1. Determining yield gap and potential for improved production of irrigated canola in Iran

samaneh rahban; Benjamin Torabi; afshin soltani; Ebrahim Zeinali

Articles in Press, Accepted Manuscript, Available Online from 21 November 2021

http://dx.doi.org/10.22059/jci.2021.319201.2520

Abstract
  The present study was conducted to estimate the yield gap of irrigated canola in Iran as the first step for planning sustainable improvement of production. This experiment was performed in the modeling laboratory of Gorgan University of Agricultural Sciences and Natural Resources in 2017-2019. The protocol ...  Read More

2. The Effect of Climate Change on Yield Potential and Water Productivity of Forage Maize in Iran

Hosna Fayazi; Ebrahim Zeinali; Afshin Soltani; Benyamin Torabi

Articles in Press, Accepted Manuscript, Available Online from 22 April 2022

http://dx.doi.org/10.22059/jci.2022.334981.2648

Abstract
  Global climate change is among the most important agricultural and food security challenges. Study was conducted to investigate the effect of climate change on potential yield and water productivity of forage maize in Iran. Two scenarios of RCP4.5 and RCP8.5 was used to predict the future climate (2050s) ...  Read More

3. Parameterization and Evaluation of SSM_iCrop Model for Prediction of Growth and Development of Faba Bean in Climatic Conditions of Gorgan

Benjamin Torabi; Najebullah Ebrahimi; Afshin Soltani; Ebrahim Zeinali

Volume 22, Issue 4 , December 2020, , Pages 531-542

http://dx.doi.org/10.22059/jci.2020.273742.2148

Abstract
  The present study was conducted to parameterize the SSM_iCrop model and evaluate the prediction of growth and development of faba bean in Gorgan climate condition. This study was carried out on faba bean cv."Barkat" as split-plot in randomized complete block design with four replications at Gorgan University ...  Read More

4. Determining the Fertilizer Requirement for Irrigated Wheat in Golestan Dam Fields, Using the QUEFTS Model

Yonus Mohammad Nezhad; Majid Basirat; Hossein HajiAbaee; Benjamin Torabi

Volume 22, Issue 3 , September 2020, , Pages 433-443

http://dx.doi.org/10.22059/jci.2020.279164.2196

Abstract
  In the fields around Golestan dam, crop rotation is not performed, putting the soil fertility at risk. This experiment aims at evaluating the nutritional status of the region’s soils and determining the need for fertilizer with emphasis on macronutrients. The fertilizer requirement of these soils ...  Read More

5. Rapeseed seed viability reaction to priming treatments and drying conditions of primed seeds

mohsen malek; Farshid Ghaderi-Far; Benjamin Torabi; HamidReza sadeghipour

Volume 22, Issue 1 , March 2020, , Pages 27-42

http://dx.doi.org/10.22059/jci.2019.285535.2245

Abstract
  To investigate the effects of drying methods (desiccation treatment), heat shock and osmotic stress treatments on the viability of primed seeds from different rapeseed cultivars, an experiment was conducted in 2017-2018 at the Seed Research Laboratory of Gorgan University of Agricultural Sciences and ...  Read More

6. Effect of weeds and management factors on soybean yield gap in Kalaleh Township

Asieh Siahmarguee; Benjamin Torabi; Eid Mohammad Sohrabi Rad; Syed majid Alimagham

Volume 20, Issue 2 , August 2018, , Pages 563-576

http://dx.doi.org/10.22059/jci.2018.243997.1852

Abstract
  To investigate the factors affecting soybean yield loss in comparison to the attainable yield, an experiment was conducted in 50 fields in the township of Kalaleh in summer of 2016. Sampling of weeds were taken in early growing season of soybean based on W pattern. In this study all agronomic management ...  Read More

7. Prediction of dry matter production and leaf area index in faba bean under different planting dates and densities

Najebullah Ebrahimi; Benjamin Torabi; Afshin Soltani; Ebrahim Zenali

Volume 20, Issue 1 , June 2018, , Pages 283-298

http://dx.doi.org/10.22059/jci.2018.237540.1791

Abstract
  To analyze the growth, it is necessary to access to accurate and well-arranged data obtained from measuring leaf area and dry matter accumulation. The purpose of this study was to evaluate different nonlinear regression models to study the trend of changes in leaf area index and dry matter production ...  Read More

8. Identifying soybean yield-limiting factors by using Comparative Performance Analysis (Case study: Golestan province – Kalaleh)

Ali Mansouri rad; Ali Nakhzari Moghadam; Afshin Soltani; Ali Rahemi Karizaki; Benyamin Torabi

Volume 19, Issue 4 , March 2018, , Pages 1033-1046

http://dx.doi.org/10.22059/jci.2018.227778.1675

Abstract
  One of the main problems of soybean production in the east region of Golestan, Iran is considerable difference between actual yield and attainable yield which is called yield gap. In recent years, this gap has been impressive, and therefore, identifying soybean yield-limiting factors is essentially needed. ...  Read More