Image Number K8721-3

Caption for November 2003 Agricultural Research magazine article, "ARS: 50 Years of Research for the Growing World." Programs like MSEA, which began in 1990, have helped develop and test farming methods that preserve water quality. Here, an ARS scientist collects one of many water samples for a MSEA study.

Caption for January 2000 Agricultural Research magazine article, "Precise Inputs for a Cleaner Environment." Technician Jeff Nichols collects a water sample from the Walnut Creek watershed in Ames, Iowa. Samples are collected weekly form this area and surrounding watersheds to study the effects farming practices have on water quality.

Photo by Keith Weller.

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