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Essay On Geography Of Soil

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Maeve Upton

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C. ‘In order to understand the geography of soil all one needs is a good map of the solid geology.’

Abstract:

It would be naïve to assume that a good map of solid geology is the only resource needed to understand the geography of soils. The geography of soil does not depend solely on the solid geology of the biosphere and lithosphere. When one studies the geography of soil it is important to look at the properties of soils including the parent material which is usually the dominating underlying bedrock. However, one must take into account the factors that affect soil development and the processes in soils that can produce variations. For examples, climate, topography, time, biological agents such as animals and human interference. Pedology provides us with a soil classification system that can be used to determine types of soil but throughout history it has been
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They help us identify the parent material the soils contains. The Glossary of Geology (Bates and Jackson, 1980, p. 401) defines a mineral as "a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties."The most common minerals are silicon, aluminium, iron, calcium, sodium, potassium and magnesium. When rocks disintegrate soils, these mineral components become available to plants as nutrient which in turn encourage growth. Minerals are formed from weathering of the parent material which gives some bases to the statement however, is not fully conclusive. According to the Water Encyclopaedia on ‘Science and Issues’, “weathering is the alteration of rocks to more stable material from their exposure to the agents of air, water, and organic fluids. No rock is stable or immune to weathering. Many pathways and agents are involved in weathering, but most can be grouped into two main processes: mechanical and chemical

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