Question

plant cannot consume the free nitrogen present in the air then how do plants get nitrogen for thier growth explain​

Answer 1

Answer:

first they can't get it directly from air as you know but there roots are able to get in water or mineral form by rhizobium bacteria it gets stick to roots of plant and give them from soil as per need.

Answer 2

Answer:

Through Bacteria called Rhizobium

Explanation:

Nitrogen present in air cannot directly used by plants. Small bacteria present in soil called rhizobium convert nitrogen in atmosphere to a form that can be easily used by the plants. They are also nitrogen added to soil.