QGIS Plugin 'Curve Number Generator' has multiple algorithms to generate the curve number layer for any area of interest using different datasets.

Soil Data Access Web Services

Python package enabling an open source gSSURGO workflow

Modeling impact of soil carbon on US crop yield variability

user driven SSURGO properties and interpretations

CEAP Grazing Lands

Soil Data Access is the name of a suite of web services and applications whose purpose is to meet requirements for requesting and delivering soil survey spatial and tabular data that are not being met by the current Web Soil Survey and Geospatial Data Gateway websites.

The Soil Data Development Tools for ArcGIS™ contain a suite of ArcGIS tools used to process and manage Soil Survey Geographic Database (SSURGO) datasets. It includes the same toolset used by USDA-NRCS to create and publish the gSSURGO databases each year. Other tools for creating soil maps and reports are also included. See the Development User …

How can we get an accurate estimate of carbon stocks across a landscape with minimal ground truth data?