Compare manure and fertilizer in three points.

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)

What are advantages of mixed cropping?

3

(a)

Explain the objectives of mixed cropping. How are crops selected for mixed cropping?

3

(a)

What are the three steps commonly used for the genetic improvement of various plants?

3

(a)

Give any four methods for pest control.

3

(a)

Enlist various methods of weed control.

3

(a)

What are the three categories of cows?

3

(a)

What are the three important breeds of buffaloes of our country with high yield of milk? Write their specialities.

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 are the differences between broilers and layers and in their management?

3

(a)

What are the food habits of 5 species used in composite fish culture?

3

(a)

List the steps involved in fish seed production by induced breeding technique.

3

(a)