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Table 4 Nutritional values of leaves in the canopy and litter. N nitrogen (g kg-1), P phosphorus (g kg-1), K potassium (g kg-1), Ca calcium (g kg-1), Mg magnesium (g kg-1), S sulfur (g kg-1), B boron (mg kg-1), Zn zinc (mg kg-1), Mn manganese (mg kg-1), Fe iron (mg kg-1), Cu copper (mg kg-1)

From: Ecological implications of twentieth century reforestation programs for the urban forests of São Paulo, Brazil: a study based on litterfall and nutrient cycling

Nutrients Canopy Litter
Mixed Eucalyptus spp. Mixed Eucalyptus spp.
N 12.9 ±0.11 11.6 ±0.65 9.80 ±0.70 8.94 ±0.70
P 1.36 ±0.13 0.72 ±0.04 0.66 ±0.09 0.34 ±0.11
K 10.6 ±0.95 7.82 ±0.16 10.2 ±0.88 5.26 ±0.67
Ca 28.1 ±2.21 15.1 ±1.26 41.4 ±3.24 13.2 ±1.82
Mg 3.66 ±0.42 2.16 ±0.11 3.22 ±0.31 1.60 ±0.23
S 2.92 ±0.18 0.98 ±0.04 3.06 ±0.15 0.64 ±0.05
B 24.1 ±1.43 23.5 ±1.33 20.7 ±0.95 18.7 ±1.68
Zn 86.8 ±24.6 22.5 ±2.04 70.4 ±18.8 22.4 ±1.39
Mn 98.4 ±21.1 1022.0 ±69.1 77.7 ±19.8 700.8 ±81.3
Fe 115.1±14.0 145.4 ±41.5 113.6 ±10.1 102.3 ±11.8
Cu 5.84 ±0.56 7.62 ±0.70 4.10 ±0.49 4.46 ±0.33