The Soil Foodweb Institute of NZ Ltd www.soilfoodweb.co.nz

Environmental Fertilisers, Paeroa (for Compost Tea brewing kits) www.environmental-fertilisers.co.nz/

Ooooby - Out of our own back yards http://ooooby.ning.com/

Hill Laboratories - Soil and crop testing www.hill-laboratories.com

Tuatahi Racing Axes and Saws - Manufacturers of Dirt Doctor Tools www.tuatahiaxes.com

Carl Pickens - Landscape Architecture www.oneearthmatters.co.nz/

The Koanga Institute www.koanga.co.nz

Willing Workers on Organic Farms (Wwoof) www.wwoof.co.nz

The Dirt Doctor is now on Facebook! Check out www.facebook.com/DirtDoctorNZ

Chicken Tractors - moveable chicken coops www.bluemountaincoops.com

Tahuri Whenua - National Maori Growers Collective www.tahuriwhenua.org.nz

Enviroschools New Zealand www.enviroschools.org.nz

Dirt Doctor and the Owhiro Bay Community Gardens http://www.corrections.govt.nz/news/community-spirit-flourishes-in-owhiro-gardens.html

Sir Albert Howard's "An Agricultural Testament" www.journeytoforever.org/farm_library/howardAT/ATtoc.html

Earth Whisperers - Papatuanuku, documentary www.wickcandle.co.nz

Jim O'Gorman featured in the ODT www.odt.co.nz/lifestyle/home-garden/66328/gardeners039-answer-lies-soil

Dirt Doctor featured in "Free Food NZ" http://freefood.org.nz/2010/09/dirt-doctor-urban-eden-workshop/