Integrated Greenhouse Systems for Mild Climates Climate Conditions,
Crop production in greenhouses is a growing industry, especially in mild climates, and is very important for the population as a source of income and clean, fresh food. Greenhouses create optimal climate conditions for crop growth and protect crops from o
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Christian von Zabeltitz
Integrated Greenhouse Systems for Mild Climates Climate Conditions, Design, Construction, Maintenance, Climate Control
Professor em. Dr.-Ing. Christian von Zabeltitz Leibniz University Hannover Faculty of Natural Science Institute for Biological Production System Section Biosystems and Horticultural Engineering Hellwiesen 3 30900 Wedemark Germany [email protected]
ISBN 978-3-642-14581-0 e-ISBN 978-3-642-14582-7 DOI 10.1007/978-3-642-14582-7 Springer Heidelberg Dordrecht London New York Library of Congress Control Number: 2010937857 # Springer-Verlag Berlin Heidelberg 2011 This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer. Violations are liable to prosecution under the German Copyright Law. The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Cover design: WMXDesign GmbH, Heidelberg, Germany Printed on acid-free paper Springer is part of Springer ScienceþBusiness Media (www.springer.com)
Preface
Greenhouse crop production in rural areas is an increasing industry in countries with mild climate conditions, even in tropical regions with appropriate temperatures throughout the year. It provides a major source of income even for small scale growers, and fresh food with good quality for the population. Conventional open-field cultivation is either not possible in some regions (arid or tropical zones) or faces a number of problems, which protected cultivation offers the possibility of resolving. The import of highly sophisticated greenhouse technology from industrialized countries can fail because the technology is not adapted to the local conditions and climate, and due to an insufficient capital return. Plastic film greenhouses predominate in regions with mild climate. Very often, they are designed on the principle of minimum capital input. The aim should be to design low-cost systems with high technological and economical efficiency. The contents of this book are the results of activities as researcher and teacher at the Leibniz University of Hannover (Germany), of consultancy missions in developing countries, and of the cooperation in a joint research project between the Asian Institute of Technology (AIT), the Leibniz University of Hannover and the Kasetsart University in Bangkok. The author worked for many years as consultant for appropriate greenhouse design in numerous tropical, subtropical and arid countrie
