华盛顿7月13日消息，美国农业部(USDA)周一公布的每周作物生长报告显示，截至7月12日当周，美国大豆生长优良率为68%，前一周为71%，去年同期为54%。
当周，美国大豆开花率为48%，前一周为31%，去年同期为19%，五年均值为40%。
当周，美国大豆结荚率为11%，前一周为2%，去年同期为3%，五年均值为10%。
| 优良率 | 去年同期 | 五年均值 | 出苗率 | 去年同期 | 五年均值 | 开花率 | 去年同期 | 五年均值 | |
| 2020/5/10 | - | - | - | 7% | 1% | - | - | - | - |
| 2020/5/17 | - | - | - | 18% | 4% | 12% | - | - | - |
| 2020/5/24 | - | - | - | 35% | 9% | 27% | - | - | - |
| 2020/5/31 | 70% | - | - | 52% | 17% | 44% | - | - | - |
| 2020/6/7 | 72% | - | - | 67% | 30% | 61% | - | - | - |
| 2020/6/14 | 72% | - | - | 81% | 49% | 75% | - | - | - |
| 2020/6/21 | 70% | 54% | - | 89% | 66% | 85% | 5% | 1% | 5% |
| 2020/6/28 | 71% | 54% | - | 95% | 80% | 91% | 14% | 2% | 11% |
| 2020/7/5 | 71% | 53% | - | 95% | 100% | 99% | 31% | 8% | 24% |
| 优良率 | 去年同期 | 五年均值 | 开花率 | 去年同期 | 五年均值 | 结荚率 | 去年同期 | 五年均值 | |
| 2020/6/21 | 70% | 54% | - | 5% | 1% | 5% | - | - | - |
| 2020/6/28 | 71% | 54% | - | 14% | 2% | 11% | - | - | - |
| 2020/7/5 | 71% | 53% | - | 31% | 8% | 24% | 2% | 1% | 4% |
| 2020/7/12 | 68% | 54% | - | 48% | 19% | 40% | 11% | 3% | 10% |
