3 links
Plant Production
edis.ifas.ufl.edu
Collection of articles on plant production, equipment, and nursery practices, with illustrations. University of Florida IFAS Extension.
Texas A&M: Nursery/Floral Crops
aggie-horticulture.tamu.edu
Provides information on topics such as different types of structures, heating requirements, irrigation and fertilisation requirements for plants growing in greenhouses.
Weed Control in Nursery Crops
oregonstate.edu
Discussions on weed control, weed identification, and herbicide management in nursery crops. From Oregon State University.