• The 2011 crop – our best so far
  • North America Study Tour 2010
  • The 2011 crop – our best so far
  • China-Vietnam study Tour 2013
  • The 2011 crop – our best so far
  • 13 T/Ha wheat crop in England, 2015 Ag Tour
  • The 2011 crop – our best so far
  • Factory tour, China-Vietnam 2013
  • The 2011 crop – our best so far
  • Finding ANZAC relations graves, Ypres Belgium, European Ag Tour 2015
  • Harvesting the 2009 crop
  • Cotton Rondonopolis, Brazil, South America 2016
  • Iguazu Falls, South America, 2016
  • On the Amazon, South America, 2016
  • The late James Crabtree (92) enjoying the fruits of our labour
  • North America Study Tour, 2010
  • Factory tour, China-Vietnam 2013


Our focus has shifted to working in Africa through Arise African Agriculture – empowering Africa to feed itself. Please see more at www.ariseafricanag.com
FrankenFoodFacts: ‘Better Know a Farmer’An interview with No-Till Guru Bill Crabtree Published on November 12, 2015An independent investigation into the validity of claims made by pro- and anti-GMO groups.

No-till farming – an interview with Bill Crabtree

Published on Mar 31, 2014
Bill Crabtree, also known as "No-Till Bill," visited the International Institute for Environment and Development on 28 March to take part in a seminar focused on "No-till farming and the search for sustainability in dryland agriculture".

Definitions of no-till

  • multiple tillage – two or more tillages before seeding (this replaces the term ‘conventional tillage’)…
    Crabtree Agricultural Consulting
  • reduced tillage – one pass of full soil disturbance prior to seeding…
    Crabtree Agricultural Consulting
  • direct drilling – one pass seeding with a full-cut or greater than 20% topsoil disturbance…
    Crabtree Agricultural Consulting
  • no-tillage – knife point or disc seeding with 5–20% topsoil disturbance; and…
    Crabtree Agricultural Consulting
  • zero-tillage – disc seeding without soil throw (but note that some discs do throw soil).
    Crabtree Agricultural Consulting Crabtree 2010: Search for Sustainability, page 9.
Globally, Conservation Agriculture is defined as Zero Till – full residue retention, diverse crop rotations and minimal as possible soil disturbance.
Bill endorses this definition, however, diverse crop rotations are a real challenge in the very dryland farming areas of Western Australia.
At Crabtree Agricultural Consulting, we:

Bill is well networked with:

Follow Bill on Twitter

and Facebook

Follow Bill on Twitter: