Biofortification of Spring Barley Grain with Microelements through Sulfur Fertilization

Table 6

Micronutrient uptake of barley grain (g·ha⁻¹).

Year	Control	Type of fertilizer						Mean
		(NH4)2SO4		K2SO4		Wigor S
		Dose of sulphur (kg·ha^−1)
		20	40	20	40	20	40
Uptake of Mn
2010	37.1^a	44.3^b	50.0^cd	46.9^b	51.7^d	44.6^b	43.5^b	45.4
2011	39.2^a	44.9^bc	48.6^d	45.4^bcd	44.6^b	44.4^b	48.4^cd	45.1
2012	43.0^a	53.4^c	60.9^e	51.0^bc	55.3^d	50.2^bc	45.6^a	51.3
Mean	39.6^a	47.5^bc	53.2^d	47.8^d	50.5^cd	46.4^b	45.8^b	47.3
		50.4		49.2		46.1
Uptake of Fe
2010	291.8^a	340.5^b	401.3^d	353.6^bc	354.5^bc	382.7^cd	333.8^b	350.5
2011	239.4^a	258.9^ab	340.7^e	298.3^c	335.4^de	247.0^a	284.5^bc	285.4
2012	229.6^a	288.1^c	322.2^d	226.3^a	262.5^bc	229.6^a	235.2^ab	256.2
Mean	252.6^a	295.8^bc	354.7^d	292.7^bc	317.5^c	286.4^bc	284.5^ab	297.9
		325.3		305.1		285.5
Uptake of Zn
2010	257.3^b	287.5^b	259.9^b	210.2^a	330.5^c	283.2^b	284.9^b	273.4
2011	267.7^a	266.3^a	318.6^cd	285.8^abcd	308.2^bcd	284.9^abc	323.6^d	293.6
2012	261.9^a	253.4^a	305.4^b	319.6^bc	357.3^cd	379.8^d	339.4^bc	316.7
Mean	262.3^a	269.1^a	294.6^ab	271.9^a	332.0^c	316.1^bc	316.0^bc	294.5
		281.9		302.0		316.1
Uptake of Cu
2010	13.0^abc	11.3^a	14.5^c	13.3^abc	14.1^bc	15.1^c	13.5^abc	13.5
2011	21.6^a	22.4^ab	24.1^b	23.4^ab	23.2^ab	24.2^b	23.9^b	23.3
2012	20.3^a	23.6^b	29.0^c	20.1^a	22.0^ab	21.1^a	21.2^a	22.5
Mean	18.3^a	19.1^a	22.5^b	18.9^a	19.8^a	20.1^a	19.5^a	19.8
		20.8		19.4		19.8