In article
,
Wildbilly wrote:

In article ,
"Bob F" wrote:

Wildbilly wrote:

Use a layer of rocks on the floor to hold heat from the daytime sun.
This isn't rocket science.

That being the case then water would be the heat sink of choice
because nothing holds heat better than water.

Nothing? Really?

LOL!

Picky are we? OK, one thing is better at holding heat, ammonia.

A search for R-values via

http://en.wikipedia.org/wiki/R-value_(insulation)

Seems related.

Bill who noticed that a wet hand is very much colder than a dry one.

--
Garden in shade zone 5 S Jersey USA

http://www.brasschecktv.com/page/757.html What is Global Dimming??
Less light more shade world wide food implications