Table 4. Yield, N uptake, emission factor (EF) of N2O and nitrogen use efficiency (NUE).
| Treatments | Lint yield (t ha-1) |
Aboveground N uptake (kg ha-1) |
EF of N2O (%) |
NUE (%) |
|---|---|---|---|---|
| Control | 1.91 ± 0.10 b | 236.92 ± 5.02 b | - | - |
| Urea | 2.48 ± 0.19 a | 356.95 ± 12.39 a | 1.05 ± 0.04 B | 53.35 ± 3.28 b |
| Urea+nitrapyrin | 2.58 ± 0.18 a | 369.79 ± 8.68 a | 0.71 ± 0.03 A | 59.05 ± 1.63 a |
Data were means ± SD (n = 3); Different lowercase and uppercase letters in same column mean significant differences at the level of 0.05 and 0.01, respectively according to LSD test.