Considering the huge cash crop involved, I'm not surprised it is so
advanced. Reminds me of those adverts you see for the lightbox called thet
phototron II...
The best book I have ever found on home mushroom growing is similar in bias.
This book has excellent sections on how to make an area sterile and all
the necessary equipment, there is a definite slant towards the species they
grow---not plain old _Agaricus_ or _Pleurotus_! More like _Pcilocybe cubensis_
and _Pcilocybe mexicana_!
Barry