Table 1. The changes of SLA (specific leaf area) and surface area (cm²) by shading treatment

Item	Treatment	Leaf position			Ave.
		1st	2nd	4th
SLA	Control	120.7±17.5 (100)	142.6±30.7 (100)	176.8±17.7 (100)	137.4±22.8 (100)
	Shading	194.2±12.1 (160.9)	198.6±15.2 (139.9)	170.7±19.2 (96.5)	187.8±15.5 (136.9)
Surface area	Control	19.7±12.1 (100)	28.2±5.8 (100)	23.9±3.6 (100)	23.6±4.1 (100)
	Shading	37.7±7.2 (191.4)	42.6±4.0 (151.1)	30.2±7.6 (126.4)	36.8±6.3 (155.9)