Question

What is nonsymbiotic nitrogen fixation?

Answer 1

$\underline\bold{\huge{Answer !!}}$

Plants, animals, and microorganisms can die of nitrogen deficiency, if surrounded by N2 they cannot use. Within these nodules, N2 fixation
occurs, and the NH3 produced is directly absorbed by the plant.
Nitrogen fixation by legumes is a close/symbiotic relationship
between a Rhizobium bacterium and a legume host plant.

Answer 2

Answer:

the process of fixation of atmospheric nitrogen into suitable forms that plants can use