On Mon, 2004-07-26 at 09:51, Ken Koester wrote: > >And I certainly don't see how the calories the plants miss because of the > >overcast can be replaced. > > > > > > > This one I don't understand. The caloric content of plants shouldn't > vary with sunlight. Do you mean > that there will be fewer calories available from plants because there > will fewer plants? Actually, it isn't all that complicated. _Principles of Field Crop Production_ by Martin, Leonard, and Stamp, third edition, page 76 has a very convenient chart showing how plants are effected by various light spectra. Turns out "orange-red" is right up there; you don't lose very much. -- Steven Brust skzb at dreamcafe.com "Preacher, don't the bible have some pretty specific things to say about killing?" "Quite specific. It's rather fuzzier, however, on the subject of kneecaps." -- Firefly