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The Winter 2004-2005 issue of OMRI Update, published by the Organic Materials Review Institute of Eugene, Oregon, features two recent studies on compost teas which point out the different impacts of brewing methods and additives. In one study by Will Brinton and colleagues at Woods End Laboratory, published in the Journal of BioDynanties, the researchers look at the capacity of types of compost tea to sustain a population of E. coli. They recommend that...