United States Department of Agriculture
AgResearch Magazine
Discoloration on an oak tree trunk caused by Phytophthora ramorum. (Tim Widmer, D3824-1)
ARS engineer Zhongli Pan (left) and post docs Ragab Khir (center) and Chandrasekar Venkitasamy use an infrared thermometer to check walnut temperatures. (Mathew Reiff, D3819-1)
Walnuts. (Photo by ARS, D1234-1)
ARS microbiologists Brad Bearson, left, and Shawn Bearson developed a new vaccine that protects against different types of Salmonella in turkeys and pigs. (James Fosse, D3830-1)
A cotton field free of Palmer amaranth. (USDA-ARS, NSDL, D3822-1)
ARS plant physiologist Andrew Price and ARS agricultural economist Leah Duzy identify Palmer amaranth in a cotton study in Alabama. (Trent Morton, D3821-1)
ARS engineer Cheng-Kung Liu, left, observes the airborne ultrasonic system used to scan hides for defects while ARS engineer Nick Latona, right, reviews scan images. (Zerlina Muir, D3829-1)
