Question

(i) How many nutrients are essential for plants ? (ii) What are macronutrients and micronutrients ? (iii) List the nutrients supplied by air, water and soil.

Answer 1

There are 20 nutrients required by plants. Macro nutrients are nutrients which are required in large amount by the plants. Micro nutrients are nutrients which are required in less amount by the plants. Nutrients supplied by - Air = carbon , oxygen Water = hydrogen, oxygen Soil = micro and macro nutrients