Manual for judging Oregon soils

Abstract

Covers soil basics such as soil formation, horizons, properties (including textural classes), profiles, site characteristics and evaluation, and the influences of soil characteristics on management decisions. Provides interpretation guides for permeability, water and wind erosion, drainage feasibility, irrigation suitability, most intensive crop, erosion control practice, and septic tank drainfields. Includes information on how to set up and run a soil judging contest, camera-ready master sheets for soil judging scorecards and interpretation guides, a list of both the old and revised nomenclature for soil horizons, and a glossary of terms. Contains 34 figures and 16 color plates of soil profiles.