The chart mashup shows China's national real estate development and sales decisively rolling over in 2013 which has in part led to Chinese import data plunging into April 2014. (Charts via Soberlook.com and NBS China)
Gordon G. Chang, a Forbes contributor has been cataloging the drama throughout March and April 2014 (selected quotes):
The extent of China's soil pollution, long guarded as a state secret, was laid out in an official report that confirmed deep-seated fears about contaminated farmland and the viability of the country's food supply. Nearly one-fifth of the country's arable land is polluted, officials said in the report, shedding unexpected light on the scale of the problem—a legacy of China's three decades of breakneck economic growth and industrial expansion.
In April 2013, the discovery of unusually high quantities of cadmium in batches of rice grown in Hunan—the country's top rice-producing region, as well as a top-five producer of nonferrous metals like copper and lead—set off worries about farmland and sent prices for Hunan rice tumbling by as much as 14%. Continue Reading at the Wall Street Journal.