Treatments | Organic carbon (mg/g) | Microbial biomass-C (µg/g) | Microbial biomass-N (µg/g) | Ratio of organic carbon to microbial biomass-C (×103) | ||||||||
| 30 | 60 | 90 | 30 | 60 | 90 | 30 | 60 | 90 | 30 | 60 | 90 |
NPK | 1.24 | 1.64 | 1.62 | 611 | 456 | 372 | 79 | 63 | 50 | 2.03 | 3.60 | 4.35 |
Chr | 1.25 | 1.55 | 1.50 | 423 | 305 | 241 | 71 | 60 | 46 | 2.96 | 5.08 | 6.22 |
Chr+ NPK | 0.83 | 1.12 | 1.06 | 607 | 412 | 358 | 83 | 68 | 52 | 1.37 | 2.72 | 2.96 |
Neem | 1.42 | 1.71 | 1.67 | 653 | 423 | 366 | 84 | 70 | 55 | 2.17 | 4.04 | 4.56 |
Neem + NPK | 1.26 | 1.56 | 1.48 | 515 | 285 | 231 | 70 | 56 | 41 | 2.45 | 5.47 | 4.41 |
Pak | 1.20 | 1.23 | 1.20 | 615 | 405 | 361 | 86 | 72 | 56 | 1.95 | 3.04 | 3.32 |
Pak + NPK | 0.94 | 1.03 | 0.98 | 511 | 296 | 237 | 72 | 58 | 42 | 1.84 | 3.48 | 4.14 |
Cow Dung | 1.06 | 1.30 | 1.16 | 631 | 408 | 417 | 82 | 70 | 54 | 1.68 | 3.19 | 2.78 |
CwD + NPK | 1.21 | 1.28 | 1.24 | 508 | 283 | 234 | 68 | 56 | 38 | 2.38 | 4.52 | 5.30 |
Ptr | 1.27 | 2.51 | 2.07 | 847 | 678 | 293 | 71 | 59 | 44 | 1.50 | 3.70 | 7.06 |
Ptr + NPK | 1.18 | 2.43 | 2.05 | 733 | 471 | 344 | 88 | 75 | 60 | 1.61 | 5.16 | 5.96 |
Melon | 1.44 | 1.75 | 1.70 | 656 | 427 | 369 | 87 | 73 | 57 | 2.19 | 4.10 | 4.61 |
Melon + NPK | 1.26 | 1.56 | 1.48 | 511 | 277 | 226 | 68 | 55 | 48 | 2.47 | 5.63 | 6.55 |
Ctrl | 0.87 | 0.96 | 0.89 | 417 | 372 | 279 | 64 | 52 | 36 | 2.09 | 2.58 | 3.19 |
SE (27 df) | 0.15 | 0.03 | 0.02 | 1.4 | 15.8 | 8.9 | 3.9 | 4.7 | 3.5 | 0.17 | 0.55 | 0.75 |
LSD (0.05) | 0.21 | 0.04 | 0.03 | 1.92 | 21.7 | 12.2 | 5.3 | 6.5 | 4.8 | 0.23 | 0.78 | 1.03 |