The Chinese government announced last year a 10-percent ethanol blend mandate effective in 2020. The move brought encouragement to corn and ethanol makers elsewhere in the world since China’s huge corn stocks keep global prices depressed. However, now Wu Tianlong of the quasi-governmental Rural Economy Research Center says corn stocks have fallen so low that there isn’t the corn to meet the mandate and so it will be adjusted.   Wu says that state stockpiles of corn have fallen to 56 MMT over the past two years, a 72 percent reduction from the 200 MMT in 2017. However, that does not account for China’s actual total supply and USDA’s research only finds a 7.5 percent reduction in corn carryover stocks. Moreo...