Table 4.

Lower quartile (LQ) and higher quartile (HQ) of nutrient concentrations for nutritionally balanced onion cultivars producing more than 50 ton ha⁻¹.

Nutrient	‘Caeté’		‘Mulata’		‘Omega’		‘SCS373 Valessul’
	LQ value	HQ value	LQ value	HQ value	LQ value	HQ value	LQ value	HQ value
	g kg−1
N	29.4	33.4	35.4	38.7	22.4	29.1	23.1	29.2
P	3.9	4.7	3.4	4.1	3.0	3.7	6.3	7.8
K	23.4	28.3	38.0	44.8	25.9	34.4	26.9	29.6
Ca	9.2	10.8	15.3	21.3	13.5	19.6	6.6	10.6
Mg	3.0	3.7	2.5	3.3	2.5	3.6	2.4	2.9
S	7.0	9.0	2.6	4.2	2.4	3.5	4.0	4.8
B	0.030	0.047	0.024	0.040	0.026	0.036	0.018	0.021
Cu	0.030	0.040	0.010	0.019	0.005	0.014	0.008	0.024
Zn	0.053	0.073	0.027	0.052	0.022	0.047	0.021	0.025
Mn	0.078	0.154	0.069	0.098	0.051	0.079	0.016	0.023
Fe	0.058	0.084	0.013	0.028	0.016	0.032	0.045	0.050