Nursery Management for SS 1

Question 1

What is the primary definition of a nursery in crop production and horticulture?

Accepted Answer

A temporary or permanent place where young, delicate plants are raised under intensive care before transplanting.

Question 2

One key reason for establishing a nursery is the protection of delicate seedlings. From which environmental hazards are they primarily shielded?

Accepted Answer

Scorching sun, heavy rainfall, and strong winds.

Question 3

Which of the following is an advantage of using a nursery system for crop production?

Accepted Answer

High Germination Rate

Question 4

One significant disadvantage of establishing a nursery is the high initial cost. What does this primarily involve?

Accepted Answer

Constructing nursery structures, purchasing seed trays, poly-bags, and specialized soil media.

Question 5

Nurseries can be classified based on their duration of use. Which type is established for a short period, usually a single planting season, and then abandoned?

Accepted Answer

Temporary Nurseries

Question 6

Permanent nurseries are characterized by durable structures and long-term use. Which of the following crops are typically raised in permanent nurseries?

Accepted Answer

Cocoa, oil palm, citrus, rubber, and ornamental plants.

Question 7

Which physical setup for raising seedlings is highly suitable for tree crops and ornamental plants because it allows seedlings to be transported with their root systems completely intact, minimizing transplanting shock?

Accepted Answer

Polythene Bags (Poly-bags)

Question 8

In nursery management, what is the purpose of 'shading'?

Accepted Answer

To protect young seedlings from direct sunlight and heavy rain.

Question 9

What is the nursery management practice called when weak, diseased, or overcrowded seedlings are removed from a stand to reduce competition?

Accepted Answer

Thinning

Question 10

The transfer of young, delicate seedlings from crowded seedbeds or trays into individual containers, usually when they develop their first true leaves, is known as:

Accepted Answer

Pricking-out

Question 11

What is the purpose of 'hardening-off' seedlings before transplanting them to the main field?

Accepted Answer

To gradually expose seedlings to natural field conditions to toughen them and prepare them for harsher conditions.

Question 12

When constructing a shaded ground nursery, what is the recommended standard width for a nursery bed?

Accepted Answer

1 meter wide

Question 13

What is the initial step in the procedure for constructing a shaded ground nursery?

Accepted Answer

Site Clearing

Question 14

After digging the soil and mixing it with organic manure and river sand, to what height should the soil be raised to form a raised bed?

Accepted Answer

15 centimeters above the ground level

Question 15

During daily nursery management, how often should watering be done, and with what type of tool?

Accepted Answer

Twice daily (early morning and late evening) using a fine-rose watering can.

Question 16

Why is prompt weeding essential in a nursery?

Accepted Answer

Weeds compete with seedlings for nutrients, water, space, and light.

Question 17

What is a potential risk associated with high plant density and humidity in a nursery environment?

Accepted Answer

Rapid disease spread, such as damping-off.

Question 18

Which of the following materials is NOT typically required for constructing a basic shaded ground nursery?

Accepted Answer

Concrete mixer

Question 19

What is the benefit of selecting only the most vigorous, disease-free, and uniform seedlings from the nursery for transplanting?

Accepted Answer

It leads to a highly productive main field.

Question 20

Which nursery management practice involves applying dilute liquid fertilizers or well-decomposed organic manure?

Accepted Answer

Fertilizer Application

Strong work.

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