Abstract
Correlation between Carbon dioxide Evolution and Biological Quality Index of Long-term Nutrient Management Adopted Soils
Highlights
Soil quality or health is the ability of a soil to function within the ecosystem to sustain productivity, maintain environmental quality, and promote plant and animal health (Doran and Parkin, 1994)
We have developed a correlation between the amounts of CO2 evolved after rewetting with a readily available carbon source and the biological attributes of the soil
All the four soils had 840-860 μg/g of Soil labile carbon (SLC) and among the four nutrient managements, INM recorded the highest SLC followed by OM, whereas IC and Control had the lowest level of SLC
Summary
Soil quality or health is the ability of a soil to function within the ecosystem to sustain productivity, maintain environmental quality, and promote plant and animal health (Doran and Parkin, 1994). Monitoring soil quality is an important component of any land management system that sustains soil resources (Morrow et al, 2016). Soil quality explores the physicochemical, biochemical, and biological attributes of the soil to determine whether the soil function is enhancing, maintaining, or deteriorating due to different land use patterns and agricultural practices (Bünemann et al, 2018). A common universal method to determine the soil quality is unavailable, as the soil system functioning is controlled by the soil types, agro-ecosystems, and soil management practices (Rinot et al, 2019). Bioavailable nitrogen, soil bulk density, macro-aggregates stability, microbial biomass carbon, labile or particulate or soluble carbon are some of the potential quality indicators used to monitor the soil health as influenced by nutrient management, tillage, cropping pattern and other activities (Andrews et al, 2004; Karlen et al, 2006; Masto et al, 2008; Bai et al, 2018)
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