The correct answer is Option (2)- Cattle grazing
Cattle grazing is NOT responsible for soil formation. Here's an explanation:
- Topography: The physical features of the landscape, such as slope, aspect, and elevation, influence the way water moves, accumulates, and drains. These topographic factors contribute to soil formation by affecting water drainage, erosion, and the distribution of organic material.
- Cattle Grazing: While cattle grazing can impact the vegetation cover and soil structure in localized areas, it is not a primary factor in soil formation. Grazing may lead to soil compaction, erosion, and changes in plant cover, but these are more related to soil degradation than formation.
- Parent Material: The geological material from which soils are formed is known as parent material. This material undergoes weathering and decomposition processes over time, contributing to the development of soils. The type of parent material influences the characteristics of the resulting soil.
- Biotic Agents: Biotic factors, including plants, microorganisms, and animals, contribute to the organic content of the soil through the decomposition of plant material and the addition of organic matter. The activity of roots, microbes, and other organisms plays a role in nutrient cycling and soil structure.
Significance:
- Soil formation is a dynamic process influenced by a combination of factors, including climate, topography, parent material, organisms, and time (weathering processes over time).
- Human activities, including agricultural practices such as grazing, can impact soil quality and health but are not considered primary factors in the initial formation of soils.
|
