Choosing to cultivate mushrooms outdoors can be less intensive than maintaining an grow room but obviously more dependant on the changing seasons, more suseptable to pests and will take longer to fruit the mushroom from the point of inoculation.
Log Culture
There are a variety applications for innoculated logs depending on the speices.
Log Totem
Mushroom Bed
As usual, it depends on the species, but the simplest is the use of layered woodchip suitable for species such as King Stropharia. Below are some variations on this theme used for other species that work well with horticulture.
Elm Oyster Bed
Wood Blewitt Bed
Polytunnels and Cloches
In order to provide a degree of control over fruiting conditions covered spaces can be used such as utilising polytunels and making cloches. However, this still this limitations with regard to seasonal variations.