Manuals and Handbooks

The National NRCS eDirectives web site is available for viewing the latest releases of many National NRCS manuals, handbooks, and other directives in their entirety.

To further assist in the planning and design of conservation practices, the following guidance documents have been listed along with any state supplements in an easy to use side-by-side format.

Engineering Field Handbook

Entire contents of the National Engineering Field Handbook, and all Oklahoma developed state supplements.

Irrigation Guide

Entire contents of the National Irrigation Guide, and all Oklahoma developed state supplements.

National Engineering Manual

Entire contents of the National Engineering Manual, and all Oklahoma developed state supplements.

National Operation & Maintenance Manual

Entire contents of the National Operation & Maintenance Manual, and all Oklahoma developed state supplements.

National Planning Procedures Handbook

Entire contents of the National Planning Procedures Handbook, and all Oklahoma developed state supplements.

National Range and Pasture Handbook

Entire contents of the National Range and Pasture Handbook, and all Oklahoma developed state supplements.

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