Substrate 0 days 20 days 40 days TP TK TP TK TP TK Control 0.85 ± 0.10* 0.90 ± 0.20* 0.98 ± 0.10 1.70 ± 0.15* 1.25 ± 0.10 1.67 ± 0.20* S1 0.70 ± 0.10 0.42 ± 0.18* 0.88 ± 0.10 0.72 ± 0.10* 1.65 ± 0.10 0.78 ± 0.10* S2 0.67 ± 0.01 0.80 ± 0.15 0.90 ± 0.10 1.57 ± 0.15* 1.70 ± 0.20 1.47 ± 0.25 S3 0.66 ± 0.02 0.77 ± 0.15 0.93 ± 0.20 1.65 ± 0.20 1.71 ± 0.10 1.57 ± 0.15 S4 0.61 ± 0.10* 0.70 ± 0.10 0.67 ± 0.15 1.35 ± 0.10 0.83 ± 0.15 1.46 ± 0.15 S5 0.50 ± 0.02* 0.60 ± 0.10 0.52 ± 0.20 1.10 ± 0.20* 0.65 ± 0.20* 1.17 ± 0.16*

All values are mean (n=3) ± S.D. and given in percentage. *Significant (P<0.001).

Table 5: Percentage of total phosphorus (TP) and total potassium (TK).