Soil, also commonly referred to as earth, is a mixture of organic matter, minerals, gases, water, and organisms that together support the life of plants and soil organisms. Some scientific definitions …

Nov 23, 2025 · The evolution of soils and their properties is called soil formation, and according to pedologists, five fundamental soil formation processes influence soil properties.

Jul 31, 2019 · Web Soil Survey (WSS) provides soil data and information produced by the National Cooperative Soil Survey. It is operated by the USDA Natural Resources Conservation Service …

Nov 4, 2024 · Understanding soil composition and types is essential for sustainable agriculture, land management, and environmental conservation. This article delves deeper into the components of …

Aug 1, 2025 · Soils are the foundation of terrestrial systems, storing water and nutrients that support forests, crops, and human societies. Geology, climate, ecosystems, and human activities all affect soils.

Soil scientists define soil as a living, dynamic, resource at the surface of the earth. Soil is made up of four different components – minerals, organic matter (both living and dead), water, and air.

Soil is a living, dynamic resource that supports plant life. It is made up of different size mineral particles (sand, silt, and clay), organic matter, and numerous species of living organisms.

This interactive map allows you to explore a variety of soil properties throughout the continental United States. The data shown here were obtained by aggregating current USDA-NCSS soil survey data …

In this article readers are introduced to the many facets of soils - their unique characteristics and diversity, the ecosystem services that soils provide, and their use and misuse. Soils are...

Through soil science we explore the nature of soil and its interactions with water, air, and biological resources to create a multi-layered combination of natural and anthropogenic landscapes.