以下是9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. 
                                          8月            9月            
百万英亩
播种面积           89.7    90.8           92.7           93.3           
收获面积           81.3    82.5           84.5           85.1           
蒲式耳
每英亩收获产量     167.5   172            174.6          176.3          
百万蒲式耳
期初库存           2221    1919           1117           1187           
产量               13620   14182          14750          14996          
进口量             42      25             25             25             
总供应量           15883   16127          15892          16208          
饲料用量           5900    5725           5625           5700           
食品、种子及工业用 6286    6470           6625           6625           
燃料酒精用量       4857    5035           5200           5200           
国内总用量         12186   12195          12250          12325          
出口量             1777    2745           2400           2475           
总消耗量           13963   14940          14650          14800          
期末库存           1919    1187           1242           1408           
农场平均价格       3.56    4.45           5.75           5.45