| Age of Plant | Pounds of actual N/acre annually | Pounds of actual N/acre/week | 10% (N in fertilizer) | 15% (N in fertilizer) | 20% (N in fertilizer) | 25% (N in fertilizer) | 30% (N in fertilizer) | 35% (N in fertilizer) |
|---|---|---|---|---|---|---|---|---|
| 1 year | 10 | .4 | 4 | 2.7 | 2 | 1.6 | 1.4 | 1.2 |
| 2 years | 20 | .8 | 8 | 5.3 | 4 | 3.2 | 2.7 | 2.3 |
| 3 years | 30 | 1.2 | 12 | 8.0 | 6 | 4.8 | 4.0 | 3.4 |
| 4 years | 40 | 1.6 | 16 | 10.7 | 8 | 6.4 | 5.3 | 4.6 |
| 5 years | 50 | 2.0 | 20 | 13.3 | 10 | 8.0 | 6.7 | 5.7 |