Deficiency symptoms in plants of: Nitrogen Phosphorus Potassium

Here are the deficiency symptoms for Nitrogen, Phosphorus, and Potassium in plants:

• Nitrogen (N):

  • Chlorosis (yellowing) of older leaves, starting from the tips and margins.
  • Stunted growth and thin stems.
  • Overall pale green or yellowish appearance.

• Phosphorus (P):

  • Dark green or purplish discoloration of older leaves, particularly on the undersides.
  • Stunted growth and poor root development.
  • Delayed maturity and reduced flowering/fruiting.

• Potassium (K):

  • Necrosis (browning or scorching) of leaf margins and tips, especially on older leaves.
  • Weak stems and lodging (falling over).
  • Poor fruit development and increased susceptibility to diseases.