Frank Hoeffner Frank Hoeffner Edgerton, Missouri Edgerton, Missouri David Yarrow David Yarrow Lawrence, Kansas Lawrence, Kansas Robert Cain Robert Cain Atlanta, Georgia Atlanta, Georgia Frank Hoeffner Frank Hoeffner 23750 Hwy B 23750 Hwy B Edgerton, Missouri 64444 Edgerton, Missouri 64444 816-227-9626 816-227-9626 Microbial Culture Bin Microbial Culture Bin Biochar Properties Biochar Properties