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Organic Materials as Fertilizers for Fish Ponds
Author(s) -
Smith E. V.,
Swingle H. S.
Publication year - 1943
Publication title -
transactions of the american fisheries society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.696
H-Index - 86
eISSN - 1548-8659
pISSN - 0002-8487
DOI - 10.1577/1548-8659(1942)72[97:omafff]2.0.co;2
Subject(s) - cottonseed meal , cottonseed , fish meal , productivity , biology , algae , fish <actinopterygii> , agronomy , soybean meal , environmental science , fishery , ecology , microbiology and biotechnology , raw material , macroeconomics , economics
The production of fish in ponds can be increased by the use of organic fertilizers such as cottonseed meal and soybean meal, and productivity can be further increased by the addition of superphosphate to these meals. From the standpoint of fish production alone, such organic materials are worthy of consideration as fertilizers for fish ponds. There are certain limitations to the use of both cottonseed meal and soybean meal, alone or in combination with superphosphate, however. In experiments, dense growths of filamentous algae developed in ponds fertilized with the above materials. Excessive amounts of filamentous algae are objectionable in ponds; they interfere with fishing and harbor mosquito larvae and pupae. In addition, although cottonseed meal stains water brown, ponds fertilized with this material are usually too clear for best fishing. Some means must be found for overcoming the objectionable features of organic fertilizers before they can be generally recommended for use in ponds, even though they do increase productivity.