The original version of this article, by Keith Schneider, appeared on Circle of Blue.Even along the middle reaches of the Yellow River, which irrigates 402,000 hectares (993,000 acres) of farmland north of the Ningxia Hui Autonomous Region’s provincial capital, there is still no mistaking the smell of dry earth and diesel fuel, the abiding scents … Continue reading China’s Other Looming Choke Point: Food Production