Table 3

Nutrient of the three soil types

Soil types
pH
Organic (%)
Available Nitrogen(mg/kg)

leached cinnamon soil
6.9
3.73
98.63
cinnamon soil
7.28
5.47
106.50
brown soil
6.62
3.00
75.00

(Data source: Lingrao MENG, 2002)

Wu et al. BMC Public Health 2004 4:23   doi:10.1186/1471-2458-4-23