Table 2.
Effects of fertilization method on microbial biomass and soil enzyme activities.
| Treatments | MBC (mg C kg−1 soil) | MBN (mg N kg−1 soil) | Protease (μg tyrosine g−1 h−1) | Acid phosphatase (μg PNP g−1 h−1) | Alkaline phosphatase (μg PNP g−1 h−1) | Urease (μg urea hydrolyzed g−1 h−1) | Dehydrogenase (μg triphenylformazan g−1 24 h−1) |
|---|---|---|---|---|---|---|---|
| Basal fertilizers | |||||||
| FYM (N1) | 278.4 c | 98.6 b | 86.5 c | 167.4 b | 2987.3 b | 49.6 a | 60.1 b |
| Compost (N2) | 312.6 c | 92.6 b | 94.6 bc | 169.2 b | 3001.4 b | 44.4 b | 62.9 ab |
| Chemical fertilizer (N3) | 196.3 d | 75.2 c | 87.1 c | 158.1 c | 2678.6 c | 28.8 c | 21.2 d |
| FYM + compost (N4) | 409.5 b | 141.2 a | 110.3 a | 226.6 a | 3314.4 a | 49.8 a | 63.8 a |
| FYM + compost + chemical (N5) | 691.2 a | 145.8 a | 96.2 b | 169.2 b | 2879.1 bc | 29.4 c | 53.7 c |
| Control (N6) | 89.3 e | 66.3 d | 73.1 d | 41.8 d | 2658.7 c | 27.9 c | 20.8 d |
Mean values in each column with the same letter(s) are not significantly different using LSD tests at 5% of probability.