Table 3.
Effect of planting density on leaf nutrient contents (pooled data for 2015–16 to 2019–20).
| Treatments | N (%) | P (%) | K (%) | Cu | Fe | Mn | Zn |
|---|---|---|---|---|---|---|---|
| (%) | (ppm) | ||||||
| Control | 2.39 (30.2a) | 0.090 (17.5b) | 1.64 (23.6d) | 13.7 (18.9a,b) | 129.1 (24.5b) | 68.8 (16.1c) | 20.1 (10.2a) |
| HDP-1 | 2.44 (29.9a) | 0.100 (19.4a) | 1.77 (26.6a) | 14.3 (19.7a) | 116.7 (22.2c) | 76.9 (18.6a) | 15.5 (7.6b) |
| HDP-2 | 2.44 (29.9a) | 0.100 (18.4b) | 1.69 (24.9b,c) | 13.9 (18.2b,c) | 133.5 (25.9a) | 74.9 (17.0b,c) | 20.5 (10.7a) |
| UHDP-1 | 2.40 (28.2b) | 0.100 (19.6a) | 1.79 (25.6b) | 11.9 (16.9c) | 132.2 (24.9a,b) | 75.8 (17.9a,b) | 20.4 (9.7a) |
| UHDP-2 | 2.32 (28.1b) | 0.100 (17.9b) | 1.68 (24.2 c,d) | 12.5 (17.5b,c) | 128.6 (24.6a,b) | 67.2 (15.7c) | 19.0 (9.3a) |
Figures under parenthesis are transformed values.
Means with at least one letter common are not statistically significant using TUKEY's Honest Significant Difference at 5%
Control: Planting at 6 m (row to row) × 6 m (plant to plant) spacing (tree density—277 plants ha−1), HDP-1: Planting at 6 m (row to row) × 3 m (plant to plant) spacing (tree density—555 plants ha−1), HDP-2: Planting at 4 m (row to row) × 4 m (plant to plant) spacing (tree density—625 plants ha−1), UHDP-1: Planting at 4 m (row to row) × 2 m (plant to plant) spacing (tree density—1250 plants ha−1), UHDP-2: Planting at 2 m (row to row) × 2 m (plant to plant) spacing (tree density—2500 plants ha−1).