. 2020 Jul 10;11:994. doi: 10.3389/fpls.2020.00994

Table 5.

Mean values for DM at maturity, grain yield (GY), harvest index (HI) in each growing environment, and pooled means for management factors plant density, defoliation, and nitrogen timing.

Factor		Grain yield (t/ha)	DM at maturity (t/ha)	HI
Environment	Lo17	2.6^b	5.7^d	0.46^a
	Lo18	2.2^d	4.8^e	0.47^a
	Te14	2.1^c	7.2^c	0.29^d
	Te15	4.4^a	12.3^a	0.36^c
	Ya17	4.7^a	11.4^b	0.41^b
	Ya18	0.8^e	2.7^f	0.29^d
Plant density	Low	2.7	7.1^a	0.39
	High	2.7	7.4^b	0.38
Defoliation	Control	2.8^a	7.9^a	0.35^b
	Defoliated	2.5^b	6.4^b	0.40^a
Nitrogen timing	Seedbed N	2.7^a	6.9^b	0.40^a
	Deferred N	2.8^b	7.4^a	0.37^b

Letters a–d indicate means are significantly different at the 95% confidence level.