Fertilization is done to improve the quality of fish growth. In the United States, fertilization has been used extensively since 1925 as a means for increasing pond productivity.
Applying proper pond fertilizer to a lake has the same effect as fertilizing your garden, it increases production. Research has proven that pounds of fish produced may be increased 300 percent or more by proper fertilization. How does this happen? Pond fertilizer increases the small green algae called phytoplankton. Phytoplankton is eaten by tiny insects called
When NOT to Fertilize:
• If your pond has
• If your pond has extensive areas with a 2 foot depth.
• If your pond has a history of pond weed problems.
• If your pond is acidic.
• If your pond is constantly muddy; phytoplankton requires sunlight for growth.
There are several types of pond fertilizers, granular, liquid and a new concentrated
Most ponds require applications every month from March through October. Begin application when water temperature reaches 65°F, continue until
• Failure to maintain adequate bloom. Infrequent fertilization can increase pond weed problems.
• Waiting too late in the spring to begin. Once rooted pond weeds become established, fertilization will only worsen the pond weed problem.
• Failure to check the total hardness. Lack of lime will reduce the development of adequate bloom and encourage pond weed growth.
Improper or infrequent fertilization procedures can cause major pond weed problems and oxygen depletion. A
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