Nitrogen rate | Leaf area | Leaf | New stem | Stem | Root | RGR Root | T:R |
---|---|---|---|---|---|---|---|
(mg/l) | (cm2) | Dry weight (g) | (mg/g/day) | (g/g) | |||
25 | 2296 | 12.4 | 3.8 | 12.6 | 27.3 | 13.1 | 1.1 |
75 | 2878 | 13.2 | 5.0 | 13.5 | 25.5 | 12.6 | 1.2 |
150 | 1614 | 9.6 | 2.8 | 10.5 | 14.2 | 8.1 | 1.6 |
LinearZ | * | * | * | * | * | * | * |
Root pruning | Leaf area | Leaf | New stem | Stem | Root | T:R | |
(%) | (cm2) | Dry weight (g) | (g/g) | ||||
0 | 3082 | 15.3 | 5.6 | 13.9 | 32.7 | 1.1 | |
25 | 2612 | 14.5 | 5.0 | 12.8 | 30.5 | 1.1 | |
50 | 2115 | 10.1 | 3.1 | 12.0 | 15.6 | 1.6 | |
75 | 1241 | 7.2 | 1.8 | 10.0 | 10.4 | 1.8 | |
LinearZ | ** | ** | ** | ** | ** | ** | |
Quadratic | NS | NS | NS | NS | NS | NS |
↵Z NS,*,** Nonsignificant or significant at p ≤ 0.05 or p ≤ 0.01, respectively.