Natural ponds, although tranquil and visually pleasing, are a whole lot more than panoramic landscape elements. Ponds provide erosion control, oxygenation for marine life and possess their own isolated habitat and ecosystem that supports hundreds of types of wetland plants. Natural ponds typically have a depth of approximately 6 to 7 ft, which allows light to reach and support plant life, including weeds, across its bed and margins. Weeds that typically affect lakes include water hyacinth, bushy pondweed, white water lily and filamentous algae, but all are prone to physical, biological and chemical way of eradication.
Grasp just as much of the weeds’ rhizome or rootstock and pull to eliminate weeds from small natural ponds. Taking away the rhizome or rootstock minimizes regrowth of this grass.
Loosen the pond’s drainage valve and allow 2 to 3 feet of water to drain. Water drawdowns also kill the marginal weeds along the edge of the pond.
Stock the pond with five to 10 grass carp measuring 3 to 6 inches long and enable them to feed on the weeds. Grass carp consume to 3 times their body weight in plant life daily.
Introduce koi fish into the pond to stop root institution and kill weeds. Koi fish kill weeds by churning up the sediment from the pond bed, keeping the bud’s food source in the water in which phytoplankton, even though autotrophs, feed on it.
Spray a food-fish utilize herbicide containing the active ingredients 2,4-D, diquat or glyphosate to filamentous algae floating on the surface of the water along with the weeds extending above the surface of the water.
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