Dynamics of greenhouse gas fluxes and soil physico-chemical properties in agricultural and forest soils

Ashik Rubaiyat, Md Lokman Hossain*, Md Humayain Kabir, Md Monzer Hossain Sarker, Mir Md Abdus Salam, Jianfeng Li

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review


Examination of greenhouse gas (GHG) fluxes (CO2, CH4, and N2 O) in soils is crucial for developing effective strategies to mitigate climate change. In this study, we investigated the GHG fluxes in agricultural and forest soils to explore the changes in soil GHG fluxes, and assess the relationships of GHGs with other physico-chemical properties. Results show that forest soils have a higher CO2 flux, while agricultural soils have a higher N2 O flux due to fertilizer application and heterotrophic nitrification. Forest soils act as a CH4 sink, which are connected with increased porosity and decreased bulk density. In agricultural soils, CO2 and N2O were strongly linked with NHþ4, soil temperature, pH, soil organic carbon, total nitrogen, plant-available phosphorous, and microbial biomass nitrogen (mbN) but were negatively connected with bulk density and microbial biomass carbon (mbC). In contrast to CO2 and N2O, CH4 in agricultural soils exhibited inverse relationships with all physico-chemical properties. In forest soils, CO2 and CH4 were positively correlated with soil temperature and mbC, and mbN and N2O were negatively correlated with bulk density and pH. This study highlights the critical need to comprehend the complex relationship between soil physico-chemical properties and GHG fluxes for effective climate change mitigation.

Original languageEnglish
Pages (from-to)3791-3809
Number of pages19
JournalJournal of Water and Climate Change
Issue number10
Early online date7 Sept 2023
Publication statusPublished - 1 Oct 2023

Scopus Subject Areas

  • Global and Planetary Change
  • Water Science and Technology
  • Atmospheric Science
  • Management, Monitoring, Policy and Law

User-Defined Keywords

  • agriculture
  • forests
  • greenhouse gas fluxes
  • land use
  • physico-chemical properties
  • soil organic carbon


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