Figure 5

Effect of Si-NPs applications (0, 300, 600, and 900Â mg/L) on seed (A) nitrogen percentage (N%), (B) phosphorus percentage (P%), and (C) Potassium percentage (K%) under drought stress at critical growth stages (CK control, DTS Drought at tillering stage, DFS drought at flowering stage, and DGFS drought at grain filling stage) of wheat.