultural irrigation is increasing due to an increased demand for water resources in different parts of the world. Almost 70% of deviated water from rivers and pumped groundwater is used for agriculture. If wastewater is used for irrigation in agriculture, then ...  Read More

Research Article
Discharge Computation of Trapezoidal Side Weir in Subcritical Flow Regime Using Conventional Weir Theory

S. Riahi; A.R. Vatankhah

Volume 29, Issue 1 , March and April 2015, Pages 23-34


  Introduction: Side weir structures are extensively used in hydraulic engineering, irrigation and environmental engineering, and it usually consists of a main weir and a lateral channel. Side weirs are also used as an emergency structure. This structure is installed on one side or both sides of the main ...  Read More

Research Article
Effect of Timing and Amount of Irrigation Water on Bean Yield and Water Use Efficiency in Arid and Semi-arid Conditions

S.S. Nurbakhsh; M. Ghobadinia; A. Danesh-Shahraki; mohammad reza Nori Emamzadeie; R. Fatahi

Volume 29, Issue 1 , March and April 2015, Pages 35-47


  Introduction: Nowadays, due to lack of water resources and increasing demand for water, agricultural water planning issues need further consideration. With proper planning and determination of irrigation depth and time, the effects of stress and yield loss on the plants are reduced. Irrigation scheduling ...  Read More

Research Article
An Investigation of Emitters Clogging Under Magnetic Field and Water Quality

A. Kiani; A. Hezarjaribi; T. Dehghan; M. Khoshravesh

Volume 29, Issue 1 , March and April 2015, Pages 48-57


  Introduction: Water scarcity is one of the major problems for crop production. Using drip irrigation as an effective method in the efficient use of water is expanding in arid and semi-arid regions. One of the problems in under pressure irrigation during use of saline, unconventional and waste is emitters ...  Read More

Research Article
Effect of Subsurface Irrigation with Porous Clay Capsules on Quantitative and Quality of Grape Plant

hojjat ghorbani vaghei; Hosseinali Bahrami; R. Mazhari; A. Heshmatpour

Volume 29, Issue 1 , March and April 2015, Pages 58-66


  Introduction: Maintaining soil moisture content at about field capacity and reducing water loss in near root zone plays a key role for developing soil and water management programs. Clay pot or porous pipe is a traditional sub-irrigation method and is ideal for many farms in the world’s dry land with ...  Read More

Research Article
Validation of AquaCrop Model for Simulation of Winter Wheat Yield and Water Use Efficiency under Simultaneous Salinity and Water Stress

M. Mohammadi; B. Ghahraman; K. Davary; H. Ansari; A. Shahidi

Volume 29, Issue 1 , March and April 2015, Pages 67-84


  Introduction: FAO AquaCrop model (Raes et al., 2009a; Steduto et al., 2009) is a user-friendly and practitioner oriented type of model, because it maintains an optimal balance between accuracy, robustness, and simplicity; and it requires a relatively small number of model input parameters. The FAO AquaCrop ...  Read More

Research Article
Investigation of Relationship Between Hydrologic Processes of Precipitation, Evaporation and Stream Flow Using Linear Time Series Models (Case study: Western Basins of Lake Urmia)

M. Moravej; K. Khalili; J. Behmanesh

Volume 29, Issue 1 , March and April 2015, Pages 85-101


  Introduction: Studying the hydrological cycle, especially in large scales such as water catchments, is difficult and complicated despite the fact that the numbers of hydrological components are limited. This complexity rises from complex interactions between hydrological components and environment. Recognition, ...  Read More

Research Article
Changes in Nutrient Content of Root and Grain of Wheat Cultivars Inoculated by Azospirillum and Mycorrhiza

M. Jiriaie; E. Fateh; A. Aynehband; E. Sepehr

Volume 29, Issue 1 , March and April 2015, Pages 102-113


  Introduction: Providing the nutritional requirements of agricultural crops by non-chemical resources is a new approach in the organic farming that has attracted the attention of both the researchers and the consumers in recent years. Therefore, it is highly important to find new fertilizer resources ...  Read More

Research Article
Spatial and Temporal Variability of Some of Heavy Metals in Aerosols of Lenjanat Region, Esfahan

N. Namazi; M.H. Salehi; jahangard mohammadi

Volume 29, Issue 1 , March and April 2015, Pages 114-125


  Introduction: Heavy metals released from stationaryand mobile origins can be transported in water, air and soil and can be even absorbed by plants, animals and human bodies. Trace elements are currently of great environmental concern. Nowadays, one of the most important environmental problems is pollution ...  Read More

Research Article
Using Environmental Variables for Studying of the Quality of Sampling in Soil Mapping

A. Jafari; Norair Toomanian; R. Taghizadeh Mehrjerdi

Volume 29, Issue 1 , March and April 2015, Pages 126-138


  Introduction: Methods of soil survey are generally empirical and based on the mental development of the surveyor, correlating soil with underlying geology, landforms, vegetation and air-photo interpretation. Since there are no statistical criteria for traditional soil sampling; this may lead to bias ...  Read More

Research Article
Sand Drift Potential by Wind in Shileh Plain of Sistan

S. Poormand; Ahmad Gholamalizadeh Ahangar; A. Dehvari

Volume 29, Issue 1 , March and April 2015, Pages 139-150


  Introduction: Wind erosion is one of the most important factors in desert environments. Prevailing winds can shift sand dunes and affect their accumulation and morphology. Also, wind regime determines the direction of sand dune mobility in different ways. Therefore, the wind regime, frequency, direction ...  Read More

Research Article
Risk Assessment of Heavy Metals Contamination in Soils and Selected Crops in Zanjan Urban and Industrial Regions

A. Afshari; H. Khademi; shamsollah Ayoubi

Volume 29, Issue 1 , March and April 2015, Pages 151-163


  Introduction: Heavy metals are types of elements naturally present in soil or enter into soil as a result of human activities. The most important route of exposure to heavy metals is daily intake of food. Crops grown in contaminated soil (due to mining activities, industrial operations and agriculture) ...  Read More

Research Article
Comparing the Goodness of Different Statistical Criteria for Evaluating the Soil Water Infiltration Models

S. Mirzaee; S. Ghorbani Dashtaki; H. Khodaverdiloo

Volume 29, Issue 1 , March and April 2015, Pages 164-175


  Introduction: The infiltration process is one of the most important components of the hydrologic cycle. Quantifying the infiltration water into soil is of great importance in watershed management. Prediction of flooding, erosion and pollutant transport all depends on the rate of runoff which is directly ...  Read More

Research Article
The Effect of Bio-fertilizer and Chemical Fertilizers (Phosphate and Zinc) on Yield and Yield Components of Two Cultivars of Bean (Phaseolus vulgaris L.)

M. Mohammadi; Mohammad Jafar Malakouti; K. Khavazi; F. Rejali; Mohammad Hossein Davoodi

Volume 29, Issue 1 , March and April 2015, Pages 176-187


  Introduction: Use of unbalanced chemical fertilizers especially P, having low absorption efficiency and low solubility compounds with soil components, has resulted in the production and use of bio-fertilizers (17, 23 and 29). Bio-fertilizer is a preservative material consisting of one or several specific ...  Read More

Research Article
Boron Adsorption on Muscovite Mineral as a Function of pH, Ionic strength of Solution and Kinds of Cation

F. Zareapour Rafsanjani; M. Hamidpour; Hossein Shirani; M. Heshmati; seyed javad hosseinifard

Volume 29, Issue 1 , March and April 2015, Pages 188-197


  Introduction: Boron is one of the eight essential micronutrients required for plant growth and development. The optimal concentration range (between deficiency and phytotoxicity) for boron is narrower than for other plant essential nutrients. Generally, irrigating water containing concentrations of B ...  Read More

Research Article
Influence of Arbuscular Mycorrhizal Fungi and Drought Stress on Some Macro Nutrient Uptake in Three Leek Genotypes with Different Root Morphology

N. Ghasem Jokar; habib nadian; B. Khalili Moghaddam; m. heidari; M.H. Gharineh

Volume 29, Issue 1 , March and April 2015, Pages 198-209


  Introduction: Drought stress is one of the main problems in agricultural productions in arid and semiarid regions such as Iran. Lack of water influences on most of plant physiological processes such as photosynthes, cellular development and uptake and transmission of nutrients in plants. Some approaches ...  Read More

Research Article
Effect of Nitrogen and Phosphorus Sources on Soil Chemical Properties and Elements Concentration in Sunflower (Helianthus annuus L.)

A. i Yadav; Z. Yuosepur

Volume 29, Issue 1 , March and April 2015, Pages 210-224


  Introduction: Soil fertility management is a key factor in achieving sustainable agriculture. Use of organic fertilizers is one of the methods that without environmental harmful effects with improvement of chemical and biological conditions increases soil fertility. Nitroxin contains a collection of ...  Read More

Research Article
Spatiao – Temporal Evaluation and Comparison of MM5 Model using Similarity Algorithm

N. Siabi; S.H. Sanaeinejad; B. Ghahraman

Volume 29, Issue 1 , March and April 2015, Pages 225-238


  Introduction temporal and spatial change of meteorological and environmental variables is very important. These changes can be predicted by numerical prediction models over time and in different locations and can be provided as spatial zoning maps with interpolation methods such as geostatistics (16, ...  Read More

Research Article
Using Discrete Wavelet Transform for Trend Analysis and Oscillatory Patterns Identification of Temperature (Case Study: Mashhad Synoptic Station)

A.R. Araghi; M. Mousavi Baygi; majid hashemi nia

Volume 29, Issue 1 , March and April 2015, Pages 239-249


  Introduction: Studying long-term trend changes of meteorological parameters is one of the routine methods in atmospheric studies, especially in the climate change subject. Among the meteorological parameters, temperature is always considered as one of the most atmospheric elements and studying it in ...  Read More