South African farmers show off the mushrooms grown with the Juncao technique.Incomes swell with Chinese expertise on growing mushrooms with grass In Papua New Guinea, some farming communities call a type of introduced plant "China grass". It also goes by another name, "prosperity grass"－a moniker given in recognition of the way its cultivation has improved people's lives. The technique to grow the grass, called Juncao in China, was invented by Lin Zhanxi, a professor from Fujian province...