Question

Take three soil samples of calyey , sandy and loamy and do the percolation activity(for 1 hour) .
Find the:
1) Percolation rate
2)Water absorbed by each of the three types of soil
3)Water drained by each of the three types of soil

Also answer in which Indian states are each of the types of soil found
(Class 7 Science Ch 9 Soil CBSE, NCERT)

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Answer 1

Answer:

1. 1Sandy soil is quite loose, so the percolation rate of water is highest in sandy soil.
2. Clayey soil is very compact. So, the percolation rate of water is lowest in the clayey soil.
3. Loam is soil made with a balance of the three main types of soil: sand, silt, and clay soil. As a general rule, loam soil should consist of equal parts of all three soil types.

This combination of soil types creates the perfect soil texture for plant growth.

The sandy soil (having the highest percolation rate) allows the rainwater to reach a well faster and in greater amount.

1. Silty soils, including loam, have moderate percolation speeds, ranging from 0.1 to 1 inch per hour.
2. Sandy soils usually have very high percolation rates, measured in the range of 1 to 8 inches or more per hour.
3. Clay soils have notoriously slow percolation speeds of 0.1 inch or less per hour.