Write any two criteria regarding an element as essential plant nutrien

1.	Write any two criteria regarding an element as essential plant nutrients.
Answer» The Criteria of essentiality as proposed by Arnon and stout (1939) includes the following. a. A deficiency of an essential nutrient element makes it impossible for the plant to complete its life cycle. b. The deficiency is specific to the element and can be corrected only by supplying that element. c. The element plays a direct role in the metabolism and nutrition of the plant.

Write any two criteria regarding an element as essential plant nutrients.

Answer»

The Criteria of essentiality as proposed by Arnon and stout (1939) includes the following.

a. A deficiency of an essential nutrient element makes it impossible for the plant to complete its life cycle.

b. The deficiency is specific to the element and can be corrected only by supplying that element.

c. The element plays a direct role in the metabolism and nutrition of the plant.