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- It consists of inorganic particles and organic matter. Soil provides the structural support for plants used in agriculture and is also their source of water and nutrients.
agriculture.vic.gov.au/farm-management/soil/what-is-soilWhat is soil? | Soil | Farm management - Agriculture Victoria
Nov 8, 2024 · This article covers the structure, composition, and classification of soils and how these factors affect soil’s role in the global ecosystem. In addition, the two most important phenomena that degrade soils, erosion and pollution, are discussed.
- Garrison Sposito
Soil is the loose surface material that covers most land. It consists of inorganic particles and organic matter. Soil provides the structural support for plants used in agriculture and is also their source of water and nutrients. Soils vary greatly in their chemical and physical properties.
- Humus
- High organic matter content
3 days ago · Topsoil and subsoil are composed of the same basic materials, though not in equal proportions. There are five core ingredients to soil: minerals, water, air, organic materials, and living organisms. It takes thousands of years for all of these components to come together and form the fertile ground that nurtures us.
soil - (i) The unconsolidated mineral or organic material on the immediate surface of the Earth that serves as a natural medium for the growth of land plants.
Oct 22, 2024 · Soil is responsible for plant growth: In soil, plants set roots, which draw the water and nutrients they need to grow. The roots anchor them in place, and the soil provides protection from toxins. Soil regulates the water supply: Soil stores water that’s used by plants, and allows water to seep down into the groundwater.
Plants obtain inorganic elements from the soil, which serves as a natural medium for land plants. Soil is the outer loose layer that covers the surface of Earth. Soil quality is a major determinant, along with climate, of plant distribution and growth.
In short, soil is a mixture of minerals, dead and living organisms (organic materials), air, and water. These four ingredients react with one another in amazing ways, making soil one of our planet’s most dynamic and important natural resources. Soil is used by people in numerous ways.
