Farmers converse and laugh while gathering mushrooms in the greenhouses of the mushroom professional cooperative in Xijinglin village, Shangdian town, Linqing, a county-level city in Liaocheng, Shandong province. "Xijinglin village built new mushroom greenhouses this year and mushroom planting has become an approved way to create wealth. An aerial view of mushroom greenhouses in Shangdian town, Linqing, Shandong province In …