Sources, importance and deficiency symptoms of nitrogen in rice plant

Nitrogen is generally regarded as the most important plant nutrient and is supplied in the form of urea.




Importance of nitrogen in rice plant

  • generally associated with carbohydrate metabolism.
  • required for vigorous vegetative growth
  • an important constituent of chlorophyll.

DEFICIENCY SYMPTOMS

  • Stunted growth
  • Yellowing of leaves and tillers
  • Reduced tillering

SOURCES OF NOTROGEN TO RICE PLANT




  • Nitrogen applied as fertilizer
  • Nitrogen fixation by non-symbiotic organisms
  • Nitrogen resulting from the mineralization of organic matter in the soil
  • Nitrogen present in irrigated water and rainfall