Yield and Water Use Efficiency of Potato under Alternate Furrows and Deficit Irrigation

Table 2

Combined analysis of variance of potato tuber yield, yield components and water use efficiency for tuber yield as affected by year, irrigation methods (IMs), and irrigation levels (IAs).

Source of variation	No. of tubers plant^−1	Weight of tubers plant^−1 (g)	Plant height (cm)	Total biomass yield (t ha^−1)	Tuber yield (t ha^−1)	WUE (kg m^−3)
Replication	0.0437	0.705	0.3183	0.6244	0.5327	0.3355
Irrigationmethod (IM)	0.0075	0.0175	0.3363	0.0114	0.0392	<0.0001
Irrigation level (IA)	0.187	0.0251	0.4826	0.058	0.059	<0.0001
IMIA	0.7638	<0.0001	0.0347	0.9545	0.8735	0.2976
YearIMIA	0.1572	<0.0001	0.0155	0.1337	0.3262	0.1257
CV	20.57	22.85	5.29	21.56	26.48	25.49
Mean	9.81	1000.61	59.19	42.08	33.02	173.39
LSD	1.3679	155.18	2.1207	6.1449	5.9228	24.447

Note: WUE is water use efficiency.