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

Table 3

Effects of Si application on net photosynthetic rate (𝑃_𝑛) in leaves of maize.

Growth stages	Photosynthetic rate (𝑃𝑛) (𝜇mo1·m^−2·s^−1)
	T1	T2	T3	T4	T5
Big trumpet stage	23.21±0.61^c	26.33±0.79^b	27.96±0.85^b	29.16±0.55^a	29.37±0.37^a
Silking stage	38.36±0.71^d	42.15±0.92^c	45.06±0.80^b	47.83±0.77^a	47.92±0.56^a
Grain filling stage	28.13±0.52^d	31.79±0.36^c	34.65±0.43^b	38.68±0.51^a	38.56±0.62^a
Milk stage	11.36±0.39^d	14.82±0.26^c	19.63±0.41^b	21.60±0.32^a	21.26±0.28^a

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