3/29/2019 – Applied 2 cups of 34-0-0 in our double 22 ft row based on
| Stage | Number of Leaves | Amount to Apply per Acre | Total Applied for Season* |
| Pre Plant | 4 | 20 units | 40 |
| Roots Established (2 weeks after planting) | 5 | 20 units | 60 |
| Slow Growth (every 2 weeks) | 6-8 | 20 units every 2 weeks for 3 applications (6 weeks) | 120 |
| Rapid Growth before bulbing | 9-11 | 20 units every 2 weeks for 2 applications (4 weeks) | 160 |
| Bulbing | 12 (100 days after planting) | Quit any additional applications | n/a |
Table 2: Timing of applications of Nitrogen in onions.
*Assuming 20 units of N in soil testing
For home gardeners, the rate of Ammonium Sulfate to apply 20 units per acre is 1 cup per 20′.
Dixondale
Also spread 34-0-0 on the garlic but less than for the onions. Also spread lightly on the multiplying onions.
