http://www.innogrow.com/en/1_00geslotenkas.html http://www.agf.nl/nieuwsbericht_detail.asp?id=28141
they estimate some 700 hectare will be build in 5 years as closed and semi closed systems. [EMAIL PROTECTED] escribió: > "greenhouse of 1.5 ha... constructed in Holland... does not consume gas or > electricity in winter... > heated by means of energy accumulated in summer period in watery sand > layers on the depth 80-100 meters. Warm water is delivered by means of > special pumps for the heating of the greenhouse in cold season. The > temperature of the pumped water reaches 50 degrees. > > In summer... the greenhouse is cooled by cold water in line with the > pull-in principle." > > URL : http://www.lol.org.ua/eng/showart.php?id=53005 > > If you know of other examples where the same technology is applied, in > Europe or elsewhere, please provide links or references. > > Thanks in advance, > > Viateur > > > _______________________________________________ > the OrchidGuide Digest (OGD) > [email protected] > http://orchidguide.com/mailman/listinfo/orchids_orchidguide.com > > _______________________________________________ the OrchidGuide Digest (OGD) [email protected] http://orchidguide.com/mailman/listinfo/orchids_orchidguide.com

