Impact of irrigation with high arsenic burdened groundwater on the soil-plant system: Results from a case study in the Inner Mongolia, China

► We examined influences of irrigation with As burdened water at two fields. ► As distribution within soil-plant system in Hetao Plain, PR China. ► Three years of flood irrigation with As containing groundwater. ► Annual As inputs per m2 were estimated as 120 mg and 186 mg, respectively. ► Contents in topsoil and plants are partly elevated, but not critical yet.