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