Zinc Iron Copper Boron Manganese and molybdenum are called micro nutrients because they are ........

Agriculture ( Patwari Exam) Farming Practise and Agri Eduaction

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Zinc, Iron, Copper, Boron, Manganese and molybdenum are called micro nutrients because they are:

Nutrients of microscopic significance

Nutrients which produce microscopic effects

Essential nutrients but are required in minute quantities

Nutrients required by micro-organisms

Explanation:

Ans. Essential nutrients but are required in minute quantities

There are 7 essential plant nutrient elements defined as micronutrients [boron (B), zinc (Zn), manganese (Mn), iron (Fe), copper (Cu), molybdenum (Mo), chlorine (Cl)]. They constitute in total less than 1% of the dry weight of most plants. The following discussion focuses primarily on the soil characteristics for the micronutrients