United States Department of Agriculture
Natural Resources Conservation Service
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Welcome to the NRCS Soils Website.

Helping People Understand Soils

Soils is part of the National Cooperative Soil Survey, an effort of Federal and State agencies, universities, and professional societies to deliver science-based soil information.

Soil survey historic photo.

2010 Soils Planner is available!

The theme of the 2010 Soils Planner is “Benchmarks in the History of the National Cooperative Soil Survey”. The Planner focuses on the history of the National Cooperative Soil Survey and its important contributions to conservation on the land. Order the Planner from NRCS Landcare Publications, call 888-LANDCARE (888-526-3227), or email landcare@usda.gov.


Image of NASIS User Guide cover.

NASIS 6.0 Documentation

The User Guide and Structure Diagrams are now available for NASIS version 6.0. The NASIS 6 User Guide provides supporting documentation on the use of the NASIS 6.0 software. The document provides explanations in the changes from the previous NASIS versions (Unix and Informix) to the new NASIS 6.0 (.Net and SQL Server) software and database. The NASIS 6.0 User Guide explains the new software graphical user interface and database changes. It provides guidance on the use of the software and population issues new to NASIS 6.0. This User Guide will be a dynamic document that will continue to add additional chapters as needed.

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Cover of Soil Survey Field and Laboratory Methods Manual

Soil Survey Field and Laboratory Methods Manual (SSIR 51)

The purpose of this manual is to (1) serve as a standard reference in the description of site and soils sampling strategies and assessment techniques and (2) provide detailed method descriptions for the collection and analysis of soil, biological, water, and plant samples in the field or field-office setting. This manual is intended to be a tool in the development of a long-term analytical database by which research and other investigative studies can be more directionally applied to onsite technologies to improve and enhance land productivity and sustainability.

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Photo of soil scientists being trained in the field.

NCSS Training Website

A website has been developed to assist National Cooperative Soil Survey (NCSS) soil scientists and their supervisors in identifying training opportunities and resources. Links are provided for schedules, course descriptions, job aids to supplement training, and other helpful topics. GIS-related training includes: (1) GIS fundamentals for all soil scientists; (2) a recommended sequence of GIS-related training, especially for newly hired soil scientists; and (3) training for employees of all soil survey-related offices.

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The Natural Resources Conservation Service provides leadership in a partnership effort to help people conserve, maintain, and improve our natural resources and environment.

Last Modified: 01/29/2010