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Technical description of soil
researchgate.net
- Soil morphology is the branch of soil science dedicated to the technical description of soil, particularly physical properties including texture, color, structure, and consistence. Morphological evaluations of soil are typically performed in the field on a soil profile containing multiple horizons.
en.wikipedia.org/wiki/Soil_morphology
Soil morphology is the branch of soil science dedicated to the technical description of soil, [1] particularly physical properties including texture, color, structure, and consistence. Morphological evaluations of soil are typically performed in the field on a soil profile containing multiple horizons .
Soil morphology is defined as the branch of soil science that deals with the description, using standard terminology, of in situ spatial organization and physical properties of soil regardless of potential use.
Soil morphology focuses on standardizing descriptions of soil properties and features in the field. Although often qualitative and empirical, these descriptions aid in the interpretation of soil properties measured in the laboratory through chemical, biological and physical methods.
- Le 4.2 Simplified Key to The 12 Soil Orders
- Le 4.4 Formative Elements For Names of Great Groups and Their Connotations
- Activity 1: Practice Key to Soil Orders
- Activity 2: Structure of Soil Taxonomy
- Activity 3: Interpreting Taxonomy
- E 4.6. Clarion-Nicollet-Webster-Glenco Topo-Sequence Taxonomy.
- Activity 4: Practicing Soil Taxonomy Interpretations with State Soils of The Us
- Activity 5: Soil Survey Reports
The formative elements are used in the names of suborders and lower taxonomic levels. Table courtesy of R. Weil. Many other formative elements can specify unique soil properties at each taxonomic level. Each formative element has a connotation for a given soil. These connotations of the formative elements used for suborders and great groups are lis...
Table adapted from King et al. (2003). A complete taxonomic name communicates a great deal of information about the soil if we understand each part of the name. As an example of the quantitative information revealed in a taxonomic name, the following classification name will be dissected by category. Consider, for example, the Harney soil, with a t...
Now that you have studied the characteristics of the 12 soil orders, enter the most appropriate soil order name in each rectangle.
To illustrate the structure of Soil Taxonomy, separate a complete taxonomic name into the six categories. Follow the example of the Harney silt loam in figure 4.2.
As a further exercise in understanding taxonomic names, complete the following questions. Use the list of taxonomic names of soils representative of Mollisols from the prairie pothole region of Iowa below to answer these questions. The Des Moines lobe of the Wisconsin glaciation covered north-central Iowa with a deep layer of glacial deposits, and ...
Table courtesy of C. J. Moorberg. Notice that the wetter the drainage class (that is, the shallower the depth to the seasonal high water table), the higher the “aqu” formative element becomes in the overall classification. That is because Soil Taxonomyprioritizes soil management considerations. The depth to the seasonal high water table would be a ...
State soils have been selected for all 50 states and three territories in the U.S. The group of soils represents a diverse sample of soil conditions and classifications. It serves as an interesting focus for a little practice at deciphering and understanding Soil Taxonomy. Use the attached list of state soils in Table 4.7 along with Table 4.2, Tabl...
As an introduction to soil reports, look through a typical printed county soil survey report; take note of the manual’s organization and the extensive content. The report begins with some background information on the county, along with an overview of how the survey was conducted. The county soil conditions are described, and the soil mapping units...
- Colby J. Moorberg, David A. Crouse
- 2017
Sep 10, 2024 · By describing basic soil morphology, such as soil color and texture, combined with the soils expected to be present based on work by the soil survey, the soil series that are present can be accurately determined.
Soil morphology is all that can be seen and felt about a soil. It includes not only “what is there” but also how it is “put together” – its architecture. To many, the main components of soil morphology include horizonation, texture, color, redoximorphic features, porosity, structure, and consistence, i.e., the look and feel of the soil. Type.
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Soil Morphology and Land Use. Criteria that rate soils for a particular use are important to land use planning and land management decisions. Guidelines based on these criteria facilitate uniform and consistent land evaluations. Soil-based criteria can be developed for nearly any land use. To prepare a soil rating scheme, the following are ...
