how are well-developed soils similar to young soils? how are they different?
how are well developed soils similar to young soils? how are they different?
plz help me
This site may help you.
http://www.uwgb.edu/dutchs/EarthSC202Notes/ROCKCYCL.HTM
natural organic
To determine how well-developed soils are similar to young soils and how they differ, we first need to understand what characterizes the two types of soils.
Similarities:
1. Parent Material: Both well-developed soils and young soils originate from a parent material, which refers to the rock or sediment from which the soil is derived. This parent material serves as the foundation for soil formation.
2. Soil Horizons: Both types of soils typically possess soil horizons, which are distinct layers that form as a result of soil development. These horizons are instrumental in determining the properties and characteristics of the soil.
3. Biological Activity: Biological processes, such as the decay of organic matter and the actions of soil organisms, play a role in both well-developed and young soils. These processes contribute to nutrient cycling, organic matter accumulation, and overall soil fertility.
Differences:
1. Time: The most significant difference between well-developed soils and young soils is the length of time over which they have developed. Well-developed soils have undergone a more extended period of weathering, transformation, and interaction with the environment, resulting in greater maturity and complexity. Young soils, on the other hand, have had a shorter development time and are generally less mature and less modified.
2. Soil Profile: Well-developed soils tend to have a more defined soil profile with distinct and well-differentiated horizons. These horizons (such as topsoil, subsoil, and parent material) are more pronounced, indicating a longer period of soil formation. In contrast, young soils may have less distinct horizons or may be less developed, lacking the layering and complexity observed in well-developed soils.
3. Nutrient Content: Due to longer weathering and leaching periods, well-developed soils are often more nutrient-rich and capable of supporting a diverse range of plants. Young soils, being less weathered, may exhibit lower nutrient levels and may require amendments or an extended period of nutrient accumulation to reach the fertility levels seen in well-developed soils.
In conclusion, well-developed soils and young soils share similarities in terms of their origin from a parent material, the presence of soil horizons, and biological activity. However, their key differences lie in the time of development, the complexity of soil profiles, and the nutrient content. Soil scientists examine these aspects to determine the level of soil maturity and understand the capabilities and limitations of different soils.