About 2,590,000 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 ...

    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.

  3. 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 …

  4. What Is soil? - British Society of Soil Science

    What is soil made of? Soil is a mix of mineral matter (weathered rock), air, water and organic matter. The balance of these components is important, especially for organic matter. It may be …

  5. Soil Composition and Types - Geology Science

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

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

    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.

  7. 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.

  8. Soil Basics | Soil | Illinois Extension | UIUC

    Soil is the foundation on which we grow, live, and work. Soil is a natural resource on this planet as critical as clean water and air and is the medium to anchor plant roots for plants to obtain …

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

  10. 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 …