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...