In plant nutrition elements are classified as major or minor depending on

Options

A. Their availability in the soil
B. Their relative production in the ash obtained after burning the plants
C. The relative amounts required by the plants
D. Their relative importance in plant growth

Answer

C

Explanation

Major elements are required by plants in quantity of more than 1 milligram/gram dry matter and minor elements are required in quantity of less than 1 milligrams /gram of dry matter.