Soil phosphorous content analysis. Hydrologist preparing a soil sample to determine the phosphorus concentration. Phosphorus is an essential macromine

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Soil phosphorous content analysis. Hydrologist preparing a soil sample to determine the phosphorus concentration. Phosphorus is an essential macromineral for plants and is therefore an important component of healthy soil.

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Photo credit: © Mike Bryant/US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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