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Quantitative Assessment of Soil Quality Indices for Urban Croplands in a Calcareous Semi-arid Ecosystem by N. Mamehpour; Salar Rezapour; N. Ghaemian is a Environmental Science article available to read on EtoBox.

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Urbanization-induced soil quality degradation is a global challenge in both developed and developing nations which can be responsible for the reduced health and productivity of agroecosystems. However, available data are very limited as to the impacts of urbanization on different quantitative scenarios of soil quality indices (SQI). The present study determined and investigated 24 variables including a combination of fertility, salinity, and sodicity attributes and heavy elements of surface soils (0 to 50 cm depth) for 14 soil profiles of urban (10 profiles) and non-urban (4 profiles as control) fields. The quantitative SQI of the urban soils and the control field was compared using two models of the Integrated Quality Index (IQI) and Nemoro Quality Index (NQI), various indicators selecting approaches [total data set (TDS) and minimum data set (MDS)], and scoring methods (linear and non-linear) under different soil types (Calcisols, Cambisols, Fluvisols, and Regosols). The results revealed that urbanization had influenced soil quality both negatively (e.g. an increase in soil salinity (EC), sodium adsorption ratio (SAR), exchangeable sodium percentage (ESP), Soil erodibility factor

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Author

N. Mamehpour; Salar Rezapour; N. Ghaemian

Published

2021

Language

EN

Field

Environmental Science (Physical Sciences)