About 2,730,000 results
Open links in new tab
  1. Soil - Wikipedia

    Soil is a product of several factors: the influence of climate, relief (elevation, orientation, and slope of terrain), organisms, and the soil's parent materials (original minerals) interacting over time. [4]

  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. What is Soil? | Natural Resources Conservation Service

    Soil consists of horizons near the Earth's surface that, in contrast to the underlying parent material, have been altered by the interactions of climate, relief, and living organisms over time.

  4. SOIL - Home

    In soil, many factors influence how much carbon is stored: the structure of soil particles, microbial activity, and the balance of carbon and nitrogen. Using small-scale simulations, we can …

  5. What Are Soils? | Learn Science at Scitable - Nature

    Just like a water body has water, fish, plants, and other parts, a soil body is an integrated system containing soil, rocks, roots, animals, and other parts.

  6. 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 …

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

    Aug 1, 2025 · Geology, climate, ecosystems, and human activities all affect soils. The Ecosystems Land Change Science Program examines long-term soil changes across the …

  8. 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.

  9. FAO SOILS PORTAL - Food and Agriculture Organization

    This symposium will serve as an international forum for stakeholders, encompassing policymakers, researchers, and practitioners, to explore the important role of comparable and …

  10. Soil Composition - Education

    Oct 19, 2023 · Soil contains air, water, and minerals as well as plant and animal matter, both living and dead. These soil components fall into two categories. In the first category are biotic …