以下是7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. 
                                          6月            7月            
百万英亩
播种面积           90.2    89.1           89.8 *         91.7 *         
收获面积           82.7    81.7           82.4 *         83.6 *         
蒲式耳
每英亩收获产量     176.6   176.4          166.0 *        166.0 *        
百万蒲式耳
期初库存           2293    2140           2195           2340           
产量               14609   14420          13680          13875          
进口量             36      35             50             50             
总供应量           16939   16595          15925          16265          
饲料用量           5304    5275           5150           5175           
食品、种子及工业用 7057    6880           6950           6930           
燃料酒精用量       5605    5450           5500           5500           
国内总用量         12361   12155          12100          12105          
出口量             2438    2100           2150           2150           
总消耗量           14798   14255          14250          14255          
期末库存           2140    2340           1675           2010           
农场平均价格       3.36    3.6            3.8            3.7