Study: Fertilizer was probably first used in Europe 8,000 years ago

07/15/2013 | ScienceMag.org

Scientists say plant remains from 13 sites around Europe proves that farmers used animal dung as fertilizer 8,000 years ago. It was previously believed that fertilization began some 3,000 years in the Near East, but a British-led team found high levels of nitrogen-15 in the remains of wheat, barley, peas and lentils in the European sites -- an indication that fertilizer had been used.

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