以下是9月份公布的美国玉米供需平衡表
                   2018/19 2019/20估计值. 2020/21预测值. 2020/21预测值. 
                                          8月            9月            
百万英亩
播种面积           88.9    89.7           92             92             
收获面积           81.3    81.3           84             83.5           
蒲式耳
每英亩收获产量     176.4   167.4          181.8          178.5          
百万蒲式耳
期初库存           2140    2221           2228           2253           
产量               14340   13617          15278          14900          
进口量             28      45             25             25             
总供应量           16509   15883          17531          17178          
饲料用量           5429    5600           5925           5825           
食品、种子及工业用 6793    6265           6625           6525           
燃料酒精用量       5378    4855           5200           5100           
国内总用量         12222   11865          12550          12350          
出口量             2066    1765           2225           2325           
总消耗量           14288   13630          14775          14675          
期末库存           2221    2253           2756           2503           
农场平均价格       3.61    3.6            3.1            3.5