View Single Post
  #9   Report Post  
Old 20-09-2004, 02:49 PM
Steve Harris
 
Posts: n/a
Default

In article ,
(Franz Heymann) wrote:

My problem is essentially to find out quantitatively how many lamps,
of what power, at what distance from the plants, to use.


Last winter, I couldn't find definitive information either. In the end I
used a single 21W "energy saver" bulb no more than 9" away from some
seedlings and got reasonable results.

Steve Harris - Cheltenham - Real address steve AT netservs DOT com
A useful bit of gardening software at
http://www.netservs.com/garden/