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In a post on soil chemistry over at Transect Points, (via Gary) Philip Small delves into the mysteries of pH and pE, buffering and poise. It’s interesting stuff which I point you to in part because how microbes do their stuff is something it’s important to understand, in part because this sort of thinking has relevance to the Terra Preta stuff I was extolling a while back, and in part because of a fear that some readers of Eating the Sun will feel that I downplay the importance of soil, and I’d like to show I appreciate it. On top of all that, though, it’s because I just liked reading him pivot fact into image as elegantly as this:
To many of us, what makes soil different than geologic material is that it is in an excited state, excited mostly by solar energy as facilitated by living processes.
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