Last updated on August 30th, 2023 at 01:00 am
A2: The three main processes involved in soil formation are physical weathering, chemical weathering, and biological weathering.
Q3: What is a soil profile?
A3: A soil profile is the vertical section of soil from the ground surface to the parent rock. It consists of various layers called horizons.
Q4: What are the constituents of soil?
A4: Soil consists of both living and non-living matter. These constituents, including minerals, organic matter, water, and air, make the soil fertile.
Q5: What are the three main types of soil?
A5: The three main types of soil are sandy, clayey, and loamy.
Q6: What are the main characteristics of sandy, clayey, and loamy soils?
A6: Sandy soil has low water retention capacity and is not rich in humus. Clayey soil has excellent water retention capacity and sufficient air circulation. Loamy soil has a good mixture of sand, clay, and humus, and also has good water retention capacity and sufficient air circulation.
Q7: How does the percolation rate of water vary among different types of soil?
A7: The percolation rate of water is highest in sandy soil and least in clayey soil.
Q8: What types of crops are suitable for clay and loam soils?
A8: Clay and loam soils are suitable for growing crops such as wheat, gram, and paddy.
Q9: Which type of soil is ideal for growing cotton?
A9: Sandy loam soil is ideal for growing cotton.
Q10: What is soil moisture, and why is it important?
A10: Soil moisture refers to the water held in the soil. It is important for various crops, as it provides essential hydration and supports plant growth.
