soilDB Demo: Processing SSURGO Attribute Data with SDA_query()

April 26, 2012

(This article was first published on dylan's blog, and kindly contributed to R-bloggers)

Mapping near Paloma, CAMapping near Paloma, CA This image has nothing to do with the following content.

A quick example of how to use the USDA-NRCS soil data access query facility (SDA), via the soilDB package for R. The following code describes how to get component-level soils data for Yolo County (survey area CA113) from SDA and compute representative sub-order level classification for each map unit. This example requires an understanding of SQL, US Soil Taxonomy and the SSURGO database.

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