Question

What is critical concentration of essential element ? How does it affect the plant growth and metabolism ?

Answer 1

Critical Concentration is the term which is used to define the concentration of essential elements below which the growth of plant is Retarded or Reduced. Also, if the concentration of essential elements rise above the critical concentrations, it leads to Toxicity.

Answer 2

whenever the supply of an essential element becomes limited plant growth is retarded.

the concentration of the essential elements below the plant growth is retarded is known as critical concentration.

hope this helps u.