Field Book for Describing & Sampling Soils — Version 4.0 (NRCS): U.S. Department of Agriculture Natural Resources Conservation Service Paperback – October 12, 2025

Field Book for Describing & Sampling Soils — Version 4.0 (NRCS)The Field Book for Describing & Sampling Soils (v4.0) is the official U.S. Department of Agriculture NRCS guide for consistent, defensible soil description and sampling in the field. Updated for Version 4.0, it brings together the standards, terminology, and forms used by soil scientists, agronomists, environmental consultants, conservation planners, and educators across the United States.What this field book coversSite & profile description: horizons, color, texture, structure, consistence, redoximorphic featuresSoil taxonomy links: diagnostic features, key terms, and reference notesSampling guidance: field procedures, sample handling, QA/QC remindersLandform & hydrology notes: landscape position, drainage, runoff, wetness indicatorsTables & reference data: Munsell color guidance (references), structure grades, texture by feel, rock fragments, root/rubble classesStandard abbreviations & forms: checklists and shorthand that speed field notesWho it’s forSoil scientists and survey crews (NRCS, consultants, contractors, utilities)Environmental professionals doing site characterization, wetlands, and remediation workAgronomy & conservation planners (NRCS, conservation districts)University programs in soils, agronomy, forestry, geology, environmental scienceWhy a printed edition mattersIn the field, nothing beats a durable, lay-flat reference. This edition is formatted for 5"×8″ B/W use with clear headings, tables, and space for note-taking—ideal for truck dashboards, clipboards, and tailgates.Version: 4.0Publisher: USDA NRCS (compiled and formatted for print) Read more