# Where does biologically active nitrogen come from

**URL:** <https://boards.straightdope.com/t/where-does-biologically-active-nitrogen-come-from/951376>\
**Category:** Factual Questions\
**Created:** [September 26, 2021, 3:37pm UTC](https://boards.straightdope.com/t/where-does-biologically-active-nitrogen-come-from/951376 "2021-09-26T15:37:43Z")\
**Posts on this page:** 1\
**Page:** 2

<div class="post-metadata">

**Author:** ![Wesley\_Clark](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/wesley_clark/32/20581_2.png) [@Wesley\_Clark](https://boards.straightdope.com/u/Wesley_Clark)\
**Post date:** [September 30, 2021, 9:44pm UTC](https://boards.straightdope.com/t/where-does-biologically-active-nitrogen-come-from/951376/21 "2021-09-30T21:44:31Z")

</div>

> [@HoneyBadgerDC](#):
>
> It showed reasons why nitrogen has to be controlled and use sparingly the nitrogen does speed up growth there’s no question about that. And there’s different types of nitrogen

Its kind of unrelated to the thread topic, but I was reading an article today that discusses how our bodies deprive bacteria in our digestive system of nitrogen as a way of controlling them.

[https://today.duke.edu/2018/10/our-microbes-are-starving-and-’s-good-thing](https://today.duke.edu/2018/10/our-microbes-are-starving-and-%E2%80%99s-good-thing)

[Previous page](https://boards.straightdope.com/t/where-does-biologically-active-nitrogen-come-from/951376.md?page=1)