About 2,420,000 results
Open links in new tab
  1. 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 …

  2. Soil | Definition, Importance, Types, Erosion, Composition, & Facts ...

    Oct 14, 2025 · Soil is one of the principal substrata of life on Earth, serving as a reservoir of water and nutrients, as a medium for the filtration and breakdown of injurious wastes, and as a …

  3. Soil - Riverside-Corona Resource Conservation District

    Soil is usually a black or dark brown material, consisting of a complex mixture of minerals, clay, rock particles, organic matter, gases, liquids, and countless organisms that together support life.

  4. What is Soil? - Natural Resources Conservation Service

    What is Soil? Soils perform vital functions to sustain plant and animal life, regulate water flow, filter and buffer pollutants, cycle nutrients, and provide physical stability and sort. This …

  5. What is a Soil? - The Institute for Environmental Research and …

    Jun 17, 2025 · Soil erosion is the removal of topsoil by wind or water. It is a major environmental problem, leading to loss of fertile land, water pollution, and sedimentation of waterways.

  6. Soils | U.S. Geological Survey - USGS.gov

    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 …

  7. Soil Composition and Types - Geology Science

    Oct 31, 2024 · Understanding soil composition and types is essential for sustainable agriculture, land management, and environmental conservation. This article delves deeper into the …

  8. What is Soil? There are many soil properties that help us describe and manage soils. Some of the important physical properties are described below.

  9. What is Soil? - Smithsonian Institution

    Plants grow in and from soils, and plants—directly or indirectly—feed almost all life on Earth. Soil-dwellers such as bacteria and fungi recycle once-living organisms into nutrients and soil …

  10. Learn about Soil Types | NESDIS | National Environmental Satellite ...

    Soil is a complex combination of minerals, organic matter, water, and air. Soil is an interface between Earth systems which means it forms between where the geologic (rocks and …