Parameter

Year

2018

2017

Diameter (cm)

21.8**

15.2*

Leaf Area Index

0.24*

0.19*

Leaf Area (sq cm)

67.9**

41.0*

Leaf Length (cm)

16.1**

12.4*

Leaf width (cm)

4.2**

3.2*

Plant ground area (sq cm)

383.9**

189.1*