Agricultural soil research. Soil scientists using open-path ultraviolet-differential optical absorption spectrometry to determine ammonia concentratio

---

Agricultural soil research. Soil scientists using open-path ultraviolet-differential optical absorption spectrometry to determine ammonia concentrations at a dairy farm in southern Idaho, USA.

---

Size: 3667px × 2445px
Photo credit: © PEGGY GREB/US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: absorption, adult, agricultural, agriculture, america, american, ammonia, animal, animals, caucasian, collecting, concentration, concentrations, content, cows, dairy, environment, environmental, farm, farming, female, human, idaho, level, levels, livestock, machine, male, man, maryland, north, open-path, optical, outdoors, pedology, people, person, researcher, researchers, researching, sample, samples, science, scientist, scientists, soil, spectrometer, spectrometry, stall, stalls, states, technological, technology, ultraviolet-differential, united, usa, white, woman