Trts | First tomato crop | First rape crop | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Temporal interval (days after planting) | Mean rate of N2O emission (g ha−1 day−1) | Total N emitted for the period (kg ha−1) | Total N applied (kg ha−1) | % emitted N2O of applied N | Temporal interval (days after planting) | Mean rate of N2O emission (g ha−1 day−1) | Total N emitted for the period (kg ha−1) | Total N applied (kg ha−1) | % emitted N2O of applied N | |
T1 | 1–21 | 5.6 | 0.12 | – | – | 1–49 | 6.0 | 0.30 | – | – |
22–49 | 2.4 | 0.07 | – | – | 50–84 | 3.9 | 0.13 | – | – | |
50–63 | 2.7 | 0.04 | – | – | – | – | – | – | – | |
64–98 | 6.0 | 0.21 | – | – | – | – | – | – | – | |
Total | 0.44 | 0 | 0 | – | – | 0.43 | 0 | 0 | ||
T2 | 1–21 | 8.1 | 0.17 | – | 0.08 | 1–49 | 10.1 | 0.50 | – | 0 |
22–49 | 7.1 | 0.19 | – | 0.09 | 50–84 | 5.8 | 0.40 | – | 0 | |
50–63 | 7.0 | 0.09 | – | 0.04 | – | – | – | – | – | |
64–98 | 9.1 | 0.31 | – | 0.15 | – | – | – | – | – | |
Total | – | – | 0.76 | 204 | 0.37 | – | – | 0.90 | 0 | 0 |
T3 | 1–21 | 13.5 | 0.28 | – | 0.07 | 1–49 | 14.1 | 0.70 | – | 0 |
22–49 | 9.0 | 0.24 | – | 0.06 | 50–84 | 10.1 | 0.30 | – | 0 | |
50–63 | 8.0 | 0.10 | – | 0.02 | – | – | – | – | – | |
64–98 | 10.3 | 0.35 | – | 0.09 | – | – | – | – | – | |
Total | – | – | 0.97 | 408 | 0.24 | – | – | 1.00 | 0 | 0 |
Fpr | – | – | * | – | – | – | – | * | – | – |
LSD | – | – | 0.16 | – | – | – | – | 0.23 | – | – |
CV | – | – | 13.40 | – | – | – | – | 12.20 | – | – |
Second tomato crop | Second rape crop | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Trt1 | 1–98 | 3.3 | 0.32 | – | – | 1–35 | 3.0 | 0.12 | – | – |
– | – | – | – | – | – | 36–84 | 4.3 | 0.21 | – | – |
Total | 0.32 | 0 | – | 0.33 | 0 | – | ||||
T2 | 1–98 | 5.2 | 0.51 | – | 0.6 | 1–35 | 5.1 | 0.22 | – | 0 |
– | – | – | – | – | – | 36–84 | 7.4 | 0.43 | – | 0 |
Total | 0.51 | 0 | 0 | 0.65 | 0 | 0 | ||||
T3 | 1–98 | 6.1 | 0.60 | – | 0 | 1–35 | 7.6 | 0.27 | – | 0 |
– | – | – | – | – | – | 36–84 | 10.0 | 0.48 | – | 0 |
Total | – | – | 0.60 | 0 | 0 | – | – | 0.75 | 0 | 0 |
Fpr | – | – | * | – | – | – | – | * | – | – |
LSD | – | – | 0.14 | – | – | – | – | 0.24 | – | – |
CV | – | – | 15.70 | – | – | – | – | 8.80 | – | – |