2.2.6 Harvesting of Guano from aquatic fed wild birds
The wetlands fresh water will enable produce fish. In the system of
production and consumption of such aquatic system there will be some
wastage. The waste fingerlings and fish that get reared in waste water
of wetlands, get eaten by the wild birds such as heron (Fig 4). The
aquatic birds will produce Guano, highly rich in organic nitrogen (N)
and phosphorus (P).