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)
Estimation and Analysis of Faba Bean Yield Gap in Golestan Province Using CPA Method

Mohammad Reza Mansouri Vajari; Ebrahim Zeinali; Afshin Soltani; Benjamin Torabi; Alireza Nehbandani

Articles in Press, Accepted Manuscript, Available Online from 28 April 2024


  Objective: The present study was conducted in order to estimate the yield gap of faba bean in the main production areas of this plant in Golestan province, including Gorgan, Ali Abadkatol and Aq Qola cities, and to identify the factors that cause it and determine the contribution of each of them. Methods: ...  Read More

The amount and How to distribute of chickpea and lentil yield gap in Iran

raheleh arabameri; afshin soltani; Ebrahim Zeinali; benyanen torabi

Volume 23, Issue 2 , June 2021, , Pages 221-234


  Yield gap analysis is a quantitative estimate of possible increase of the capacity to provide food for a specified area. It is an important component for designing strategies to supply food on a scale of regional, national, and global level. In this regard a study has been conducted to determine the ...  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


  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


  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

Documenting the process of rice production and gap yield associated with crop management in rice production (case study: Mazandaran province, Babol region)

Seyfollah Halalkhor; Salman Dastan; Afshin Soltani; Hossein Ajam Norouzi

Volume 20, Issue 2 , August 2018, , Pages 397-414


  Documentation process in agricultural production includes providing all information and activities that show the production route of one crop from providing stage of seed laying to harvest. For this purpose, in this research all finished managing operation from providing stage of seed preparation to ...  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


  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