1.

2D Simulation of Flow over Stepped Spillways with Turbulent Models and Comparing the Results with Physical Model

Pages 1-14
Mohammad mehdi Moayeri; Ali Hosseinzadeh Dalir; farzin Samasi; Davood farsadizadeh; Ali Ashraf Sadraddini

2.

The Effects of Different Sources and Rates of Nitrogen on Nitrogen Use Efficiency and Cucumber Yield

Pages 15-26
Azam Rostamzadeh; Ahmad Ghplghin; Jafar Mohammadi

3.

Uncertainty Analysis for Determining Density of Deposits in Dams' Reservoirs

Pages 27-37
farhad Imanshoar; yousef Hassanzadeh; Mohammad taghi Alami; Ali Danandeh mehr

4.

Evaluating Roles of Drought and Climatic Factors on Variability of Four Dry Farming Yields in Mashhad and Birjand

Pages 39-56
Hamid Zare abyaneh

5.

Application of Ant Colony Algorithm to Optimize the High Pressure Water Conveyance Pipe of Shahryar Concrete Dam

Pages 57-69
Mohammad ali Lotfollahi Yaghin; Nazila Kardan

6.

Efficiency Comparison of Some Geostatistical Methods for Investigating Spatial Variability of Micro Nutrients in Agricultural Lands, Case Study: Hamadan Province

Pages 71-81
Mehdi Nourzadeh Haddad; Mohammad hossein Mahdian; Mohammad jafar Malakouti

7.

Effect of Vegetation on soil Micromorphological Properties (Case Study: Karkaj research station)

Pages 83-94
Hossein Rezaei; Ali Asghar Jafarzadeh; farzin Shahbazi

8.

Simulation of Nitrate Ion Leaching in a Sandy Loam Soil Treated with Zeolite Using Hydrus-1D Model

Pages 95-108
Mostafa Moradzadeh; Hadi Moazed; Gholamabbas sayyad

9.

Isolation and Identification of Oil-Degrading Bacteria from Oil-Polluted Soils and Assessment of Their Growth in the Presence of Gas Oil

Pages 109-121
Mitra Ebrahimi; Alireza Fallah; Mohammad reza sarikhani

10.

Phosphorus Critical Concentration in Paddy Soils of Guilan Province

Pages 123-134
Mitra Karimi Amir Kiasar; masoud Kavoosi; Hassan Shokri vahed

11.

Allocating the Surface Water Resources of the Urmia Lake Basin to the Stakeholder Provinces by Distance Based Decision Making Methods

Pages 135-149
Nasim Saffari; mehdi Zarghami

12.

Estimating Actual Evapotranspiration of Sugarcane by Remote Sensing. (A Case Study: Mirza Kochakkhan Sugarcane Agro-Industry Company Farms)

Pages 151-163
Zahra Soheilifar; seyyed Majid Mirlatifi; Abdali Naseri; Mostafa Assari

13.

Assessment of Susceptible Land for Some Agricultural Crops in Some Regions of West Azerbaijan Province using Geographical Information System

Pages 165-176
Ahmad Pakpour Rabati; Aliasghar Jafarzadeh; Farzin Shahbazi; Parviz Ammari

14.

Simulation of Temporal Development of Scour Hole Around an Wing-wall Abutment Using Gene Expression Programming

Pages 177-188
Parvin Eghbali; Rasoul Daneshfaraz; Seyyed Mehdi Saghebian

15.

Effects of Soil Water Conditions, Sewage Sludge, Poultry Manure and Chemical Fertilizers on the Growth Characteristics and Water Use Efficiency of Rice Plant in a Calcareous Soil

Pages 189-208
Masoumeh Abbasi; Nosrotallah Najafi; Naser Aliasgharzad; Shahin Oustan

16.

Influence of Livestock Grazing on the Distribution of Organic Carbon, Total Nitrogen and Carbon Mineralization within Primary Particle-Size Fractions in Shayda Rangelands with Cropping History

Pages 209-222
Najmeh Ghorbani; Fayez Raiesi; Shoja Ghorbani

17.

Influence of Advection on Energy Balance in Canola Crop Evapotranspiration Process in Tabriz Region

Pages 223-236
Abolofazl Majnooni Heris; Ali Ashraf Sadraddini; Amir Hossein Nazemi; Mohammadreza Neyshaburi; Mohammadreza Shakiba

18.

Effects of Different Tillage and Cultivation Practices on Soil Moisture and Safflower Yield in Rotation with Wheat in Rainfed Regions

Pages 237-245
Jalil Asghari Meidani; Esmaeil Karimi; Alireza Pormohammad

19.

Experimental Study of Discharge Coefficient of Trapezoidal Labyrinth Side-Weirs

Pages 247-257
Farzaneh Nezami; Davood Farsadizadeh; Ali Hosseinzadeh Dalir; Farzin Salmasi

20.

Effect of Different Isolates of Azospirillum on the Yield and Uptake of N, P and K in Canola

Pages 259-273
Neghar Ghaderi; Mohsen Olamaei; Mohammadhossein Arzanesh; Reza Ghorbani Nasabadi; Maryam Ghazaeean; Maryam Sebti


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