Table 1. The significance of differences between irrigated and rainfed trials using average data in nine traits based on a two-tailed t-test.

No.	Traits	Rainfed (average)	Irrigated (average)	Significance (P-value)
1	Heading date (HD, days)	48.5 ± 0.14	48.1 ± 0.15	0.00260
2	Seed maturation date (SMD, days)	49.3 ± 0.09	46.9 ± 0.10	1.97E−45
3	Plant height (PH, cm )	61.6 ± 0.39	73.6 ± 0.44	4.4E−52
4	Peduncle length (PL, cm)	28.8 ± 0.25	32.7 ± 0.30	1.24E−19
5	Spike length (SL, cm)	9.05 ± 0.05	8.59 ± 0.05	8.18E−17
6	Number of productive spikes (NPS, pcs)	1.92 ± 0.03	2.02 ± 0.03	0.01322
7	Number of kernels per spike (NKS, pcs)	34.9 ± 0.28	33.6 ± 0.24	1.97E−06
8	Thousand kernel weight (TKW, g)	35.68 ± 0.19	37.4 ± 0.18	6.3E−14
9	Yield per square meter (YM2, g/m2)	332.3 ± 5.68	352.3 ± 4.30	0.00592