Page 329 - New Medley 4 Semester 1

C. Fill in the blanks.

1. Red soil is formed from the rocks.

2. Black soil is locally called soil.

3. The soil formed by deposits in flood plains is called soil.

4. The decayed matter in the soil is called .

5. Desert soil has a very small amount of .

D. Answer these questions.
1. Where is alluvial soil found?

2. How important is alluvial soil for food production?

3. How can we conserve soil?

4. Compare red and laterite soils.

Think and Answer • Critical thinking

E. If the farmers of Rajasthan want to produce rice in their fields, what steps should they
take? Write the points.

Let Us Do • Information literacy

F. Survey

Visit any field and talk to the farmers. Ask them the following questions.

1. Which crops do they like to grow?

2. What kind of manure/fertilizer do they use?

3. What do they do to enhance the fertility of their field?
4. Do they practise crop rotation?

5. Which crop gives the highest yield?

Value Corner • Critical thinking

G. Tick () the bad habit.

(a) Rohan plants trees on the edge of ponds to check soil erosion.

(b) Rohit throws soil into ponds and drains.

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