| Clue | Source | Date |
|---|---|---|
| Sorts or classifies agricultural products again (8) | ||
| Changes a D to a C, say | The Washington Post Sunday | 30 Dec 2018 |
| Makes an A an A-plus | Universal | 28 Sep 2018 |
| Makes an A an A-plus | ||
| Changes a B to an A- | ||
| Adjusts for better drainage, perhaps | ||
| Adjusts for better drainage, perhaps |