... processesinvolved in As transformation in the soilÁ/rhizosphereÁ/plant system. Rhizosphere interac-tions are deemed to play a key role in controllingbioavailability to crop plants (Hinsinger, ... directly investigatethe fate of As in the rhizosphere we highlight in thefollowing the major processes taking place in therhizosphere to assess the potential interactionswith the fate of As in ... McGrath, S.P., 1991. In situdecontamination of heavy metal polluted soils. Using cropsof metal-accumulating plants: a feasibility study. In: Hinchee, R.E., Olfenbuttel, R.E. (Eds.), In Situ Bioreclama-tion....