Use of biosolids (treated municipal sewage sludge) on crops is a common practice because biosolids are a rich source of plant nutrients and organic matter. However, these biosolids can contain dangerous dioxins. Scientists investigated the effects of continuous and long-term application of biosolids on the levels of dioxins in soil and corn tissues.
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Jeff LeBlanc announces the acquisition of the Vermitech biosolids process from an Australian firm. Vermitech uses an earthworm composting technology for processing biosolids at two agencies in Pennsylvania. The new venture has been named WeCare Vermitech. More >>
