But while the food security policy remains in name, strong domestic food demand and the declining power of government to tell farmers what to do are unravelling it in practice.

• 为遵循这一政策，只要出现供应下降和城市食品价格上涨，中国政府就出台激励政策，将那些希望退出低利润粮食生产活动的农民们，实际上又推回到粮食生产上。