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An experiment involving four soils and three irrigation-water As concentrations was conducted in undisturbed soil columns during 2004–2006, with Boro (winter dry-season, flood-irrigated rice, using As-contaminated water for irrigation), T. Aman (summer monsoon, rain-fed flooded rice), Boro, and T. Aman rice grown in sequence, to examine the fate of added As from irrigation water during flooded rice...
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