Table 11.
Effects of crop management practices and fertilizer N levels on panicle components of rice.
| Parameter |
Panicle weight (g) |
panicle length (cm) |
Number of panicle hill−1 |
Number of panicle m−2 |
Spikelet panicle−1 |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Season | WS | DS | WS | DS | WS | DS | WS | DS | WS | DS |
|
Crop management practices (CMP) | ||||||||||
| SRI | 4.5 | 3.9 | 22.8 | 23.1 | 14.5 | 14.1 | 232.2 | 226.0 | 146.1 | 153.6 |
| CP | 3.5 | 2.2 | 22.0 | 20.3 | 9.1 | 11.0 | 228.1 | 274.2 | 113.5 | 86.9 |
| LSD (0.05) | 0.55 | 1.17 | NS | NS | 1.005 | NS | NS | NS | 18.7 | 17.92 |
| F Pr. |
0.001 |
0.023 |
0.069 |
0.076 |
<.001 |
0.056 |
0.671 |
0.118 |
0.002 |
0.004 |
|
Nitrogen levels (N) | ||||||||||
| ABC | 3.3a | 2.7a | 20.7a | 20.4 | 8.7a | 8.7a | 175.1a | 180.8a | 118.5 | 103.0a |
| 0 N | 3.6a | 2.7a | 21.3ab | 20.8 | 8.8a | 9.9a | 174.3a | 189.3a | 119.7 | 100.0a |
| 60 N | 3.7a | 3.3ab | 22.3ab | 22.7 | 12.7b | 13.5b | 246.3b | 263.0b | 123.0 | 138.1b |
| 90 N | 4.3ab | 3.6b | 22.7bc | 22.8 | 13.2b | 14.6b | 250.2b | 285.0b | 136.4 | 143.3b |
| 120 N | 4.8b | 2.8a | 24.4c | 21.1 | 13.6b | 14.4b | 264.8b | 294.1b | 146.3 | 107.5a |
| 150 N | 4.2ab | 3.1ab | 23.0bc | 22.4 | 13.8b | 14.2b | 269.9b | 288.2b | 135.0 | 128.7ab |
| LSD (0.05) | 0.96 | 0.66 | 1.67 | NS | 1.74 | 3.015 | 34.36 | 60.18 | NS | 26.63 |
| F Pr. |
0.044 |
0.041 |
0.003 |
0.052 |
<.001 |
0.001 |
<.001 |
0.001 |
0.434 |
0.008 |
|
Interaction (CMP x N) | ||||||||||
| SRIABC | 3.9 | 3.2 | 20.9 | 21.2 | 9.6abc | 8.3 | 153.6 | 133.3 | 136.1 | 118.9 |
| SRI0 N | 4.1 | 3.5 | 22.2 | 22.4 | 10.3bc | 12.9 | 165.3 | 206.9 | 138.3 | 126.1 |
| SRI60 N | 4.0 | 4.0 | 22.7 | 23.7 | 16.0d | 14.7 | 256 | 267.7 | 142.0 | 168.2 |
| SRI 90 N | 5.0 | 5.1 | 23.5 | 24.9 | 17.7d | 17.6 | 283.7 | 281.6 | 162.8 | 199.1 |
| SRI120 N | 5.5 | 3.6 | 25.1 | 22.4 | 16.5d | 14.5 | 264.5 | 231.5 | 165.3 | 135.5 |
| SRI150 N | 4.3 | 4.1 | 22.8 | 24.1 | 16.9d | 14.7 | 269.9 | 234.7 | 132.2 | 173.6 |
| CPABC | 2.7 | 2.1 | 20.6 | 19.6 | 7.3a | 9.1 | 196.7 | 228.3 | 100.8 | 87.1 |
| CP0 N | 3.1 | 2.0 | 20.4 | 19.2 | 7.9ab | 6.9 | 183.3 | 171.7 | 101.1 | 75.1 |
| CP60 N | 3.4 | 2.6 | 21.9 | 21.6 | 8.7abc | 10.3 | 236.7 | 258.3 | 104.0 | 108.0 |
| CP 90 N | 3.5 | 2.2 | 21.8 | 20.7 | 9.5abc | 11.5 | 216.7 | 288.3 | 109.9 | 87.5 |
| CP120 N | 4.1 | 1.9 | 23.7 | 19.7 | 10.6bc | 12.3 | 265 | 356.7 | 127.2 | 79.6 |
| CP150 N | 4.0 | 2.1 | 23.3 | 20.7 | 10.8c | 13.7 | 270 | 341.7 | 137.7 | 83.7 |
| LSD (0.05) | NS | NS | NS | NS | 2.461 | 4.202 | NS | 86.57 | NS | NS |
| F Pr. | 0.765 | 0.115 | 0.724 | 0.719 | 0.004 | 0.05 | 0.059 | 0.043 | 0.561 | 0.06 |
Mean values followed by different letters denote significant (P < 0.05) difference between treatments by DMRT.
NS: not significant.