How are the terms ‘critical concentration’ and ‘deficient’ different from each other in terms of concentration of an essential element in plants? How will you find the values of ‘critical concentration’ and ‘deficient’ for minerals – Fe & Zn?

Question

Philoid · Accepted Answer

These values can be found out using Hydroponics.

Below the critical concentration the elements become deficient of an element and starts showing signs and symptoms of it’s deficiency.