University of California
Cooperative Extension Ventura County
Use of Mulch in Organic Orchards Called into Question
Because of potential contamination of mulches from pesticides, mulch use is being called into question and testing may be required for mulches applied to organic orchards. This is a recent ruling. As always, anything applied to a certified organic operation should be cleared with the certifier first.
http://www.prnewswire.com/news-releases/beyond-pesticides-federal-court-finds-usda-process-for-allowing-pesticide-contaminated-compost-improper-and-stops-use-300288112.html
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