The present invention relates generally to the field of molecular biology and concerns a method for enhancing plant yield-related traits relative to control plants. More specifically, the present invention concerns a method for enhancing yield related traits in plants relative to control plants, by modulating, preferably increasing, expression in the roots of a plant, of a nucleic acid sequence encoding a 2-cysteine peroxiredoxin (2-Cys PRX); or by modulating expression of a nucleic acid encoding an ANN polypeptide in a plant. The present invention also concerns plants having modulated, preferably increased, expression in the roots, of a nucleic acid sequence encoding a 2-Cys PRX, or having modulated expression of a nucleic acid encoding an ANN polypeptide, which plants have enhanced yield-related traits relative to control plants. The invention also provides constructs useful in the methods of the invention.