以下为7月份公布的美国玉米供需平衡表 
　                   2016/17年度 2017/18(估计值)     2018/19年度(预测值) 
                                                        6月份       7月份 
                                        百万英亩 
播种面积                    94.0          90.2         88.0*         89.1   
收获面积                    86.7          82.7         80.7*         81.8   
平均单产(蒲式耳/英亩)      174.6         176.6        174.0*        174.0 
                                  百万蒲式耳                                                                                                                                         
期初库存                    1737          2293          2102          2027 
产量                       15148         14604         14040         14230 
进口量                        57            40            50            50 
总供应量                   16942         16937         16192         16307 
饲料用量                    5470          5450          5350          5425 
食品、种子及工业用          6885          7060          7165          7105 
燃料酒精用量                5432          5600          5675          5625 
国内总用量                 12355         12510         12515         12530 
出口                        2294          2400          2100          2225 
总消耗量                   14649         14910         14615         14755 
期末库存                    2293          2027          1577          1552 
CCC 库存#                      0               0            0           0 
自由库存                     821            1232         1827        1777 
贷款项下库存                  32              76          230         230 
农场平均价格(美元/蒲)        3.36     3.30-3.50     3.40-4.40     3.30-4.30