TABLE 3.

Soil water extraction (mm) from the jointing to flowering stage and the flowering to maturity for each drip irrigation treatment during 2016–2017 and 2017–2018 growing seasons.

Treatment	Jointing to flowering stage				Flowering to maturity
	0–40-cm	40–80-cm	80–140-cm	0–140-cm	0–40-cm	40–80-cm	80–140-cm	0–140-cm
2016–2017
0.25 ETc	4.37b	19.3a	22.1a	45.8a	−9.90a	18.5a	48.4a	57.0a
0.4 ETc	5.45ab	19.4a	17.3ab	42.1ab	−15.7a	17.3ab	41.0b	42.5b
0.6 ETc	7.12a	20.4a	21.7a	49.2a	−11.3a	13.9ab	34.3bc	36.8bc
0.8 ETc	5.39ab	14.0b	15.1bc	34.5bc	−13.9a	12.3ab	34.0c	33.3bc
1.0 ETc	4.19b	15.0b	10.9c	30.1c	−15.8a	12.7b	22.8d	19.6d
2017–2018
0.25 ETc	6.59a	20.8a	10.0ab	37.3a	−23.5a	−12.9a	8.24a	−28.1a
0.4 ETc	6.63a	21.8a	12.7a	41.2a	−24.6a	−14.4ab	3.63a	−35.4a
0.6 ETc	6.23a	19.7ab	14.1a	40.1a	−25.0a	−22.9bc	−14.0b	−61.9b
0.8 ETc	−0.34b	15.4b	11.8ab	26.8b	−20.6a	−28.4c	−7.25b	−56.2b
1.0 ETc	−1.94b	9.52c	8.34b	15.9c	−23.0a	−18.9abc	−9.08b	−50.9b

Values within a column followed by different lowercase letters are significantly different among different treatments at P < 0.05. The 0.25, 0.4, 0.6, 0.8, and 1.0 ETc represents 25, 40, 60, 80, and 100% crop evapotranspiration, respectively.