The origin of soil selenium in a typical agricultural area in Hamatong River Basin, Sanjiang Plain, China

The origin of soil selenium (Se) is relatively complex, and analysis of the origin of soil Se is of great significance in clarifying the cause of its richness and the impact of human activities on soil environmental quality, as well as assisting in the scientific planning of Se-rich land use, improving land use value, and promoting regional economic development. In this study, in order to identify and clarify the origin of soil Se and the causes...