Phosphogypsum (PG) is a by-product of phosphorus fertilizer production that stored in large piles (stacks). Typically, PG stack reclamation focuses on topsoil caps vegetated with grass which has limited economic return. Therefore, study was conducted using the short-rotational tree species (Picea glauca, Populus balsamifera) to determine their potential reclamation. Five soil amendments (compos...