General recall and food warning data: http://www.safetyalerts.com; http://www.foodhaccp.com;

Canadian Food Inspection Agency (Health Canada) product recalls and food warnings can be found at : http://www.inspection.gc.ca/english/corpaffr/recarapp.recaltoce.shtml;

U.S. Food and Drug Adminsitration product recalls and food warnings ca be found at: http://www.fda.gov/oc/po/firmrecalls/archive.html

Y.Hadar and R. Mandelbaum. 1992. Suppressive Compost for Biocontrol of Soil borne Plant Pathogens. Phytoparasitica 10: Suppl. 1992.

The Composters' Answers Book, Volume One. BioCycle. Journal of Composting & Organics Recycling. JG Press, Inc. Emmaus, Pennsylvania.

Zhang W., Han DY., Dick WA., Davis KR., Hoitink HAJ. 1998. Compost and compost water extract-induced systemic acquired resistance in cucumber and Arabidopsis. Phytopathology. 88:5, 450-455.