Member portal

My OpenSoil account

Your identity, projects, field records, and community work stay connected here.

Your soil record

Share a soil test from anywhere

Record NPK and micronutrients with their original units, sample date, and GPS location. You decide whether each test stays private or contributes to the global OpenSoil dataset.

Add a soil test

Enter measurements, sampling context, location, and sharing preferences.

Plan a field trial

Define the baseline, treatment, control, measurements, and limitations.

Explore the world map

Browse shared soil tests by nutrient, date, region, laboratory, and method.

Ask a soil question

Build a question with field context, measurements, and a desired outcome.

Community soil tests

Add a laboratory result

Copy values exactly as reported. Different methods and units are preserved rather than silently converted. Fields marked required must be completed.

Sample name Sample date Laboratory name Test or extraction method Top depth (cm) Bottom depth (cm)

GPS location

Exact coordinates are stored in a private location record. They are only published when you explicitly choose exact public location below.

Or enter latitude and longitude manually.

Latitude Longitude GPS accuracy (meters) Public region

Nutrients

Enter at least one result. Use the unit printed by your laboratory.

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Sharing and context

Who can see this test? Public location precision

Default: Nutrient results and coordinates rounded to one decimal degree are shared without your name. Your exact GPS remains private.

Private notes

By saving a test, you confirm you are authorized to submit its measurements and location. Shared records follow the terms of use and your selected privacy controls.

Saved records

Your soil tests

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