Recent  

We explored how nutrient enrichment (N and P) affects carbon gas (CO₂ and CH₄) productions from subarctic bog and fen soils. Adding N increased CO₂ from bog, P did so for fen, but combined N and P reduced CO₂ but enhanced CH₄ in both. Soil microbes may have adapted to the natural differences in bog and fen conditions and complicated the changes in carbon gas productions. These insights can guide future research on the impacts of changing nutrient status in cold region soils and carbon emissions.

Agriculture may have a significant role on the climate change mitigation. For that reason, it is necessary to have good estimation of the greenhouse gases (GHG) emissions from the agricultural activities. In this work, two different chamber systems to determine GHG were compared. Our results highlighted that automated chamber systems, compared to manual chamber systems, are a powerful tool for quantifying GHG fluxes, allowing to capture the large temporal variability that characterizes them.

We incubated 10 Japanese soils to study CO₂ release under drying-rewetting cycles (DWCs). CO₂ release was increased by DWCs among all soils, showing soil-by-soil variations in CO₂ release increase magnitude. Organo-Al complex was the primary predictor for the increase magnitude, suggesting vulnerability of carbon protection by reactive minerals against DWCs. Microbial biomass decrease by DWCs was also suggested, although its linkage with the CO₂ release increase is unclear yet.

This study investigated soil respiration and the main factors involved in a semiarid environment (olive grove). For this purpose, one year of automatic multi-chamber measurements were used, accompanied by ecosystem respiration data obtained using the eddy covariance technique. The soil respiration annual balance, Q₁₀ parameter, rain pulses, and spatial and temporal variability of soil respiration are presented in this manuscript.

We investigated relationships between mineral nitrogen (N) fertilisation rates and additional manure amendment with different crop types through the analysis of soil environmental characteristics and microbiome, soil N₂O and N₂ emissions, and biomass production. Results show that wheat was growing well at a fertilisation rate of 80 kg N ha⁻¹, and newly introduced sorghum showed good potential for cultivation in temperate climate.

This study focuses on understanding soil moisture, a key factor for evaluating hillslope stability and landsliding. In Nepal, where landslides are common, we used a computer model to better understand how rapidly soil dries out after the monsoon season. We calibrated the model using field data and found that, by adjusting soil properties, we could predict moisture levels more accurately. This helps understand where landslides might occur, even where direct measurements are not possible.

This study underscores the critical relationship between cropping systems and soil health, especially in drought prone areas. Microbial biomass and nutrients dynamics vary in different land types, emerge as key in promoting soil resilience, displaying microbial biomass and nutrient retention compared to other cropping systems.

Aim of this research was evaluate the correlation between soil organic carbon (SOC) and various soil properties. Nine plots across an altitudinal range from 10 to 320 m were investigated in the deglaciated region of James Ross Island (Antarctica). Our results indicate that the primary factor influencing SOC content is likely not altitude or coarse fraction content, but rather other hard-to-quantify factors, such as the presence of liquid water during the summer period.

This study explores prehispanic terrace agriculture in the southern Peruvian Andes, focusing on soil development and agricultural impacts. It examines soil types and properties, as well as agricultural practices, and traces the region's agricultural development over four phases, highlighting the resilience of ancient communities. The abandonment of terraces wasn't due to soil degradation, emphasizing the sustainability of prehispanic practices and the adaptation to environmental change.

Despite massive use, the impact of storage on soil microbial parameters has been assessed in a very scattered way. I analysed 73 research articles dealing with the impact of storage practices on various soil microbial parameters. The results show significant effects of all storage practices on soil microbial parameters in a vast majority of cases. Storage practices should be carefully selected according to conditions that prevail in the native soil environment and to microbial parameters.

We assessed the long-term impacts of no-till cropping systems on soil organic carbon and nitrogen dynamics down to 1 m depth under the annual upland crop productions (cassava, maize, and soybean) in the tropical climate of Cambodia. We showed that no-till systems combined with rotations and cover crops could store large amounts of carbon in top and subsoil, in both the mineral organic-matter and particulate organic matter fractions. It also questions nitrogen management in these systems.

To assess the impact of groundwater table (GWT) depth on soil moisture and C mineralization, we designed a laboratory setup using 200 cm undisturbed soil columns. Surprisingly, the moisture increase induced by a shallower GWT did not result in enhanced C mineralization. We presume this capillary moisture effect was offset by increased C mineralization upon rewetting, particularly noticeable in drier soils when capillary rise affected the topsoil to a lesser extent due to a deeper GWT.