以下是9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. 
                                          8月            9月            
百万英亩
播种面积           90.2    89.1           90             90             
收获面积           82.7    81.7           82             82             
蒲式耳
每英亩收获产量     176.6   176.4          169.5          168.2          
百万蒲式耳
期初库存           2293    2140           2360           2445           
产量               14609   14420          13901          13799          
进口量             36      25             50             50             
总供应量           16939   16585          16311          16295          
饲料用量           5304    5275           5175           5175           
食品、种子及工业用 7057    6805           6905           6880           
燃料酒精用量       5605    5375           5475           5450           
国内总用量         12361   12080          12080          12055          
出口量             2438    2060           2050           2050           
总消耗量           14798   14140          14130          14105          
期末库存           2140    2445           2181           2190           
农场平均价格       3.36    3.6            3.6            3.6