five different stocking densities

Ammonium level	Stocking density (individuals.m^-2)
Ammonium level	30	40	50	60	70
Highest (ppm)	0.089	0.101	0.116	0.123	0.092
Lowest (ppm)	0.044	0.045	0.044	0.042	0.044
Beginning (ppm)	0.044	0.048	0.044	0.042	0.044
End (ppm)	0.063	0.076	0.077	0.063	0.076

Table 3: Ammonium level obtained at five different stocking densities during 60 days culture period.

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