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Fish Pond Fertilization: Comparison of Ecological Conditions under Different Fertilizer Regimes

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Author(s): Abdul Ghaffar | Muhammad Afzal | Muhammad Iqbal

Journal: Journal of Biological Sciences
ISSN 1727-3048

Volume: 2;
Issue: 9;
Start page: 620;
Date: 2002;
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Keywords: Fish pond | fertilization | urea | SSP | ecological conditions

ABSTRACT
The physico-chemistry of two fresh water fish ponds was investigated for a duration of 255 days to see the affect of two different doses of inorganic fertilizers (urea and SSP). Both the ponds were treated with fertilizers at the basis of 0.08 and 0.1 % N of body weight of fish daily. Statistically, ammonia, nitrates and biomass were significant in both the treatments. But, temperature, light penetration, pH, electrical conductivity, dissolved oxygen, total alkalinity and total hardness were non-significant. Environmental changes were observed in the pond ecosystem when fertilized with different doses of inorganic fertilizers.
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