Functions and deficiency symptoms of the phosphorous element in rice plant

About nineteen elements are required for the growth of rice plants, of this Nitrogen, Phosphorous, and Potassium are required in large amounts and are referred to as the macro elements.




Phosphorous is the second most important nutrient of rice. It is supplied to the crop in the form of Triple Superphosphate (TSP) which contains 46% P2O5. There are other sources such as Mono
Ammonium Phosphate (MAP) and Di Ammonium Phosphate (DAP).

FUNCTIONS OF PHOSPHOROUS IN RICE PLANT

  • It aids in the stimulation of root growth, hasten crop maturity and improve straw strength
  • It is a constituent on nucleic acid and phytins




  • Phosphate compounds play essential roles in photosynthesis, the inter–conversion of carbohydrates, amino acids and fat metabolism, biological oxidation, the energy transfer process and a host of other life-process reactions.

DEFICIENCY SYMPTOMS OF PHOSPHOROUS IN RICE PLANT

  • Stunted plants with few tillers.
  • Narrow leaves and erect shoots, with a dirty dark green colour.
  • Younger leaves are generally healthier than the older leaves.




  • The presence of a reddish or purplish colour on leaves.
  • The number of leaves and the length of the leaf blade may also be reduced.
%d bloggers like this: