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Information and knowledge about the spatial variability and multi-scale sources of soil heavy metal variability are important for risk assessment, soil remediation, as well as effective management recommendations. Topsoil samples (0–20cm) (n=330) were collected from Luhe County, China. Geostatistical multivariate factorial kriging with robust estimates of variograms, spatial overly analysis and indicator...
Agricultural soil quality evaluation is essential for economic success and environmental stability in rapidly developing regions. At present, a wide variety of methods are used to evaluate soil quality using vastly different indicators. A universally accepted method of soil quality evaluation would assist agriculture managers, scientists, and policy makers to better understand the soil quality conditions...
In agricultural ecosystem, soil organic matter (SOM) and soil total nitrogen (STN) are important indexes in estimating the soil carbon stock, soil fertility and soil quality. This paper examines the temporal and spatial variation of SOM and STN in Rugao city, Jiangsu Province, an agricultural area in Yangtze River Delta region, China, as affected by farming practices using the data from 1982 through...
Geochemical barriers (GBs) are defined as a local epigenetic zone where the conditions of elemental migration are distinctly altered, resulting in a substantial accumulation of selected elements. It is of great importance to understand the local distribution pattern of elements and their availability affected by local factors. A soil survey of two predominant landscapes, an arid desert landscape and...
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