Magdalena Gwasuma ducks carefully into a small, dark cage at the back of her house, where rows of fresh oyster mushrooms sit on wooden shelves. “I didn’t know anything about growing mushrooms at home – we used to get them from the forest,” the 60-year-old told the Thomson Reuters Foundation. “I didn’t know growing mushrooms could be a way of making money.” Gwasuma, who lives near Babati town on the edge of the Nou forest…