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E-book Guidelines for Soil Description
The main objective of research in soil science is the understanding of the nature, properties, dynamics and functions of the soil as part of landscapes and ecosystems. A basic requirement for attaining that objective is the availability of reliable information on soil morphology and other characteristics obtained through examination and description of the soil in the field. It is important that soil description be done thoroughly; it serves as the basis
for soil classification and site evaluation as well as interpretations on the genesis and environmental functions of the soil. A good soil description and the derived knowledge on the genesis of the soil are also powerful tools to guide, help explain and regulate costly laboratory work. It can also prevent errors in soil sampling. Figure 1 shows the role of soil description as an early step to classification, soil and site assessment, and suitability evaluation. Soils are affected by human activities, such as industrial, municipal and agriculture, that often result in soil degradation and loss or reduction in soil functions. In order to prevent soil degradation and to rehabilitate the potentials of degraded soils, reliable soil data are the most important prerequisite for the design of appropriate land-use systems and soil management practices as well as for a better understanding of the environment.
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