farmers grow harvest and pack nearly 400
million mushrooms a year in this small
pennsylvania town here they cultivate
everything from white button and
portobello to specialty mushrooms like
shiitake and lion's mane the mushrooms
eat a strict diet a recycled mulch hay
wheat straw poultry litter and corn cob
mushrooms are grown indoors so that we
can control the environment it all
happens on vertical shelves
workers use this machine to lay the
compost down then comes a layer called
casing with peat moss limestone and
water after 16 days we're ready to
harvest
mushrooms double in size every 24 hours
so pickers have to move quickly each
armed with a knife a cart and tons of
boxes