"Kuldioxid" . . . . "Carbon dioxide" . . "Air" . . "Aufsatzsammlung" . . "Udbringningsmetoder" . . "Greenhouses." . . "Serres Enrichissement en gaz carbonique." . . "Hivernacles" . . "Fisiologia vegetal" . . "Greenhouse plants." . . "Economics" . . "Application methods" . . "Photosynthesis" . . "Plantes de serre Physiologie." . . "Klimastyring" . . "Gewächshauspflanzen" . . "Plant physiology" . . "Drivhusafgrøder" . . "Luft" . . "Plants, Effect of carbon dioxide on." . . "Kohlendioxidbegasung" . . "Fotosyntese" . . "Plantefysiologi" . . "Økonomi" . . "Plantes, Effets du gaz carbonique sur les." . . "Greenhouse crops" . . "Environmental control" . . . . . . . . "Carbon dioxide enrichment of greenhouse crops"@en . "Carbon dioxide enrichment of greenhouse crops" . . . . . . . . . . . . . . . . . "Standort, Ökosystem, Kohlendioxid." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .