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Table 5 Relative values of nutrients and mass loss in mixed and Eucalyptus spp. litter between the first and last month of observation. N nitrogen, P phosphorus, K potassium, Ca calcium, Mg magnesium, S sulfur, B boron, Zn zinc, Mn manganese, Fe iron, Cu copper

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

Nutrient/mass Mixed (%) Eucalyptus spp. (%)
Mass 44.0 31.1
N 43.9 39.6
P 24.2 35.3
K 92.4 71.5
Ca 19.5 24.6
Mg 42.2 35.0
S 65.4 21.9
B 46.2 45.7
Zn 28.2 39.0
Mn 60.2 27.3
Fe 78.7 66.5
Cu 64.2 59.3