Soil - Wikipedia 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 distinguish dirt from soil by restricting the former term specifically to displaced soil
What is soil? - Mississippi State University Extension Service 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
DOE Explains. . . Soil - Department of Energy Soil is a complex mixture of organic material, minerals, air, and water It ranges from sandy, ocean-weathered beaches to soggy peat bogs and permafrost soils Soils are a vital component of terrestrial ecosystems, and provide habitat for a large diversity of plants, animals, and microorganisms
Understanding Soils | N. C. Cooperative Extension 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 Composition Across the U. S. - NASA Earth Observatory Soil is the sum of its parts The most basic ingredients include sand, silt, and clay of various particle sizes, as well as rock fragments, roots, live organisms, air, and water But depending on your location, the proportion of those ingredients can vary dramatically
Soil Composition and Types - Geology Science Understanding soil composition and types is essential for sustainable agriculture, land management, and environmental conservation This article delves deeper into the components of soil, the different soil types, their properties, and the factors influencing their formation
Soil Properties | California Soil Resource Lab - UC Davis 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 (SSURGO back-filled with STATSGO where SSURGO is not available) within 800m grid cells
Provided by the Soil Science Society of America What is Soil? There are many soil properties that help us describe and manage soils Some of the important physical properties are described below