Soils are affected by human activities, such as industrial, municipal and agriculture, that often result in soil degradation and loss. In order to prevent soil

A revised guide to the study and of soil and regolith thin sections A specialized system of terms and concepts must be used to accurately and effectively distin

Guidelines for Surveying Soil and Land Resources promotes the development and implementation of consistent methods and standards for conducting soil and land re

This publication is a revised and updated version of World Soil Resources Reports No. 84 and 103 and presents the international soil classification system. Ever

Developments in soil classification have accompanied parallel progress in our understanding of the soil system. However the theories behind the classifications