(Università Ca' Foscari Venezia) Researchers have identified natural hydrocarbons in woods and farmlands that had been fertilized with artificial fertilizer, compost or digestate in the past ten years. Soil samples showed high levels of hydrocarbons, especially for samples taken in the woods with concentrations that reached up to four times the legal limit
from EurekAlert! - Social and Behavioral Science http://ift.tt/2BmTejt
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