Question

plants cannot use nitrogen directly from the atmosphere ​

Answer 1

Answer:

This is because the gaseous state of nitrogen cannot be directly used by them. ... For them to use nitrogen, it needs to be made available in a different form, hence transformation using the nitrogen fixation process is necessary for its usage.

Answer 2

Answer:

as the gaseous nitgrogen can't be used directly..they need to undergo nitrogen fixation by the help of nitrogenous bacteria from soil...also they don't use free nitrogen..they use nitric acid.,ammonia..

hope it helped you..❤️