Volume 26 (2024)
Volume 25 (2023)
Volume 24 (2022)
Volume 23 (2021)
Volume 22 (2020)
Volume 21 (2019)
Volume 20 (2018)
Volume 19 (2017)
Volume 18 (2016)
Volume 17 (2015)
Volume 16 (2014)
Volume 15 (2013)
Volume 14 (2012)
Volume 13 (2011)
Volume 12 (2010)
Volume 11 (2009)
Effect of nitrogen splitting and supplemental irrigation on yield, yield components, and oil percentage of sunflower

Abdollah fariSa; Ali Nakhzari Moghaddam; ali Rahemi karizaki; Mohammad Salahi Farahi

Volume 25, Issue 3 , September 2023, , Pages 521-532

https://doi.org/10.22059/jci.2022.322002.2536

Abstract
  Objective: In order to study the effect of nitrogen splitting and supplemental irrigation on yield, yield components and oil percentage of sunflower a factorial experiment was conducted based on randomized complete block design on farm research of Gonbad University with three replications during crop ...  Read More

Investigation of the effective factors on yield gap of rice in Mazandaran province

Vajiheh Amini Mandi; Ali Nakhzari Moghaddam; ali Rahemi karizaki; Masoumeh Naeemi

Volume 24, Issue 1 , April 2022, , Pages 205-217

https://doi.org/10.22059/jci.2022.320259.2527

Abstract
  This study is conducted to investigate the influential factors on rice yield gap in the Joibar Region, located in Mazandaran Province, by means of two methods of boundary line analysis and comparative performance analysis, in the cropping years of 2017-18 and 2018-19. It is carried out through fieldwork ...  Read More

Effect of pea cultivar and replacement and additive intercropping ratios of pea and spinach on yield and competition indices

Mojtaba Salehi Sheikhi; Ali Nakhzari Moghaddam; ali Rahemi karizaki; Majid Mohamad Eamaeili

Volume 23, Issue 4 , December 2021, , Pages 952-939

https://doi.org/10.22059/jci.2020.302557.2395

Abstract
  In order to investigate the effect of pea (Pisum sativum L.) cultivar as well as replacement and additive intercropping ratios of pea and spinach (Spinacia oleracea L.) on yield and competition indices, a factorial experiment has been conducted based on randomized complete block design with three replications ...  Read More

Study of the Effect of Elicitors Application on Osmotic Regulation, Cell Membrane Stability, ‎Photosynthetic Pigments and Essential Oil Yield in Hyssop under Drought Stress

Atefeh Sadat Mousavi; Masoumeh Naeemi; ali Rahemi karizaki; Abdolatif Gholizadeh

Volume 23, Issue 3 , September 2021, , Pages 632-621

https://doi.org/10.22059/jci.2021.307727.2433

Abstract
  In order to investigate the effect of chitosan and salicylic acid elicitors on osmotic adjustment and some physiological traits of Hyssop under experimental drought conditions, an experiment has been carried out as a split plot design with randomized complete block design with three replications at research ...  Read More

The Impact of Planting Density on Yield and Yield Components of Barley Cultivars under Rain-Fed ‎Condition of Gonbad-Kavous Area

mohammadsaleh ravan; ali Rahemi karizaki; Abbas Biabani; Ali Nakhzari Moghaddam; ebrahim gholamali pouralmdari

Volume 23, Issue 2 , June 2021, , Pages 277-289

https://doi.org/10.22059/jci.2021.297511.2347

Abstract
  In order to investigate the effect of barley cultivars on the yield and yield components of grain under rain-fed conditions a factorial experiment has been carried out in a randomized complete block design with four replications at Gonbad-e Kavous University Research Field during 2016 – 2017 and ...  Read More

Documentation of production process and determination of limiting factors of wheat yield by CPA method in Kalaleh County

Mohammad Sharif Nobatiany; ali Rahemi karizaki; Abbas Biabani; ali mansouri rad

Volume 22, Issue 3 , September 2020, , Pages 361-372

https://doi.org/10.22059/jci.2020.284310.2237

Abstract
  This study was conducted to evaluate the factors limiting wheat yield in Kalaleh County using the Comparative Performance Analysis (CPA) method in 2015-16. Collection of the required information was done by fieldwork, and personal interviews with farmers. To this aim, 60 wheat fields in dry land areas ...  Read More

Identification of Rapeseed Limiting Factors Using Performance Comparison Analysis

Shahram SekhavatiFar; ali Rahemi karizaki; Ali Nakhzari Moghaddam; Mehdi Mollashahi

Volume 22, Issue 1 , March 2020, , Pages 13-25

https://doi.org/10.22059/jci.2019.280944.2212

Abstract
  Understanding the performance potential and the gap between the actual yields of crops with the achievable function is necessary to diagnose the limiting factors of performance. The present study was conducted based on the method of CPA in 50 fields of Zavkooh villi (Kalaleh, Golestan, Iran) in 2016 ...  Read More

The investigation of yield and seed protein of pea cultivars, total yield and LER in intercropping with spinach

Ali Nakhzari Moghaddam; Mojtaba Salehi Sheikhi; ali Rahemi karizaki; Majid Mohamad Eamaeili

Volume 21, Issue 4 , December 2019, , Pages 435-445

https://doi.org/10.22059/jci.2019.278309.2191

Abstract
  In order to investigate the effect of pea cultivars and planting pattern on yield and seed protein of pea, total yield and LER, a factorial experiment (two factors) was conducted in a randomized complete block design with three replications in research farm of Gonbad Kavous University during 2016-2017. ...  Read More

Effect of mycorrhizal fungi and rhizobium bacterial on qualitative and quantitative traits of soybean in response to drought stress

Naser Samsami; Ali Nakhzari Moghaddam; Ali Rahemi Karizaki; Esmaeil Gholinezhad

Volume 21, Issue 1 , April 2019, , Pages 13-26

https://doi.org/10.22059/jci.2019.262185.2066

Abstract
  In order to investigate the effect of drought stress and inoculation with mycorrhizal fungi and rhizobium bacteria on quality and quantity of soybean yield, an experiment was conducted as a split-plot factorial in a RCBD with three replications at research farm of Agricultural Highschool of Urmia during ...  Read More

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

https://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