以下是10月份公布的美国玉米供需平衡表
                   2017/18 2018/19估计值. 2019/20预测值. 2019/20预测值. 
                                          9月            10月           
百万英亩
播种面积           90.2    89.1           90             89.9           
收获面积           82.7    81.7           82             81.8           
蒲式耳
每英亩收获产量     176.6   176.4          168.2          168.4          
百万蒲式耳
期初库存           2293    2140           2445           2114           
产量               14609   14420          13799          13779          
进口量             36      28             50             50             
总供应量           16939   16588          16295          15944          
饲料用量           5304    5618           5175           5300           
食品、种子及工业用 7057    6791           6880           6815           
燃料酒精用量       5605    5376           5450           5400           
国内总用量         12361   12409          12055          12115          
出口量             2438    2065           2050           1900           
总消耗量           14798   14474          14105          14015          
期末库存           2140    2114           2190           1929           
农场平均价格       3.36    3.61           3.6            3.8