Study: Antibiotics hide within soil mineral layers

Up to 60 percent of each antibiotic dose is not metabolized and is then excreted, and ends up in manure, which is spread as fertilizer on farm fields. Human waste sludge is also applied to lands. The study suggests that when trapped in clay mineral layers, antibiotics may possibly be unavailable for runoff or for interacting with microbes and plants, though more research is required.
Read more: http://snapzu.com/nanno/study-antibiotics-hide-within-soil-mineral-layers