Changes of (A) whole plant, whole leaf blade (LB), and root biomass, and (B) LB biomass of leaf ranks 8, 10, and 12 of oilseed rape for control plants (+S; filled symbols) and S-limited plants (–S; open symbols) during the 35 d of treatment. Vertical bars indicate
6SE (n¼4) when larger than the symbol. Different letters indicate that mean values are significantly different at a given date between
treatments (P