Chemist analysing soil samples. Soil composition is affected by different land uses. These soil samples, from Oregon, USA, are being tested for levels

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Chemist analysing soil samples. Soil composition is affected by different land uses. These soil samples, from Oregon, USA, are being tested for levels of nitrogen to determine the effects of different crops or grasses.

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Size: 2409px × 3673px
Photo credit: © SCOTT BAUER/US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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