Irrigation or reading date	Water use (mm)				FAO56 ET_o	Crop coefficient k_c
	Furrow		Trickle source		FAO56 ET_o	Furrow		Trickle source
	Traditional	Partial	Point	Line	mm	Traditional	Partial		Point	Line
10-Feb	Applying 56 mm before potato seeding using surface irrigation
21-Feb	Seeding after evaporating 9.6 mm soil water depth				20.34	0.47	0.47		0.47	0.47
11-Mar	22.20	22.20	22.20	22.20	39.70	0.56	0.56		0.56	0.56
24-Mar	22.20	17.34	18.69	20.57	30.60	0.73	0.57		0.61	0.67
4-Apr	20.50	13.18	18.27	20.35	22.17	0.92	0.59		0.82	0.92
11-Apr	23.40	16.12	18.69	20.35	22.30	1.05	0.72		0.84	0.91
17-Apr	24.60	17.04	19.32	21.03	22.70	1.08	0.75		0.85	0.93
23-Apr	24.00	16.43	19.32	21.03	21.80	1.10	0.75		0.89	0.96
29-Apr	24.60	17.04	19.32	21.03	22.10	1.11	0.77		0.87	0.95
5-May	24.60	17.04	19.95	21.72	22.56	1.09	0.76		0.88	0.96
10-May	22.80	15.21	18.90	20.57	19.30	1.18	0.79		0.98	1.07
15-May	24.00	16.73	18.90	20.57	20.70	1.16	0.81		0.91	0.99
20-May	25.20	15.82	18.90	20.57	22.60	1.12	0.70		0.84	0.91
26-May	25.20	17.64	18.90	20.57	25.60	0.98	0.69		0.74	0.80
1-Jun	24.60	15.82	18.90	20.57	25.90	0.95	0.61		0.73	0.79
8-Jun	20.40	17.04	18.90	20.57	30.35	0.67	0.56		0.62	0.68
118 d	328.30	234.63	269.16	291.72	348.4	0.94	0.67		0.77	0.84