Check out the Article in the Capital Pres profiling Biochar and the work of Rockford Washington farmer David Gady.
http://capitalpress.or.newsmemory.com/publink.php?shareid=0d956f8c0

This article is a quick summary of what biochar is, and what it can do for commercial agriculture. Nike shoes | 『アディダス』に分類された記事一覧