TABLE 3.
Foliar nutrient composition of P. sylvestris seedlings after 2 years of growth in a nursery with untreated soil and soil amended with pine litter or oak littera
| Treatment | Concn
|
C/N | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C (%) | N (%) | P (%) | K (%) | Ca (%) | Mg (%) | Fe (ppm) | Mn (ppm) | Cu (ppm) | Zn (ppm) | Al (ppm) | ||
| None (control) | 47.3 ± 0.32 a | 1.7 ± 0.08 a | 0.2 ± 0.01 a | 0.7 ± 0.02 b | 0.5 ± 0.01 a | 0.1 ± 0.004 a | 94.7 ± 23.50 a | 75.5 ± 12.01 ab | 5.0 ± 0.40 a | 66.8 ± 0.67 a | 257.2 ± 13.41 a | 27.5 ± 1.00 a |
| Pine litter | 47.5 ± 0.32 a | 1.7 ± 0.05 a | 0.2 ± 0.01 a | 0.8 ± 0.06 ab | 0.3 ± 0.03 c | 0.1 ± 0.01 a | 113.0 ± 12.01 a | 58.1 ± 3.38 b | 5.1 ± 0.45 a | 56.9 ± 3.78 a | 185.2 ± 18.31 ab | 26.1 ± 0.54 a |
| Oak litter | 44.3 ± 0.55 b (0.003) | 1.8 ± 0.10 a (0.873) | 0.2 ± 0.01 a (0.166) | 1.0 ± 0.04 a (0.008) | 0.4 ± 0.01 b (0.003) | 0.1 ± 0.01 a (0.268) | 214.0 ± 48.21 a (0.075) | 97.4 ± 7.36 a (0.044) | 6.3 ± 0.08 a (0.074) | 99.8 ± 20.96 a (0.107) | 169.7 ± 17.67 b (0.021) | 25.7 ± 1.37 a (0.487) |
a
Values are means ± standard errors (n = 9). Within a column, values with different letters are significantly different (P < 0.05; Tukey's test). P values are given in parentheses.