Micronutrients are
Less important than macronutrients but are present in large amount in plant
As important as macronutrient but are present in trace amounts in plant
Having a minor role in plant nutrition
Omitted from culture medium without any detrimental effect
Micronutrients
Micronutrients or trace elements are needed in very small amounts (less than 10 mmol Kg-1 of dry matter).