Table 1.
Leaf N content due to different doses of fertilizer n application in rice and maize. Means followed by SE of means. Mean values followed by at least one lowercase letter are not significantly different at p < 0.05 by Tukey's HSD test. DAT: Days after transplanting; DAS: Days after sowing.
| Treatments |
Leaf N content (%) |
|||
|---|---|---|---|---|
| Rice | ||||
| 27 DAT | 39 DAT | 49 DAT | 59 DAT | |
| N0a | 2.31ab ± 0.07 | 1.53e ± 0.10 | 1.10c ± 0.03 | 1.36c ± 0.04 |
| N40 | 2.33ab ± 0.05 | 1.79de ± 0.05 | 1.40b ± 0.11 | 1.48bc ± 0.01 |
| N80 | 2.45a ± 0.03 | 2.29bc ± 0.09 | 1.46b ± 0.06 | 1.52bc ± 0.09 |
| N120 | 2.47a ± 0.08 | 2.10cd ± 0.05 | 1.52b ± 0.07 | 1.58abc ± 0.08 |
| N160 | 2.15b ± 0.06 | 2.52ab ± 0.09 | 1.58b ± 0.05 | 1.62abc ± 0.08 |
| N200 | 2.47a ± 0.04 | 2.66a ± 0.06 | 1.90a ± 0.04 | 1.68ab ± 0.05 |
| N240 | 2.33ab ± 0.06 | 2.77a ± 0.08 | 1.89a ± 0.05 | 1.84a ± 0.06 |
| Mean | 2.36 | 2.23 | 1.55 | 1.58 |
| Maize | ||||
|
55 DAS |
63 DAS |
73 DAS |
82 DAS |
|
| N0 | 2.72b ± 0.25 | 2.28c ± 0.22 | 1.36c ± 0.07 | 2.12c ± 0.04 |
| N40 | 2.59b ± 0.14 | 3.03b ± 0.23 | 1.65c ± 0.03 | 2.12c ± 0.04 |
| N80 | 3.73a ± 0.14 | 3.55ab ± 0.08 | 2.48b ± 0.16 | 2.85b ± 0.09 |
| N120 | 4.05a ± 0.10 | 3.59ab ± 0.11 | 2.82b ± 0.18 | 3.02b ± 0.08 |
| N160 | 3.81a ± 0.10 | 3.83a ± 0.08 | 2.91ab ± 0.11 | 3.20ab ± 0.05 |
| N200 | 4.05a ± 0.05 | 3.61ab ± 0.10 | 2.96ab ± 0.08 | 3.31ab ± 0.12 |
| N240 | 4.25a ± 0.13 | 4.18a ± 0.24 | 3.41a ± 0.14 | 3.59a ± 0.24 |
| Mean | 3.60 | 3.44 | 2.51 | 2.89 |
a
The number after N indicates kg of fertilizer N applied per ha. DAT: Days after transplanting; DAS: Days after sowing.