Soil Survey and Classification

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Questions and Answers

What factors influence the characteristics of soil?

Relief, water, and temperature effects.
Morphological properties and characteristics.
Climate, macro- and microorganisms, and parent material. (correct)
Genetic and environmental factors.

According to the Soil Science Society of America, what is soil?

The unconsolidated mineral or organic material on the immediate surface of the Earth that serves as a natural medium for the growth of land plants. (correct)
The unconsolidated mineral or organic matter on the surface of the Earth that has been subjected to and shows effects of genetic and environmental factors.
A product-soil differs from the material from which it is derived in many physical, chemical, biological, and morphological properties and characteristics.
The upper limit of soil is the boundary between soil and air, shallow water, live plants, or plant materials that have not begun to decompose.

How does a product-soil differ from its source material?

In physical, chemical, biological, and morphological properties and characteristics. (correct)
In relief, water, and temperature effects.
In the immediate surface of the Earth.
In genetic and environmental factors.

What defines the upper limit of soil?

<p>The boundary between soil and air, shallow water, live plants, or plant materials that have not begun to decompose. (B)</p> Signup and view all the answers

What is not considered soil?

<p>Areas without the presence of air, water, live plants, or plant materials that have not decomposed. (B)</p> Signup and view all the answers

Study Notes

Factors Influencing Soil Characteristics

Parent material, climate, topography, biotic factors, and time influence soil characteristics

Definition of Soil

According to the Soil Science Society of America, soil is a naturally occurring, dynamic, and heterogeneous mixture of mineral and organic components, as well as living organisms

Product-Soil vs. Source Material

A product-soil differs from its source material due to changes in its physical, chemical, and biological properties through pedogenesis (soil formation)

Upper Limit of Soil

The upper limit of soil is defined by the boundary between the soil and the atmospheric zone, where the influence of the atmosphere on soil properties is minimal

Exclusions from Soil

Living organisms, water, and ice are not considered soil

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Description

Test your knowledge on soil survey, classification, and land use with this quiz. Learn about the definition of soil as described by the Soil Science Society of America and explore its role as a natural medium for the growth of land plants.