Day 119 | April 29, 2014


J. E. Gibson and son Emory apply fertilizer to two-acre fish pond (1943). Image from Clemson University Special Collections.

Fertilizing Fish Ponds

As in agricultural situations, liming and fertilizing fish ponds will dramatically increase the production of the system. A fertilization schedule can dramatically improve fish production in ponds by up to 300 percent, and fertilization can also decrease aquatic weed problems by shading the pond bottom, so that aquatic weeds do not have an opportunity to grow. A well-managed recreational fish pond that has a good fertilization program can sustain harvests of 125 pounds of fish per acre per year for a number of years.

Related fact sheets:

For additional information, the Clemson Extension Home & Garden Information Center (HGIC) assists homeowners in South Carolina with a source of accurate, dependable and unbiased information via a toll-free number (1-888-656-9988) and a comprehensive web site ( 


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