Volume 47 (2024)
Volume 46 (2023)
Volume 45 (2022)
Volume 44 (2021)
Volume 43 (2020)
Volume 42 (2019)
Volume 41 (2018)
Volume 40 (2017)
Volume 39 (2016)
Volume 38 (2015)
Volume 37 (2014)
Volume 36 (2013)
Volume 35 (2012)
Volume 34 (2011)
Volume 33 (2010)
Volume 32 (2009)
Yield gap analysis of rice in Shoaybiyeh, Khuzestan: yield-reducing factors have the greatest contribution to grain yield reduction
Yield gap analysis of rice in Shoaybiyeh, Khuzestan: yield-reducing factors have the greatest contribution to grain yield reduction

Ghazban Anafjeh; Elham Elahifard; Abolfazl Derakhshan; Ahmad Zare

Volume 47, Issue 3 , November 2024, , Pages 425-440

https://doi.org/10.22055/ppd.2024.46453.2153

Abstract
  Introduction One of the main issues of crop production in Iran and many countries of the world is the difference between the farmers’ yields (actual yield) and the achievable ...  Read More
Investigating the rapeseed yield gap in Dehloran
Investigating the rapeseed yield gap in Dehloran

Marzieh Absalan; Esfandiar Fateh; َAmir Aynehband; Abolfazl Derakhshan

Volume 46, Issue 3 , December 2023, , Pages 455-472

https://doi.org/10.22055/ppd.2024.43006.2082

Abstract
   IntroductionAs suitable agricultural land for increasing crop production is decreasing, while the expansion of agricultural land is associated with irreparable damage to the environmen, ...  Read More
Construction of Critical Nitrogen Dilution Curve Based on Stem Dry Matter in Rapeseed
Construction of Critical Nitrogen Dilution Curve Based on Stem Dry Matter in Rapeseed

SeyedAtaollah Siadat; Abolfazl Derakhshan

Volume 45, Issue 1 , May 2022, , Pages 143-156

https://doi.org/10.22055/ppd.2020.31971.1854

Abstract
  IntroductionThere are mathematical equations to distinguish nitrogen (N) status based on the concept of critical nitrogen (Nc), the lowest N concentration required to achieve maximum ...  Read More