Table 2.
Yield contributing characters of maize as affected by sowing methods and NPK levels.
| Treatments | Yield attributes | |||||
|---|---|---|---|---|---|---|
| Cob length (cm) | Cobs plant−1 | Grains cob−1 | Cob diameter (cm) | Number of rows cob−1 | 100-grain weight (g) | |
| 2011 | ||||||
| S1 (flat sowing) | 12.05 | 1.10 | 322.91 | 1.83 | 15.71 | 19.67 |
| S2 (ridge sowing) | 14.40 | 1.10 | 334.97 | 2.15 | 16.09 | 20.45 |
| SE(m) ± | 0.07 | 0.01 | 1.48 | 0.07 | 0.17 | 0.22 |
| CD (p = 0.05) | 0.22 | NS | 4.60 | 0.22 | NS | 0.69 |
| F1 (60 : 40 : 20) | 11.49 | 1.06 | 318.94 | 1.73 | 14.29 | 19.81 |
| F2 (75 : 50 : 30) | 13.96 | 1.12 | 332.94 | 2.09 | 16.31 | 20.66 |
| F3 (90 : 60 : 40) | 14.23 | 1.12 | 334.94 | 2.14 | 17.10 | 20.71 |
| SE(m) ± | 0.10 | 0.01 | 1.84 | 0.09 | 0.25 | 0.27 |
| CD (p = 0.05) | 0.31 | NS | 5.67 | 0.28 | 0.75 | 0.85 |
|
| ||||||
| 2012 | ||||||
| S1 (flat sowing) | 13.97 | 1.10 | 332.00 | 1.99 | 16.13 | 20.30 |
| S2 (ridge sowing) | 16.93 | 1.13 | 340.00 | 2.24 | 16.25 | 21.87 |
| SE(m) ± | 0.22 | 0.01 | 1.36 | 0.03 | 0.15 | 0.25 |
| CD (p = 0.05) | 0.68 | 0.02 | 4.20 | 0.11 | NS | 0.78 |
| F1 (60 : 40 : 20) | 14.49 | 1.08 | 330.40 | 1.84 | 14.88 | 19.83 |
| F2 (75 : 50 : 30) | 15.85 | 1.13 | 336.80 | 2.17 | 16.48 | 21.58 |
| F3 (90 : 60 : 40) | 16.19 | 1.14 | 340.00 | 2.25 | 17.22 | 21.83 |
| SE(m) ± | 0.27 | 0.01 | 1.68 | 0.04 | 0.23 | 0.31 |
| CD (p = 0.05) | 0.84 | 0.02 | 5.18 | 0.13 | 0.67 | 0.97 |
SE(m): standard error of mean, CD: critical difference.