Silicon Improves Yield Performance by Enhancement in Physiological Responses, Crop Imagery, and Leaf and Culm Sheath Morphology in New Rice Line, PadiU Putra

Table 3

Photosynthesis rate, stomatal conductance, and relative chlorophyll content from different Si method applications at 55 and 75 DAT in rice plants.

Treatment	Photosynthesis rate (μmol CO2 m^-2 s^-1)		Stomatal conductance (mmol H2O m^-2 s^-1)		Relative chlorophyll content (SPAD value)
	DAT
	55	75	55	75	55	75
Control	8.7b	17.8a	111.0b	314.7a	29.5b	34.6a
Topdressing	11.3a	16.2b	183.0a	269.0a	26.6b	31.2a
Foliar spray	11.0a	15.8b	102.9b	218.5a	32.5a	35.6a
LSD ()	2.03	1.34	12.58	18.16	5.23	3.53
CV	8.69	3.55	4.19	12.89	3.61	4.61

Mean values followed by the same letters within a column are not significantly different at by the LSD test. DAT: days after transplanting; CV: coefficient of variation.