Emporia Kansas, USA, 27th March, 2014 Dr. Marcia Schlumeister Associate Professor of Physical Sciences and Bryce Waggoner one of her students use a Bailer (a tool that brings up water from wells for samples) to take a water sample from a test well on the grounds of Emporia State University for testing of concentration levels of Nitrogen and Potassium.

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Location: Emporia State University, Kellogg Circle, Emporia, KS, USA
Photo credit: © mark reinstein / Alamy / Afripics
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Keywords: .., america, appraisal, case, evalution, examination, experiment, inspection, kansas, nitrogen, north, phosphates, probe, states, study, test, testing, trial, tryout, united, university, usa, water