以下是11月份公布的美国玉米供需平衡表
                   2019/20 2020/21估计值. 2021/22预测值. 2021/22预测值. 
                                          10月           11月           
百万英亩
播种面积           89.7    90.7           93.3           93.3           
收获面积           81.3    82.3           85.1           85.1           
蒲式耳
每英亩收获产量     167.5   171.4          176.5          177            
百万蒲式耳
期初库存           2221    1919           1236           1236           
产量               13620   14111          15019          15062          
进口量             42      24             25             25             
总供应量           15883   16055          16280          16323          
饲料用量           5900    5601           5650           5650           
食品、种子及工业用 6286    6465           6630           6680           
燃料酒精用量       4857    5028           5200           5250           
国内总用量         12186   12066          12280          12330          
出口量             1777    2753           2500           2500           
总消耗量           13963   14819          14780          14830          
期末库存           1919    1236           1500           1493           
农场平均价格       3.56    4.53           5.45           5.45