Internet links and current news on all aspects of soil and hydrologic sciences.
Research and extension activities in soil fertility and water management, with the objective of increasing nutrient use efficiency while minimizing the impact to the environment.
USDA organization with mission to develop, evaluate, and promote management practices that enhance surface and ground water quality while conserving soil and water resources. Site has software, selected publications, staff directory, and information on current research.
Extensive collection of on-line information on soil survey activities, institutions, datasets, research, and teaching materials world-wide.
Educative information about what soil is, how it is formed and how it is lost. Focus on soil conservation and soil ecology.
This is the World Data Center for Soils. Responsible for collecting, archiving, and distributing data and research information.
Weed populations change in response to agricultural practices. The influence of weeds on soils and their use as indicators is described. Many tables and literature for further research.
Describes the biological and chemical processes of soil formation in simple terms.
Online discussion of soil related issues. Topics range from amateur to specialist.
An educational program designed to teach the importance of soil, types of soil, erosion processes, and soil conservation principles. Description of kits and teacher material available.