NRCS maintains and provides leadership for amending Soil Taxonomy and for maintaining the soil series classification data. All soil surveys within the National Cooperative Soil Survey (NCSS) must …

The Keys to Soil Taxonomy provides the taxonomic keys necessary for the classification of soils in a form that can be used easily in the field. It also acquaints users of soil taxonomy with recent changes …

The Official Soil Series Description (OSD) database is a national collection of more than 20,000 detailed soil series descriptions. These descriptions, in a text format, serve as a national standard.

To ensure proper application of the criteria for classifying soils, the latest version of the “Keys to Soil Taxonomy” is needed. In addition, this guide omits all information needed to classify soils to the …

Esta definición es una ampliación de la versión previa de la Taxonomía de Suelos (Soil Survey Staff, 1975), para incluir a los suelos de las áreas de la Antártica donde la pedogénesis ocurre pero el …

A list of websites and documents to assist in the classification of soils and use of soil taxonomy.

The USDA-NRCS Soil Series Classification Database contains the taxonomic classification of each soil series identified in the United States, Territories, Commonwealths, and Island Nations served by …

NRCS delivers science-based soil information to help farmers, ranchers, foresters, and other land managers effectively manage, conserve, and appraise their most valuable investment — the soil.

Jul 31, 2019 · The site is updated and maintained online as the single authoritative source of soil survey information. Soil surveys can be used for general farm, local, and wider area planning.

This publication, Keys to Soil Taxonomy, 13th edition, 2022, incorporates the amendments approved by the regional and national conferences of the National Cooperative Soil Survey since publication of …