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Soil science is the science dealing with soils as a natural resource on the surface of the Earth including soil formation, classification, and mapping; physical, chemical, biological, and fertility properties of soils; and these properties in relation to the use and management of the soils. Soils play multiple roles in the quality of life ...
with a segment of the landform. Soil scientists delineate these repeating patterns of landform segments, or natural bodies, on a map. By observing the soils and miscellaneous areas in the survey area and relating their position to specific segments of the landform, a soil scientist develops a concept, or model, of how they formed.
What are the soil types? To identify, understand, and manage soils, soil scientists have developed a soil classification or taxonomy system. Like the classification systems for plants and animals, the soil classification system contains several levels of detail, from the most general to the most specific.
The arrangement of these horizons in a soil is known as a soil profile. Soil scientists, who are also called pedologists, observe and describe soil profiles and soil horizons to classify and interpret the soil for various uses. Soil horizons differ in a number of easily seen soil properties such as color, texture, structure, and thickness.
Soil Taxonomy helps in extrapolating soil management research among similar soils around the world. Soil Taxonomy is a quantitative system based on soil properties that can be observed or measured, organized in a hierarchy based on six categories beginning with 12 broad soil orders and narrowing in specificity to more than 23,000 series. The ...
The pH scale ranges from 0-14. 7 is neutral. In general, plants like slightly acidic soil, or a pH of 6.5-7.0. This allows plants to access the largest range of nutrients in the soil. However, some plants thrive in soil that is more acidic, such as blueberries and azaleas. Some like more alkaline soils, like asparagus.
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Mar 19, 2008 · Published Online March 19, 2008. Last Edited December 16, 2013. Soil science is the science that deals with soils as a natural resource. Studies focus on soil formation, classification and mapping, and the physical, chemical and biological properties and fertility of soils as such and in relation to their management for crop production.
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