Canada: "Even when it is -30° C outside, I can keep the soil at 22° C"
Les Serres Frank Zyromski , producer of 8 to 10 million cuttings per year , have found a way to maintain grunge temperatures and melt off output time – even while temperatures dip as low as -34 ° C. “ We save time with our crop – almost two weeks , ” says Frank Zyromski , proprietor of the Rivière - Rouge , Canada - based nursery . “ We apply a bottom warmth answer that you roll out , primed on the headers and set up the plumbing system ....