Robin Brandt, director of the Odor Assessment Lab in the College of Agricultural Sciences, demonstrates the use of a field olfactometer to measure odors.
UNIVERSITY PARK, Pa. A Penn State Extension field demonstration of technology designed to reduce odors and nutrient losses from agricultural fields will be a featured segment on the History Channel's "Modern Marvels" program. The episode, titled "Stink," will premiere at 10 p.m. on Monday, Jan. 23, on the History Channel's H2 network. According to the network's website, the program will look at the science of odors - "from cesspools, military stink bombs and rancid rotting meat to cow farms and landfills" - and will answer the question, "So how do we deal with these horrific odors?" A crew from the History Channel shot footage and s at an August 2011 event near Mercersburg sponsored by Penn State Extension, according to Jennifer Bratthauar, agronomy and nutrient management extension educator based in Franklin County. The field demonstration highlighted technology that allows farmers to inject and incorporate liquid manure into the soil. Research has shown that this method can keep manure nutrients from running off in surface water, where they can contaminate streams, rivers and ultimately the Chesapeake Bay.
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