Gravel colour affecting germination rate?

Jai YU jai1 at PRIMUS.COM.AU
Mon May 13 15:20:55 CEST 2002


Hi Paul

Could it be that black gravel absorbs more light (heat) hence changes the
heat dissipation characteristics of the pot especially at the top. I'm not
sure how this will affect or indeed does anything to germination but it
could be a factor.

Jai



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