Table 2. Effects of different silicon treatments on dry weight of rice organs (%).

Fertilizer	Rate	Leaf	Stem	Grain
Control	Si0	7.72±1.60 b	13.6±4.73 b	4.71±1.52 c
Q	Si1	13.1±2.02 a	20.8±1.11 a	13.7±0.69 b
	Si2	13.7±2.02 a	20.8±1.07 a	13.4±2.37 b
	Si3	13.0±2.27 a	20.2±1.46 a	11.8±1.99 b
H	Si1	12.8±2.71 a	19.4±1.30 b	15.1±2.33 ab
	Si2	11.5±1.08 a	20.2±1.24 a	15.0±1.53 ab
	Si3	12.5±1.15 a	23.7±2.40 a	16.9±2.08 a

Si₀: no Si fertilizer; Si₁: slag fertilizer applied at a rate of 187 mg plant-available Si per kg soil; Si₂: slag fertilizer applied at a rate of 560 mg plant-available Si per kg soil; Si₃: slag fertilizer applied at a rate of 935 mg plant-available Si per kg soil; H: slag fertilizer H, Q: slag fertilizer Q; Data are means ± SD of three replicates; mean values followed by different letters (a, b, c) are significantly different (P≤0.05).