Question

What are the criteria of essentiality of elements?

Answer 1

Explanation:

The rest of the elements are required in trace amounts (micronutrients). Essential trace elements include boron (B), chlorine (Cl), copper (Cu), iron (Fe), manganese (Mn), sodium (Na), zinc (Zn), molybdenum (Mo), and nickel (Ni). Beneficial mineral elements include silicon (Si) and cobalt (Co).

Answer 2

Listed below are the criteria for essentiality of the elements :

1. Specific element must certainly be important for growth of the plants. In absence of that element, plants will not be able to set seeds.

2. That element was absolutely contribute to the metabolism of the plants directly.

3. Requirement of element by the plant should be specific and must not be replaceable by other element.

4. When the availability of the element is reduced then disorders will be caused in the plants.