Table 3.

Average values of nitrogen utilization efficiency indicators for years (Y), cultivars (A), and fertilizer (B).

Factors	Levels of Factors	Content of N in the Grain [%]	Uptake N [kg·ha−1]	PFPN [kg Grains·kg Nitrogen Applied]	Use N [%]
Y	2017	1.67 ns	139.16 a	55.18 a	20.03 a
	2018	1.58 ns	105.07 b	44.01 b	17.46 a
	2019	1.82 ns	88.77 b	32.40 c	11.48 b
A	A1	1.62 b	97.19 b	40.23 c	13.09 b
	A2	1.67 ab	108.39 b	43.37 b	12.78 b
	A3	1.78 a	127.42 a	47.99 a	23.10 a
B	B1	1.55 d	90.01 f	39.04 e	-
	B2	1.66 c	103.41 e	41.78 d	8.93 e
	B3	1.70 bc	108.34 de	42.69 cd	12.22 de
	B4	1.71 abc	112.34 cd	44.15 bc	14.88 cd
	B5	1.72 abc	116.86 bc	45.49 ab	17.90 bc
	B6	1.74 ab	121.19 ab	46.65 a	20.79 ab
	B7	1.77 a	124.85 a	47.26 a	23.23 a

Values in columns marked with at least one same letter are not significantly different; ns—not significant.