以下为3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) 
                                                        2月份       3月份 
                                        百万英亩 
播种面积                    94.0          90.2          89.1          89.1    
收获面积                    86.7          82.7          81.8          81.8    
平均单产(蒲式耳/英亩)      174.6         176.6         178.9         178.9 
                                  百万蒲式耳                                                                                                                                         
期初库存                    1737          2293          2140          2140 
产量                       15148         14604         14626         14626 
进口量                        57            36            50            45 
总供应量                   16942         16934         16816         16811 
饲料用量                    5470          5298          5500          5500 
食品、种子及工业用          6885          7058          7130          7080 
燃料酒精用量                5432          5605          5650          5600 
国内总用量                 12355         12355         12630         12580 
出口                        2294          2438          2450          2450 
总消耗量                   14649         14793         15080         15030 
期末库存                    2293          2140          1736          1781 
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          3.36     3.20-4.00     3.25-3.95