Volume 46 (2023)
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 (2013)
Volume 34 (2011)
Volume 33 (2010)
Volume 32 (2010)
Volume 30 (2008)
Volume 29 (2007)
Volume 28 (2005)
Volume 27 (2005)
Volume 25 (2002)
Volume 21 (1999)
Volume 15 (1991)
Volume 14 (1991)
Volume 11 (1987)
Volume 8 (1983)
Volume 7 (1980)
Volume 5 (1978)
Volume 4 (1977)
Volume 2 (1976)
Volume 1.31 (1975)
Research Paper
The effect of climate change on soil organic carbon storage using the Roth C model in the agricultural lands of Golestan province

maryam sebti; F. Khormali; afshin soltani; kamran Eftekhari; abdolazim ghanghermeh; esmaeil dordipour

Volume 45, Issue 4 , March 2023, Pages 339-355

https://doi.org/10.22055/agen.2023.42568.1650

Abstract
  Introduction Increasing concerns about global warming and climate change have led to special attention to soil and its capability in carbon sequestration in recent years. About 540,000 hectares of soils in Golestan province are under agronomic activities and so far no studies have been conducted on soil ...  Read More

Research Paper
Comparing Zn speciation and fractionation in selected diagnostic horizons from Khuzestan Province

Seyedh Sanaz Mousavi; ُSaeid Hojati; Ahmad Landi

Volume 45, Issue 4 , March 2023, Pages 357-375

https://doi.org/10.22055/agen.2023.42923.1654

Abstract
  Introduction Soils at the earth crust could be considered as the result of interaction among five soil-forming factors. The strength and weakness of each of these factors causes formation of different soils with different properties and horizons. Previous studies have reported that Iranian agricultural ...  Read More

Research Paper
Feasibility of using Copula function in predicting soil available phosphorus and potassium

Ehsan Ghojehpour; Vahidreza Jalali; Azam Jafari; Majid Mahmoodabadi

Volume 45, Issue 4 , March 2023, Pages 377-390

https://doi.org/10.22055/agen.2023.42847.1652

Abstract
  Introduction Spatial and temporal variations of soil characteristics occur in large and small scales. Investigating the variability of soil parameters is considered as one of the requirements for proper management of fertilizer resources in a sustainable agricultural system. Studying of these variation ...  Read More

Research Paper Plant Nutrition, Soil Fertility and Fertilizers
Impact of zeolite and nitrogen application on nitrogen use efficiency, growth and yield of maize (Zea mays L.)

Nadieh Dastbaz; Mohammad Ali Mahmoodi; Akbar Karimi; Sara Salavati

Volume 45, Issue 4 , March 2023, Pages 391-408

https://doi.org/10.22055/agen.2023.43010.1655

Abstract
  Introduction Nitrogen (N), an essential nutrient for growth and development of plants, is added to agricultural fields to boost crop yields. Major concern in modern agriculture to account for maximum nutrient use efficiency, improve the soil fertility and prevent groundwater pollution. Environmental ...  Read More

Research Paper Soil Chemistry and Pollution
Changes in The Hydrocarbon Pollution Rate of Soil Containing Biochar Modifier (Case Study: Soil Around Shiraz Refinery)

Mina Hashemi Tazangi; Soheila Ebrahimi; Reza Ghorbani Nasrabadi; Seyed Alireza Movaheddi Naeeni

Volume 45, Issue 4 , March 2023, Pages 409-424

https://doi.org/10.22055/agen.2023.42909.1653

Abstract
  Background and objectives: Hydrocarbons derived from petroleum and gas have gained increased attention as the most important fossil resources of energy as well as crude material for petrochemical industries. However, environmental issues such as pollution due to extraction, exploitation and transportation ...  Read More

Research Paper Plant Nutrition, Soil Fertility and Fertilizers
Supplementary nutrition and using time effects on quantitative, qualitative and biochemical indicators of button mushroom

edris shabani

Volume 45, Issue 4 , March 2023, Pages 425-441

https://doi.org/10.22055/agen.2023.43489.1664

Abstract
  Introduction The decrease in yield and quality levels of button mushrooms during the cultivation period is one of the important challenges of the mushroom production industry, due to the reduction of substrate nutrients and the accumulation of undesirable compounds. One of the solutions to prevent the ...  Read More