| US 7,475,512 B2 | ||
| Method, greenhouse and an installation for illuminating plants | ||
| Teunis Cornelis Van Den Dool, Monster (Netherlands) | ||
| Assigned to Hortilux Schreder B.V., Monster (Netherlands) | ||
| Filed on Jul. 26, 2005, as Appl. No. 11/189,335. | ||
| Claims priority of application No. 1026725 (NL), filed on Jul. 26, 2004. | ||
| Prior Publication US 2006/0032115 A1, Feb. 16, 2006 | ||
| Int. Cl. A01G 9/00 (2006.01) | ||
| U.S. Cl. 47—17 | 11 Claims |
| 1. A method for illuminating and heating plants in a greenhouse, the method comprising:
(a) illuminating the plants with one or more lamps positioned above the plants;
(b) moving the one or more lamps upwardly as the plants grow to maintain the height between the one or more lamps and the
tips of the growing plants between 80 cm and 240 cm;
(c) heating the greenhouse with a heat source supplemental to the one or more lamps; and
(d) moving the supplemental heating tube and the one or more lamps upwardly as the plants grow using lifting gear;
wherein the lamp and the heating tube are fixed to a support section that is coupled to the lifting gear.
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