China has just over 18 percent of the world’s population, but its food imports and consumption share of world food supplies varies greatly. Soybeans are a well-known story. The Middle Kingdom consumes 30 percent of the world’s soybeans and, to its chagrin, it imports 62 percent of the global trade in the oilseed. It is also an outsized consumer of other food products but is not currently as import dependent in them as it is in soybeans.  However, food exporters elsewhere in the world might see similar opportunities as soybeans, particularly as Chinese consumers become wealthier. It is a large consumer and importer of cotton but higher value products like meat and seafood might be better targets. Again, this is based on lim...