Which type of seed bed is prepared mostly during winter season?

· Correct answer: (c) Sunken nursery bed
· Sunken nursery beds are commonly prepared during the winter season as they help conserve moisture and maintain soil temperature for seedling growth.
Other options:
· (a) Raised nursery bed: Used mostly in warmer climates, not specific to winter.
· (b) Flat nursery bed: Also used in various seasons but not specific to winter.
· (d) All of the above: Not all types are primarily used in winter; sunken is the most suitable for cold seasons.