Description: Several different types of propagation structures are used to produce container seedlings. Fully-controlled environments, like this greenhouse, are popular in colder climates, and have permanent roof and sides and a full range of environmental control equipment. Fully-controlled greenhouses are sometimes used to produce more than one crop per year.
Image location: United States
Specimen in collection: No
Name: Thomas D. 'Tom' Landis
Organization: USDA Forest Service
Country: United States
Series:Introduction to Forest Nursery Management