These guidelines, based on the latest internationally accepted systems and classifications, provide a complete procedure for soil description and for collecting field data.

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

A manual on compost making.

A monthly journal devoted to problems in soil physics, soil chemistry and soil biology.

A monthly journal devoted to problems in soil physics, soil chemistry and soil biology.