Don Graves gave a presentation focused on biochar at the recent Land Use Opportunities Symposium in Rotorua. You can find a PDF version of the presentation here. Plenty of other interesting presentations and at least 2 others mention biochar.
Coverage also here…
“A symposium to explore sustainable land practices and use opportunities for Lake Rotorua catchment was held on June 16 and 17, to support landowners who will be affected by new nitrogen rules designed to improve water quality in Lake Rotorua.
Hosted by Bay of Plenty Regional Council (BOPRC) and Grow Rotorua, the two day event attracted over 200 people.
It featured a wide range of high calibre guest speakers discussing environmentally sustainable farming, business innovation and opportunities for land use change in the Lake Rotorua catchment.”