Table 1. Macronutrient concentrations in shoots and roots of rice plants treated with Ce for 28 d.

Ce (μM)	Nutrient concentration (g kg-1 DBW)
	N	P	K	Ca	Mg
	Shoots
0	22.93 ± 4.93 a	6.88 ± 0.39 a	27.25 ± 1.5 a	1.75 ± 0.15 a	4.08 ± 0.24 a
25	27.68 ± 0.62 a	6.60 ± 0.37 a	28.24 ± 1.2 a	1.83 ± 0.05 a	4.03 ± 0.20 a
50	27.23 ± 1.73 a	6.08 ± 0.60 a	25.78 ± 1.0 a	1.65 ± 0.11 a	3.93 ± 0.29 a
100	28.88 ± 1.16 a	5.73 ± 0.25 a	26.38 ± 2.3 a	1.63 ± 0.05 a	4.05 ± 0.22 a
	Roots
0	11.38 ± 0.61 a	2.29 ± 0.24 b	22.92 ± 1.53 a	1.18 ± 0.03 a	1.58 ± 0.07 b
25	11.11 ± 0.58 a	2.40 ± 0.09 ab	24.39 ± 1.00 a	0.91 ± 0.01 bc	1.64 ± 0.03 ab
50	14.11 ± 1.22 a	2.86± 0.16 a	26.15 ± 2.07 a	1.11 ± 0.13 ab	2.14 ± 0.33 a
100	14.18 ± 1.5 a	2.53 ± 0.09 ab	25.35 ± 0.36 a	0.87 ± 0.02 c	1.69 ± 0.02 ab

Cerium was supplied into the nutrient solution as CeCl₃ 7H₂O. Means ± SD with different letters in each column per organ indicate statistical differences among treatments (Duncan, P ≤ 0.05). DBW: Dry Biomass Weight.