HORTICULTURE

Detailed explanation-1: -The seedlings are protected from cold, wind, storm, rain and frost. Due to modified conditions, there is better germination and plant growth. Greenhouse or poly-house: It is a framed structure covered by poly-film or shade-net so that the plants can grow under partially or completely modified environment.

Detailed explanation-2: -It is relatively costlier to maintain as compare to permanent nursery. b) Permanent Nursery: It is a nursery, meant for supplying nursery stock for a long time on permanent basis. The duration of service life of permanent nursery is long and it is maintained till seedling can be raised in it at reasonable cost.

Detailed explanation-3: -Nurseries are of two types, i.e.: Temporary nurseries: These are established in or near the planting site. Once the seedlings for planting are raised, the nursery becomes part of the planted site. There are sometimes called “flying nurseries” (Figure 3.1).