ABSTRACT

A Sense of Humus ................................................................................................................................. 196 Soil Organic Matter ................................................................................................................................ 197 Soil Organic Carbon............................................................................................................................... 198 Soil Food Web........................................................................................................................................ 198 Charred Carbon...................................................................................................................................... 199

Terra Preta: Amazon Dark Earths..................................................................................................... 200 Carbon Sequestration............................................................................................................................. 201 Is Biochar a Fertilizer?........................................................................................................................... 203 Micropores: Nature’s Nanotechnology.................................................................................................. 203 Adsorption: Why Carbon Is Black......................................................................................................... 205 Fertilizer Ef‹ciency and Water Quality................................................................................................. 206 Habitat, Housing, and Shopping Malls.................................................................................................. 207 Substrate for Microbes........................................................................................................................... 208 Missing Carbon...................................................................................................................................... 209 Soil Reef: Microbial Communities........................................................................................................ 209 Microbial Nitrogen Cycle.......................................................................................................................210 Feedstocks: Weedy or Woody?...............................................................................................................211 Preparing Biochar for Soil......................................................................................................................212