Comment 8977

By trey (registered) | Posted July 04, 2007 at 21:55:08

My guess How the farmer produced more food in the 1750s -- guano. ie. bird droppings. It was mined extensively when it was discovered that its high nitrogen content improved crop yields.

Permalink | Context

Events Calendar

There are no upcoming events right now.
Why not post one?

Recent Articles

Article Archives

Blog Archives

Site Tools

Feeds