Re: [OGD] LEDs and Orchids

Testing The Netherlands for commercial use in flowers/plants of LED is showing: http://www.zibb.nl/tuinbouw/artimg/a20061022203819.PDF (en dutch) (study by Wageningen "ordered " by Philips will continue till may 2009) some details energie saving none: green power 600w/400v 1.9 mircomol/watt (norm

Re: [OGD] LEDs and Orchids

LED's do offer an advantage of light without much heat, which in large applications would be a boon, as many plants can take higher light levels if they are kept cooler.  Additionally, as LEDs emit in specific wavelengths, I suppose it is possible to provide an array that optimizes the overal

[OGD] LEDs and Orchids

Hello All: Has anyone on the list researched how or if ,the coming deluge of LED "light engines",high brightness 1watt to 5watt LED emitter blocks, will effect the growing of orchids under lights? By increasing light out-put per watt. Or reducing heat out-put per lumen. Or more precise c