Foliar (2005) Foliar 2006 Leaf litter (2006) Remark
Element Normal Low High Normal Low High Normal Low High  
N *     *     *     Slightly high in P. pinnata
P   *     *     *    
K *     *     *      
S *     *     *     Slightly high in A. harpophylla and M. leucadendra
Ca *     *     *     Slightly high in four species
Mg *     *     *      
Na *     *     *     Slightly high in A. mangium foliar (2005)
Cu *     *     *      
Zn *     *     *     Slightly elevated in G. lobocarpum leaf litter
Mn *     *     *      
Fe *     *     *      
B     *     *     *  
Table 7: Overall trends in foliar and leaf litter nutrient concentrations in the phytocapping system (at 2 and 3 years).