What is the need to increase food productivity? How can it be achieved?

3

(a)

How do plants get their nutrients?

3

(a)

Define manures. What are its three different kinds? State two limitations of manures.

3

(a)

Differentiate between manure and fertilizers.

3

(a)

What do you understand by soil fertility? Mention any four ways by which soil fertility can be replenished or gained.

3

(a)

List six facilities that must be provided to cattle to ensure their good health and production of clean milk.

3

(a)

Mention any four desirable traits for which new varieties are produced?

3

(a)

Mention the management practices that are common between dairy and poultry farming.

3

(a)

What management practices are common in dairy and poultry farming?

3

(a)

What is pasturage and how is it related to honey production?

3

(a)

Define crop rotation. How are crops selected for crop rotation?

4

(a)

Describe the factors responsible for grain loss during storage. Discuss the various measures for safe storage of grain.

4

(a)

What factors may be responsible for losses of grains during storage? Give one example of both. Give one method/preventive measure to control such losses.

4

(a)

What prevantive and control measures should be taken before storage of grains?

4

(a)

In large part of india most farmers use wells and tube wells for irrigation .There was a time when they used to dig very low to draw ground water.Now they have to dig more deep wells to tap water from the deeper strata and then lift water by pumps for iirrigation This is due to lowering of ground water level.Ground water level.Ground water is the rainwater that seeps through the soil and collects over non-porus rocks.
Think over the information given above and answer the following questions.
1. Why does ground water level is decreasing?
2. How can we recharge ground water level?
3. What can we do in this regard?

4

(a)