Table 5 Effect of fertilizers on the lettuce yield in harvest periods
Treatment groups | Weeks 1–7 (14.6–18 °C) | Weeks 8–15 (10.3–12.1 °C) | Total | |||
|---|---|---|---|---|---|---|
Total yield (g/plant) | Yield rate (%) | Total yield (g/plant) | Yield rate (%) | Yields (g/plant) | Yield rate (%) | |
Control (water only) | 89.9 | 100 | 47.7 | 100 | 137.6 | 100 |
r-Ringer (1/2000) | 120.8 | 134 | 54.5 | 114 | 175 | 127 |
AGH-Ringer (1/2000) | 154.7 | 172 | 61.7 | 129 | 216.4 | 157 |
AGH-Ringer (1/1000) | 136.1 | 151 | 61.4 | 129 | 197.6 | 144 |
AGH-Ringer (1/500) | 156.5 | 174 | 58.2 | 122 | 214.7 | 156 |