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United States Department of Agriculture

Agricultural Research Service

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Image Number D375-2

Left to right: Ohio State University extension horticulturist Randy Zondag, ARS agricultural engineer Heping Zhu, ARS plant pathologist Charles Krause (standing), and technician Adam Clark collect water samples from a pot-in-pot tree-production research site at Willoway Nurseries in Avon, Ohio, for analysis of nutrient and pesticide leaching.

Photo by Stephen Ausmus.

640 pixels wide: (d375-2.jpg)

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Last Modified: 8/13/2016
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