Dr Paul Taylor has visited NZ from Oz in the cause of biochar. Similar voices to his are currently missing from agriculture and environmental discourse in NZ. He has sensible things to say in this ABC radio interview.
http://www.abc.net.au/news/2014-03-11/biochar-revolutionary/5313028
Paul Taylor’s book: The Biochar Revolution…
http://sea-biochar.blogspot.com/2010/12/another-new-biochar-book-biochar.html