1. Centre for Agricultural and Rural Sustainability; Plymouth University; Drake Circus; Plymouth; PL4 8AA; UK
2. Agriculture and Agri-Food Canada; Pacific Agri-Food Research Centre; PO Box 1000; Agassiz; BC; V0M 1A0; Canada
3. ES Cropconsult; 6145 171A St.; Surrey; BC; V3S 5S1; Canada