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Alumina-buffered phosphate (Al-P) system of Arabidopsis growth. (A) Sample image of 12-day-old Arabidopsis plants grown on the surface of agar with added Al-P particles. (B) Average content (±SE) of Pi in a 50 ml gel plate, n=8 for each treatment and time point. ‘Buffered’ refers to use of the Al2O3 method, whereas ‘unbuffered’ is the standard gel media system.
