以下是4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. 
                                          3月            4月            
百万英亩
播种面积           88.9    89.7           90.8           90.8           
收获面积           81.3    81.3           82.5           82.5           
蒲式耳
每英亩收获产量     176.4   167.5          172            172            
百万蒲式耳
期初库存           2140    2221           1919           1919           
产量               14340   13620          14182          14182          
进口量             28      42             25             25             
总供应量           16509   15883          16127          16127          
饲料用量           5429    5897           5650           5700           
食品、种子及工业用 6793    6287           6375           6400           
燃料酒精用量       5378    4857           4950           4975           
国内总用量         12222   12185          12025          12100          
出口量             2066    1778           2600           2675           
总消耗量           14288   13963          14625          14775          
期末库存           2221    1919           1502           1352           
农场平均价格       3.61    3.56           4.3            4.3