Changes in Phosphate fractions in prawn aquaculture systems at different stages of cropping

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dc.contributor.authorAshraf, M.P.
dc.contributor.authorPillai, A.G.G.
dc.date.accessioned2013-08-22T06:01:12Z
dc.date.available2013-08-22T06:01:12Z
dc.date.issued2003
dc.description.abstractStudies were conducted to evaluate the flux of phosphate fractions in prawn aquaculture systems in one cropping season and its relation with water and sediment characteristics. The results from the samples of two scientific and one natural culture ponds revealed that there was no loosely bound P in all the three stages of cropping. Al bound P increased significantly at the harvest stage compared to initial stage. This was attributed mainly to readsorption of P on aluminium hydroxides. The utilisation of iron bound P was in the late juvenile stage and that of Ca bound P at the harvest stage. The inorganic P increased from juvenile to late juvenile stage and at harvest it recorded 22.5-36.7% decrease than the late juvenile stage. In the natural pond total P was reduced due to mineralisation of P. 50% of the organic bound P was mineralised in natural pond during initial to late juvenile stage whereas, organic P has only minor role in scientific systems.en_US
dc.identifier.citationIndian Journal of Fisheries 2003:50(2), 157-166en_US
dc.identifier.urihttp://hdl.handle.net/123456789/476
dc.language.isoenen_US
dc.publisherICARen_US
dc.subjectPrawn cultureen_US
dc.subjectphosphatesen_US
dc.subjectpondsen_US
dc.subjectsoilsen_US
dc.subjectbrackishen_US
dc.titleChanges in Phosphate fractions in prawn aquaculture systems at different stages of croppingen_US
dc.typeArticleen_US
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