The fertile black soil in northeastern China, which the Chinese grain community relies on, is in an alarming state of  degradation due to over-use. Chinese researchers recently admitted that the area has lost a huge chunk of its productivity.
It is the most important grain commodity base in China, affecting the country’s food security. This grain field is over 107 million acres, which is one-fifth of China’s arable land; the rice production accounts for at least a quarter of China’s total grain crop.
That is, this land affects the food reserves that matter to hundreds of millions of people in China….