AVONDALE — After ringing in the New Year, festivities will continue at the 2020 PA Farm Show, January 4-11 in Harrisburg, at the PA Farm Show Complex, featuring the state’s number-one cash crop, Pennsylvania mushrooms. Delicious, nutritious and highly versatile, mushrooms feature prominently at America’s largest, not-to-be-missed indoor agricultural exhibition. For the 2020 Show, Mushroom...