Using Biodegradable Plastics as Agricultural Mulches January 9, 2013 Corbin, A., Cowan, J., Miles, C.A., Hayes, D., Dorgan, J., Inglis, D.A., January 2013. WSU Extension Fact Sheet FS103E.
Silver Scurf Caused by Helminthosporium solani Can Be A Polycyclic Disease on Below Ground Potato Tubers – April 2010 April 21, 2010 Article in Sustaining the Pacific Northwest Newsletter