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)