Table 5. Changes in phosphorous content and yield affected by different concentrations of citric acid solution

Concentration of citric acid solution (%) Phosphorous (ppm) Yields (%)
Control 132.03±0.52a1) 100±0.00a
2 90.81±0.39b 96.87±0.34b
4 71.80±0.13c 97.20±0.45b
6 68.52±0.21d 97.10±0.37b
8 58.02±0.47e 97.21±0.82b
Values are mean±SD (n=3). Means with the different letters in the same column are significantly different (p<0.05).