usdagov 10556121946 20131022-NGC-DBF-5646

---

Size: 1705px × 1466px
Photo credit: © Nature and Science / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: center, equipment, gipsa, grain, inspection, kc, measurement, mo, national, nature, ngc, nps, osec, science, scientists, sec, standardize, testing, usda, vilsack