Agriculture Reference
In-Depth Information
Fig. 11.8
Commercial, free-standing equal span greenhouses, typical of the early 20th century.
(The Weathered Co.
1908
)
Fig. 11.9
Example of a conservatory, built for the New York Botanical Gardens by the Lord &
Burnham Company. (Lord & Burnham Co.
n.d.
)
gladiolus (
Gladiolus x hybridus
) (Nelson
2003
), while some cut flower crops re-
quiring higher temperature or are more susceptible to insect and disease are moved
into high tunnels or greenhouses (Ortiz et al.
2012
). Cut tropical foliage and flower-
ing plants such as the
Vanda, Oncidium, Cattleya
;
Anthurium
orchids) are grown
in Thailand, Hawaii, and the USA with the more heat-loving Mediterranean crops,
such as the protea and banksia, that both belong to the family Proteaceae, produced
in California USA, Israel, South Africa, India and Australia. High quality cut green-
