Community soil evidence

Explore soil tests from around the world.

Filter shared NPK and micronutrient results while keeping their date, depth, method, units, and contributor-selected location precision attached.

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Matching tests

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Mapped in results

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Regions shown

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Nutrient values shown

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Published locations

World map

ApproximateExact
World map of shared OpenSoil test locations A detailed Equal Earth map with country boundaries from Natural Earth. Select a soil-test marker to locate its corresponding record. Drag to pan and use the controls or mouse wheel to zoom.
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Select a marker to highlight a soil-test record.

Shared records

Soil tests in context

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Interpret carefully. Values from different extraction methods, depths, crops, climates, and units are not automatically comparable. This explorer presents contributed measurements; it does not generate fertilizer recommendations.