Factors | 5 days after heading | 10 days after heading | 15 days after heading | 20 days after heading |
Maximum temperature | 0.652** | 0.626** | 0.583** | 0.642** |
Minimum temperature | 0.361 | 0.491* | 0.528** | 0.675** |
Average temperature | 0.615** | 0.712** | 0.562** | 0.624** |
Daily temperature difference | 0.650** | 0.650** | 0.555** | 0.583** |
Rainfall capacity | −0.511* | −0.458* | −0.356 | −0.566** |
Air humidity | −0.618** | −0.597** | −0.557** | −0.623** |
Solar radiation | 0.132 | 0.066 | 0.154 | 0.175 |