ISHS Acta Horticulturae 312: European Seminar New Technologies for the Rational Use of Energy in Greenhouse Horticulture in Northern Europe
CURRENT STATE OF TECHNOLOGY AND INTRODUCTION TO INNOVATION IN GREENHOUSE HORTICULTURE |
| Author: | Chr. von Zabeltitz |
| Abstract:
The fossil energy resources are limited in the world. The combustion of fossil fuels increases the warming up effect of the atmosphere by CO2-emission. Thus the rational use of energy is a requirement with increasing importance. National programs require a reduction of CO2-emission of 25 to 30% within the next 10 to 15 years. That means also reduction of fossil fuel combustion for greenhouse-heating. Energy for greenhouse heating is required both in summer and winter for intensive production in the nothern part of Europe. In many Mediterranean countries greenhouses are not heated even in cold nights during winter. This can have a considerable effect on quality, yield and cultivation period of the crops. High quality for export needs heated greenhouses. For that reason also in southern regions greenhouses are heated more and more and require a rational use of energy. The rational use of energy means:
Unfortunately the requirement of energy conservation and the use of renewable energies received less attention in the last years in horticultural practice, because of the cheap energy prices. This situation has to be changed. | |
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