Effects of Silicon on Photosynthetic Characteristics of Maize (Zea mays L.) on Alluvial Soil

Table 5

Effects of silicon on stomatal conductance (𝑔_𝑠) in leaves of maize.

Growth stages	Stomatal conductance (𝑔𝑠) (mol·m^−2·s^−1)
	T1	T2	T3	T4	T5
Big trumpet stage	0.43±0.03^c	0.49±0.02^b	0.50±0.06^b	0.59±0.02^a	0.61±0.03^a
Silking stage	0.72±0.05^c	0.77±0.03^b	0.79±0.02^b	0.88±0.03^a	0.89±0.01^a
Grain filling stage	0.55±0.02^c	0.63±0.02^b	0.66±0.05^b	0.70±0.04^a	0.72±0.02^a
Milk stage	0.22±0.03^c	0.31±0.01^b	0.33±0.03^ab	0.35±0.01^a	0.36±0.03^a

Means (±SD) labeled with different letters within each column are significantly different (𝑃<0.05) by Duncan’s test; 𝑛=10.