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In subject area: Agricultural and Biological Sciences. 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. From: Encyclopedia of Soils in the Environment, 2005.
- Hydric Soil - an overview | ScienceDirect Topics
Hydric soil field indicators are layers of soil material...
- Hydric Soil - an overview | ScienceDirect Topics
It contains water, gases, complex minerals organic substances and micro-organisms. The dead remains of plants and animals are degraded by micro-organisms and after degradation a number of organic substances, generally called humus, are contributed to the soil. The mineral component of the soil is derived from the rocks.
A basic understanding of soil science, especially pedology (soil morphology and pedogenesis) and soil chemistry, is essential for making meaningful interpretations of archeological context and site-formation processes that account for the contemporary archeological record. This record, as expressed in surficial, buried, and stratified cultural deposits, is an imperfect and biased record of ...
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 .
terrestrial ecosystem. soil organism, any organism inhabiting the soil during part or all of its life. Soil organisms, which range in size from microscopic cells that digest decaying organic material to small mammals that live primarily on other soil organisms, play an important role in maintaining fertility, structure, drainage, and aeration ...
- The Editors of Encyclopaedia Britannica
Jul 29, 2015 · Macrofauna (> 2 mm) includes animals such as groundhogs, moles, earthworms, centipedes, ants, and termites; mesofauna (0.1–2.0 mm) includes springtails and mites; microfauna (< 0.1 mm) includes species such as rotifers, nematodes, and other single-celled organisms. Soil flora includes organisms as small as diatoms and algae up to the size of ...
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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 taxonomic classification of fine, smectitic, mesic Typic Argiustoll. Figure 4.2. Formative elements in the taxonomic classification of the Harney series.
