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General Considerations - Florida Greenhouse Vegetable Production Handbook, Vol 2
http://edis.ifas.ufl.edu/ ( Publisher's URL )
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Permanent Link: http://ufdc.ufl.edu/IR00001682/00001
 Material Information
Title: General Considerations - Florida Greenhouse Vegetable Production Handbook, Vol 2
Physical Description: Fact Sheet
Creator: Jones, Pierce H.
Publisher: University of Florida Cooperative Extension Service, Institute of Food and Agriculture Sciences, EDIS
Place of Publication: Gainesville, Fla.
Publication Date: 2001
 Notes
Acquisition: Collected for University of Florida's Institutional Repository by the UFIR Self-Submittal tool. Submitted by Melanie Mercer.
Publication Status: Published
General Note: "University of Florida. Original publication date December 1990. Revised January 2001. Reviewed February 2008."
General Note: "HS774"
 Record Information
Source Institution: University of Florida Institutional Repository
Holding Location: University of Florida
Rights Management: All rights reserved by the submitter.
System ID: IR00001682:00001

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HS774 General Considerations Florida Greenhouse Vegetable Production Handbook, Vol 21 P. H. Jones2 1. This document is HS774, one of a series of the Horticultural Sciences Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Original publication date December 1990. Revised January 2001. Reviewed February 2008. Visit the EDIS Web Site at http://edis.ifas.ufl.edu. 2. P.H. Jones, professor, Agricultural and Biological Engineering Department, Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, 32611. The Florida Greenhouse Vegetable Production Handbook is edited by George Hochmuth, professor of Horticultural Sciences and Center Director, North Florida Research and Education Center and Robert Hochmuth, extension agent IV, North Florida Research and Education Center Suwannee Valley, Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611. The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. U.S. Department of Agriculture, Cooperative Extension Service, University of Florida, IFAS, Florida A. & M. University Cooperative Extension Program, and Boards of County Commissioners Cooperating. Larry Arrington, Dean Historically, greenhouse vegetable production has been located in northern latitudes. In North America, most commercial producers are located in the northern United States and in Canada where growers raise lettuce, tomatoes, cucumbers, and other crops primarily for spring and summer markets. Most of the greenhouses are located near their markets and emphasize production of very high quality, fresh produce. The cost of heating and low light levels combine to make spring production an expensive operation in northern latitudes where the winters are long and cold. In contrast, Florida winters are mild and sunlight can be abundant, a fact that requires Florida greenhouse operators to ventilate for cooling as often as they heat. Because of its mild climate, production in Florida greenhouses takes place primarily during the winter and spring (Fig.1). Summer production is difficult because of high temperatures and high humidities, so vegetable crops are produced in Florida greenhouses primarily from September through May. Attempts have been made to produce year-round, but summertime ventilating costs are high while crop yields and quality are reduced. In spite of these difficulties, some growers feel that some good market potentials exist for summer greenhouse crops and they are willing to deal with the problems associated with summer production. Because most greenhouse vegetable production has been in the North, much of the information from Extension, researchers, and greenhouse equipment manufacturers has been geared to northern climatic conditions. For instance, there is an abundance of information on heating systems with topics ranging from thermal screens for energy conservation to the design and operation of heating systems to handle snow loads. In contrast, there is little information on evaporative cooling systems, which are the mainstay of environmental control systems in the Florida vegetable industry. The purpose of this publication is to give the grower the background information needed to make reasonable design and installation

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General Considerations Florida Greenhouse Vegetable Production Handbook, Vol 2 2 Figure 1. Greenhouse under construction. decisions for greenhouse vegetable production in Florida. More Information For more information on greenhouse crop production, please visit our website at http://nfrec-sv.ifas.ufl.edu. For the other chapters in the Greenhouse Vegetable Production Handbook, see the documents listed below: Florida Greenhouse Vegetable Production Handbook, Vol 1 Introduction, HS 766 Financial Considerations, HS767 Pre-Construction Considerations, HS768 Crop Production, HS769 Considerations for Managing Greenhouse Pests, HS770 Harvest and Handling Considerations, HS771 Marketing Considerations, HS772 Summary, HS773 Florida Greenhouse Vegetable Production Handbook, Vol 2 General Considerations, HS774 Site Selection, HS775 Physical Greenhouse Design Considerations, HS776 Production Systems, HS777 Greenhouse Environmental Design Considerations, HS778 Environmental Controls, HS779 Materials Handling, HS780 Other Design Information Resources, HS781 Florida Greenhouse Vegetable Production Handbook, Vol 3 Preface, HS783 General Aspects of Plant Growth, HS784 Production Systems, HS785 Irrigation of Greenhouse Vegetables, HS786 Fertilizer Management for Greenhouse Vegetables, HS787 Production of Greenhouse Tomatoes, HS788 Generalized Sequence of Operations for Tomato Culture, HS789 Greenhouse Cucumber Production, HS790 Alternative Greenhouse Crops, HS791 Operational Considerations for Harvest, HS792

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General Considerations Florida Greenhouse Vegetable Production Handbook, Vol 2 3 Enterprise Budget and Cash Flow for Greenhouse Tomato Production, HS793 Vegetable Disease Recognition and Control, HS797 Vegetable Insect Identification and Control, HS798