Comparison of polyphosphate and orthophosphate as fertilizers for fish ponds |
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Authors: | Yont Musig Claude E Boyd |
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Institution: | Department of Fisheries, School of Agriculture, Auburn University, Auburn, AL 36830 U.S.A. |
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Abstract: | Sodium polyphosphate and triple superphosphate were used as sources of polyphosphate and orthophosphate, respectively, at equal P2O5 application rates in sunfish (Lepomis spp.) ponds. Filtrable orthophosphate and total phosphorus concentrations were generally higher in ponds treated with polyphosphate. However, differences between chlorophyll a concentration and net sunfish production did not differ between treatments (P > 0.05). |
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