Question

short answer type questions

What do you mean by essentiality of an element?

Answer 1

Essentiality of the element is, the element must be critical for the growth and development of the plant. The plant cannot complete its life cycle or produce seeds or exhibit normal growth in the absence of the element. The requirement for the element must be specific and not replaceable by another element. This means the deficiency of one element cannot be compensated by supplying any other element. The element must have a direct role in the metabolism of the plant