National Occupational Health and Safety Commission (NOHSC)
http://www.nohsc.gov.au/default.asp

Australian Pesticides & Veterinary Medicines Pesticides Authority (APVMA)
http://www.apvma.gov.au/

Commonwealth Scientific and Industrial Research Organisation
http://www.csiro.com.au

Department of Agriculture, Fisheries and Forestry
http://www.affa.gov.au/

Department of Primary Industries
http://www.dpi.nsw.gov.au/reader/dpi

Avcare, National Association for Crop Production and Animal Health
http://www.avcare.org.au

Some More Links

http://www.ihd.com.au/

http://www.airr.com.au/

http://www.nri.com.au/

http://www.crt.ruralco.com.au/