Related tags:
- environment
- habitat
- sri lanka
- cultivation
- irrigation
- saline
- wetlands
- wetland
- ricefield
- paddy field
- suriname
- nakhon nayok
- backwaters
- paddyfield
- cultivated land
- biogas
- mangrove forest
- water reservoir
- nature environment
- waste water treatment
- rio negro
- waterpower
- alappuzha
- kumbalam kayal
- kumbalam
- ashtamudi lake
- ashtamudilake
- tatai river
- lake koggala
