Russia's war in Ukraine has disrupted the global maize market, persuading Xi Jinping that food self-sufficiency is just as important as technological self-sufficiency. (Nikkei montage/Getty images and Yusuke Hinata)
Katsuji Nakazawa is a Tokyo-based senior staff and editorial writer at Nikkei. He spent seven years in China as a correspondent and later as China bureau chief. He was the 2014 recipient of the Vaughn-Ueda International Journalist prize.
"Returning forest to farmland" is a slogan trending on China's internet these days. Video clips of parks and forests being turned into farmland are going viral.