China's small farms are fading. The world may benefit.
Zheng Nanda worked the fields that surround this village in the northern province of Shanxi for more than four decades, often behind a plow pulled by cows. He is now in his early 70s and too old for such arduous labor. His children long ago left for jobs in the city and have no interest in farming. So Mr. Zheng became an unlikely agent of change. He has rented almost all of his small plot to other farmers, who work it using modern equipment. [node:read-more:link]