| http://www.w3.org/ns/prov#value | - In Minnesota, models in fertilizer sacks pose on a production line.1980 Over the next decade, more man-made fertilizers, like this nitrogen-phosphorus-potassium mix, will be put on crops than were used in previous human history.1995 The Alfred P. Murrah Federal Building in Oklahoma City is destroyed by a bomb made mostly of ammonium nitrate and diesel-fuel oil, killing 168 people.2001 The Florida
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