Treatments | NH4-N (µg/g) | NO3-N (NO2 + NO3) (µg/g) | ||||||||
| 0 | 30 | 60 | 90 | 120 | 0 | 30 | 60 | 90 | 120 |
NPK | 62 | 370 | 191 | 86 | 17 | 47 | 36 | 18 | 8 | 2.4 |
Chr | 43 | 331 | 157 | 53 | 5 | 36 | 28 | 11 | 4 | 1.2 |
Chr+ NPK | 54 | 363 | 173 | 71 | 11 | 42 | 32 | 15 | 5 | 1.5 |
Nm | 40 | 326 | 154 | 54 | 6 | 34 | 26 | 10 | 4 | 1.3 |
Nm + NPK | 52 | 347 | 168 | 63 | 10 | 41 | 33 | 13 | 5 | 1.6 |
Pak | 37 | 322 | 152 | 48 | 5 | 35 | 25 | 9 | 3.4 | 1.1 |
Pak+ NPK | 50 | 341 | 164 | 62 | 9 | 40 | 30 | 12 | 4 | 1.5 |
Cow dung | 35 | 328 | 147 | 50 | 6 | 30 | 22 | 8 | 3.2 | 1.2 |
CwD + NPK | 48 | 350 | 160 | 61 | 10 | 38 | 28 | 13 | 4 | 1.5 |
Ptr | 37 | 334 | 148 | 54 | 7 | 35 | 25 | 8 | 3.1 | 1.0 |
Ptr + NPK | 52 | 358 | 163 | 68 | 12 | 40 | 33 | 14 | 5 | 2.0 |
Melon shell | 42 | 329 | 152 | 51 | 8 | 31 | 28 | 12 | 5 | 1.5 |
Mel + NPK | 54 | 344 | 171 | 61 | 12 | 44 | 32 | 15 | 6 | 1.8 |
Control | 31 | 293 | 130 | 47 | 4 | 31 | 22 | 6 | 2.4 | 0.8 |
SE (27 df) | 3.4 | 5.7 | 6.2 | 5.2 | 1.8 | 3.4 | 2.2 | 1.7 | 0.9 | 0.3 |
LSD (0.05) | 4.66 | 7.8 | 8.5 | 7.2 | 2.5 | 4.7 | 3.1 | 2.3 | 1.3 | 0.4 |