← Back to the Digital Soil MapCREU framework · public submission

Submit a reference site

Add a long-term experiment, native remnant, conservation site, or paired cropland to the CREU map. Submissions are saved as drafts and reviewed by Soil Health Exchange staff before they appear publicly. Open to researchers, extension educators, conservation professionals, and producers.

1. Where is the site?

Click or drag on the map to mark the sampling point. MLRA, soil texture, and state will auto-fill from your coordinates — you can edit them below if needed.

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Latitude *Longitude *Location display namee.g. 'UNL Panhandle REEC, Scottsbluff, NE'CountyState (2-letter)MLRA codeAuto-filled from your pointMLRA name

2. Site identity

Tell us what this site is and how it's been managed.

Site name *Site type *Land suitability groupManagement / reference state *Describe the management history and current state (e.g. 'continuous no-till + cover crops since 2008', 'native tallgrass prairie, never plowed', 'long-term manure-amended cropland >70y').State-and-transition phase (optional)e.g. "Reference State 1.1"Altered reference?Check if this site has had land-use change or modified managementReference plant communityComma-separated key species (e.g. "blue grama, little bluestem, side oats grama").

3. Soil & land use

Soil texture binSoil seriesEcological Site ID (optional)Land use systemSample depth (inches)Sample year

4. Measured soil properties

Enter any values you have. Leave fields blank if not measured.

Soil pHOrganic matter (%)Soil organic carbon (%)Total N (%)CEC (meq/100g)Bulk density (g/cm³)Aggregate stability (%)Active C / POXC (ppm)Microbial biomass C (ppm)Nitrate-N (ppm)Phosphorus (ppm)Potassium (ppm)EC (dS/m)Infiltration rate (in/hr)

5. Source & citation

If this data has been published or is from a specific study, please link it.

Paper / source titleAuthorsYearJournalDOIURL

6. Submitter (optional)

Helps us follow up about your submission and credit your work. Not displayed publicly.

Your nameYour emailOrganizatione.g. USDA NRCS Nebraska, University of Nebraska-LincolnContributor code (optional)If a Soil Health Exchange admin gave you a contributor code, paste it here. Verified submissions are flagged for the reviewer as coming from a vetted source. Leave blank otherwise.Notes for the reviewer

By submitting, you agree your contribution may be displayed on the public Digital Soil Map after admin review. Submissions are saved as drafts and reviewed by Soil Health Exchange staff before publication.

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