Decision Support Tool

West Africa
Soil Information System

A comprehensive soil intelligence platform supporting evidence-based decisions for agriculture, land management, and fertilizer use across 16 West African nations and the Sahel.

Yamoussoukro SOC Burkina Faso clay content Mali pH < 5.5
Soil Map Explorer · West Africa
SOC
Clay
pH
N
Senegal Mali Burkina Niger Ghana Nigeria 10°N
Sample Inspection
#IV1062 · Ivory Coast
SOC1.4%
pH5.9
Clay19%
N
SOC Content (%)
0.21.02.54+
16
Countries
West Africa
25,300+
Soil Profiles
with full horizon data
75,600+
Lab Samples
physical & chemical
32
Raster Layers
SOC · Clay · pH · N · P · K
Apr 2024
Last Updated
Live
Interactive Decision Support Tool

Soil Map Explorer

Filter by country, depth, classification system, and soil property. Click any sample point to inspect full laboratory data and horizon profiles.

Platform Services

Tools for Soil Intelligence

Comprehensive tools for exploring, analyzing, and downloading West Africa soil data to support agricultural decisions and land management.

🗺
Map Explorer
View interactive soil maps with multi-layer support. Inspect sample points, filter by depth and soil property across all 16 countries.
Explore Maps →
⊟
Profile Viewer
Browse 25,300+ soil profiles with complete horizon data, laboratory results, and depth-specific property visualization.
View Profiles →
⬇
Download & API
Download GeoTIFF rasters, GeoJSON point samples, and CSV lab data. Full programmatic access via REST API and WMS/WCS services.
Access Data →
📊
Analytics & Advisories
Generate soil health reports, fertilizer recommendations, and land suitability assessments for crop planning and agricultural policy.
Run Analytics →
Open Data & API Access

Download, Integrate & Build

Access all WASIS datasets in standard geospatial formats. Integrate soil intelligence into your research tools, mobile field apps, or agricultural decision systems via REST API and OGC web services.

🗂
GeoTIFF
.tif
📍
GeoJSON
.geojson
📊
CSV
.csv
🗃
Shapefile
.shp
🔗
REST API
JSON
🗺
WMS / WCS
OGC
API Documentation

Request API Access

Fill out the form below to request OAuth2 credentials for programmatic API access.

§ REST API Example
# Fetch soil profiles by country GET https://api.wasis.org/v1/profiles ?country=GHA &property=SOC,pH,clay &depth=0-30 &format=geojson # Response { "type": "FeatureCollection", "count": 1842, "features": [...] }
§ Mobile & Field Tools
📱
New Survey
👁
View Data
🔄
Sync
§ Database Architecture
PostGIS DB
→
Data Store
→
User Mgmt
→
API Gateway
Developed with
Fertilizer & Soil Health Hub · W. Africa
CI
CILSS
IS
ISRIC
WA
WASCAL