Research Article
Optimization of Controlled Water and Nitrogen Fertigation on Greenhouse Culture of Capsicum annuum
Table 3
Effects of different water and nitrogen levels on fruit quality.
| Irrigation treatment | Nitrogen Treatment | Soluble sugar | Capsaicin | | Nitrate | Soluble solids |
| | | 23.55 | 0.23 | 25.88 | 0.42 | 7.85 | | 26.44 | 0.22 | 29.88 | 0.35 | 7.40 | | 30.56 | 0.22 | 32.94 | 0.31 | 7.60 | | 26.13 | 0.19 | 26.05 | 0.23 | 7.50 |
| | | 27.2 | 0.20 | 27.81 | 0.45 | 7.95 | | 32.34 | 0.21 | 30.31 | 0.35 | 7.55 | | 35.87 | 0.21 | 42.24 | 0.33 | 7.05 | | 27.96 | 0.19 | 25.47 | 0.21 | 7.35 |
| | | 29.51 | 0.21 | 28.45 | 0.67 | 7.25 | | 37.19 | 0.20 | 36.38 | 0.47 | 7.20 | | 39.27 | 0.21 | 46.53 | 0.35 | 7.04 | | 31.13 | 0.17 | 25.39 | 0.25 | 6.80 |
| | | 30.80 | 0.19 | 23.67 | 0.70 | 6.95 | | 40.10 | 0.18 | 26.79 | 0.57 | 7.00 | | 44.67 | 0.16 | 30.55 | 0.40 | 6.85 | | 31.93 | 0.15 | 18.91 | 0.31 | 6.20 |
| Significance level ( value) |
| Irrigation | 57.86 | 15.96 | 24.81 | 26.78 | 27.3 | Nitrogen | 59.77 | 9.12 | 61.32 | 71.81 | 9.1 | Irrigation × nitrogen | 2.53 | 0.8 | 3.67 | 3.27 | 2.09 |
|
|
Significance is indicated as for Table 2. |