argylesock says… The Haber-Bosch process changed the world so much.
I recently read this brief history of the use of nitrogen fertilizer, and it was so interesting to learn more about this crucial agricultural input! In my agricultural economics classes, we often use nitrogen as an input for our examples, so it was good to beef up my knowledge about it. Maybe you will discover a couple of new-to-you facts as well?
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Science on the Land 
Hi argylesock,
Did you see that our friend was In the Spotlight in recent days.
http://en.blog.wordpress.com/2013/04/22/earth-day-2/
I didn’t notice, so thanks for pointing it out. I’m now followng some more blogs.
Good reblog Sam. I left a comment on ‘Food (Policy) for thought’ that I think dietary nitrate can also be converted to carcinogenic nitrosamines.
That’s interesting. I’ll go now to see what you said.