DIEL VARIATION OF pH AND DISSOLVED OXYGEN IN DIFFERENT FERTILZED FISHPONDS BUILT ON ACID SULPHATE SOILS

Husnah Husnah

Abstract


An experiment in order to know the effect of fertilizers on diel variation of pH and
dissolved oxygen (DO) in pondw.ter was carried out for t6 weeks in acid sulphate soil
frcshwater fisiponds at the Research Station For Freshwater Fisheries Kertamulia, South Sumetra, Indonesia

Keywords


Acidity, alkalinity; chickcen manure; dissolved oxygen; inorganic fertilizer



DOI: http://dx.doi.org/10.15578/ifrj.1.1.1995.23-41

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p-ISSN 0853-8980
e-ISSN 2502-6569

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