Soil Salt Formation in Dry Areas
In dry areas, water present beneath the soil surface can move upwards towards the ground level. This process occurs through capillary action, similar to how water rises in a narrow tube.
As the water evaporates from the surface, the dissolved salts and minerals it carries are left behind. Over time, repeated cycles of this process cause these accumulated salts to form a distinct, cohesive, and often impenetrable layer within the soil.
Identifying the Hard Salt Layer
This specific type of hard layer formed by the accumulation of salts due to capillary action and evaporation in dry or arid environments is known as hardpans.
Let's look at why the other options are incorrect:
- Pedalfer: This soil type is characterized by the accumulation of iron and aluminum oxides and is typically found in humid regions, not dry areas.
- Laterite: Laterite soils are rich in iron and aluminum and form in hot, wet tropical climates, distinct from the dry conditions described.
- Granite: Granite is an igneous rock, not a soil layer formed by water and salt deposition.
Therefore, the hard layer formed by salts left behind from capillary action in dry areas is called hardpans.
Similar Questions
- When we travel across the countryside, we see red soils in many regions. What is the reason for its colour?
- Which soil is the largest available and the most intensively cultivated soil in India?
- Which among the following is the process of covering the soil/ground to create more favourable conditions for plant growth, development and efficient crop production?
- Which type of soil is mostly found in eastern coast of India?
- In which soil does cotton grow best?
- Which of the following statements is correct about black soil?
Which type of soil is most suitable for cotton cultivation in India?
- Which of the following soil types is rich in soil nutrients such as calcium carbonate, magnesium, potash and lime?
- Black soil, found in the Deccan Traps is considered highly suitable for the cultivation of _____ crops.
- The presence of which of the following soils in the hilly areas of South India makes the region suitable for tea and coffee cultivation?
Important Questions from Soils
The black cotton soil of India has been formed due to the weathering of
Fertile riverine alluvial soil is best suited for producing ________.
The agricultural practice followed after preparation of the soil is:
What is the character of the black soil’s slow absorption and loss of moisture, which in turn retains the moisture for a very long time called?
Which of the following soil is known as Usara Soil?
