Answer:
As the options are not given, let's study about the essential micro nutrients in commercial fertilizers generally.
Explanation:
Some of the micro-nutrients found in fertilizers are:
- Boron: The support the structural and functional integrity of the plant,
- Copper: Copper is used for enzyme activation.
- Iron: It is used for the production of food by the plants.
- Manganese: It helps in photosynthetic reactions.
- Molybdenum: It is used for optimizing the growth of plants.
- Zinc: functions in many ways in plants.
