Metal | Dry Season | Wet Season |
As | NSM > SFB > NPS > NFB | NSM > SFB > NPS > NFB |
Cd | NPS > NSM > SFB > NPS | NFB > NPS > NSM > SFB |
Zn | SFB > NPS > NSM > NFB | NFB > NPS > NSM > SFB |