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Table 6. Averages (of three replicates ± standard errors) of total nitrogen percentages found in soil samples collected before stocking (BS) and after harvest (AH) at different depths (cm) in each treatment: low density (LD), high density (HD), and high density with recycling (HDR). Data reported for the HDR treatment represent only the culture pond. The R (treatment column) represents the oxidation pond only of the HDR treatment. No significant differences were found within treatments or within layers on a treatment.
Table 6

* R ponds were not included in the statistical model.