ISHS Acta Horticulturae 559: V International Symposium on Protected Cultivation in Mild Winter Climates: Current Trends for Suistainable Technologies
ENERGY SAVING IN GREENHOUSES WITH PLASTIC COVERINGS |
| Authors: | C.E.L. Oliveira, J.L. García, L.M. Navas, M.A. Muñoz, R.M. Benavente, S. De La Plaza |
| Keywords: | Energy saving, plastics, radiant floor, air heating |
| Abstract:
The reduction of the energy consumption for heating is, in many areas, an interesting objective for the production of greenhouses . In this study several techniques of energy saving have been tested using a simple polyethylene cover, in combination with two systems of distribution of the heat: radiant floors and air heaters. The goal was to verify the efficiency of utilization, on the energy saving aspect, of polyethylene film as a double covering or small tunnel. The system that got a significant energy saving was the combination of the radiant floor with polyethylene tunnels; the obtained energy saving was 30% as against the use of radiant floor without the tunnels. It seems advisable then, to use the tunnels with the heating system inside them. | |
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